docs/examples/general-utilities.ipynb

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    "# General Dataset Utilities\n",
    "\n",
    "Authors: [Tom Vo](https://github.com/tomvothecoder/) & [Stephen Po-Chedley](https://github.com/pochedls/)\n",
    "\n",
    "Updated: 03/14/25 [xcdat v0.8.0]\n"
   ]
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   "id": "ef67fe43",
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   "source": [
    "## Overview\n",
    "\n",
    "This notebook demonstrates the use of general utility methods available in `xcdat`, including\n",
    "the reorientation of the longitude axis, centering of time coordinates using time bounds, and\n",
    "adding and getting bounds.\n",
    "\n",
    "The data used in this example can be found in the [xcdat-data repository](https://github.com/pydata/xarray-data).\n"
   ]
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    "### Notebook Kernel Setup\n",
    "\n",
    "Users can [install their own instance of xcdat](../getting-started-guide/installation.rst) and follow these examples using their own environment (e.g., with VS Code, Jupyter, Spyder, iPython) or [enable xcdat with existing JupyterHub instances](../getting-started-guide/getting-started-hpc-jupyter.rst).\n",
    "\n",
    "First, create the conda environment:\n",
    "\n",
    "```bash\n",
    "conda create -n xcdat_notebook -c conda-forge xcdat xesmf matplotlib ipython ipykernel cartopy nc-time-axis gsw-xarray jupyter pooch\n",
    "```\n",
    "\n",
    "Then install the kernel from the `xcdat_notebook` environment using `ipykernel` and name the kernel with the display name (e.g., `xcdat_notebook`):\n",
    "\n",
    "```bash\n",
    "python -m ipykernel install --user --name xcdat_notebook --display-name xcdat_notebook\n",
    "```\n",
    "\n",
    "Then to select the kernel `xcdat_notebook` in Jupyter to use this kernel.\n"
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   "id": "0b4e8461",
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     "text": [
      "/opt/miniconda3/envs/xcdat_notebook/lib/python3.13/site-packages/esmpy/interface/loadESMF.py:94: VersionWarning: ESMF installation version 8.8.0, ESMPy version 8.8.0b0\n",
      "  warnings.warn(\"ESMF installation version {}, ESMPy version {}\".format(\n"
     ]
    }
   ],
   "source": [
    "import xcdat as xc"
   ]
  },
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   "id": "6078eb43",
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   "source": [
    "## Open a dataset\n",
    "\n",
    "Datasets can be opened and read using `open_dataset()` or `open_mfdataset()` (multi-file).\n",
    "\n",
    "Related APIs: [xcdat.open_dataset()](../generated/xcdat.open_dataset.rst) & [xcdat.open_mfdataset()](../generated/xcdat.open_mfdataset.rst)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "53bc0c00",
   "metadata": {},
   "source": [
    "Let's use the example dataset and save it to netCDF (`.nc`), then open it with xCDAT.\n"
   ]
  },
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   "execution_count": 2,
   "id": "e83b0a2b",
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   "source": [
    "ds = xc.tutorial.open_dataset(\"tas_amon_access\")\n",
    "ds.to_netcdf(\"tas_amon_access.nc\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "e027623a",
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       "Attributes: (12/48)\n",
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       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-e7230449-4633-4666-a11b-de55991d8cd3' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-e7230449-4633-4666-a11b-de55991d8cd3' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 60</li><li><span>bnds</span>: 2</li><li><span class='xr-has-index'>lat</span>: 145</li><li><span class='xr-has-index'>lon</span>: 192</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-fce74282-6070-43cc-bbf3-fb4cadd4480a' class='xr-section-summary-in' type='checkbox'  checked><label for='section-fce74282-6070-43cc-bbf3-fb4cadd4480a' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lat</span></div><div class='xr-var-dims'>(lat)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -88.75 -87.5 ... 88.75 90.0</div><input id='attrs-73366966-708a-45a3-b9ec-f96fa6951f67' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-73366966-708a-45a3-b9ec-f96fa6951f67' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-359934b7-1fb7-4dd8-b341-b84be00bad90' class='xr-var-data-in' type='checkbox'><label for='data-359934b7-1fb7-4dd8-b341-b84be00bad90' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lon</span></div><div class='xr-var-dims'>(lon)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 1.875 3.75 ... 356.2 358.1</div><input id='attrs-6a78ab52-149d-4c0c-a9c1-946c7f23ea2d' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6a78ab52-149d-4c0c-a9c1-946c7f23ea2d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-cf4152ee-73ac-43a8-91ae-3d0cad109147' class='xr-var-data-in' type='checkbox'><label for='data-cf4152ee-73ac-43a8-91ae-3d0cad109147' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-ddbdf938-bd1f-4176-8671-a0abd110c9a2' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ddbdf938-bd1f-4176-8671-a0abd110c9a2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-61736669-3b5c-47a2-9d4a-c75b79666521' class='xr-var-data-in' type='checkbox'><label for='data-61736669-3b5c-47a2-9d4a-c75b79666521' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1874-12-...</div><input id='attrs-d369180b-15db-4d3e-9078-3e69b977433d' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-d369180b-15db-4d3e-9078-3e69b977433d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-cd80ca30-972e-470c-a7d3-52d7908104c4' class='xr-var-data-in' type='checkbox'><label for='data-cd80ca30-972e-470c-a7d3-52d7908104c4' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 2, 15, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 12, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-76b982af-a7d8-4ae8-9a69-05c319161448' class='xr-section-summary-in' type='checkbox'  checked><label for='section-76b982af-a7d8-4ae8-9a69-05c319161448' class='xr-section-summary' >Data variables: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>time_bnds</span></div><div class='xr-var-dims'>(time, bnds)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 2), meta=np.ndarray&gt;</div><input id='attrs-ec8ae693-cb01-46dc-8d9b-f9a47da4cd5b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ec8ae693-cb01-46dc-8d9b-f9a47da4cd5b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6bf88465-f927-43f0-a8a6-24e8171dffb1' class='xr-var-data-in' type='checkbox'><label for='data-6bf88465-f927-43f0-a8a6-24e8171dffb1' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_ChunkSizes :</span></dt><dd>[1 2]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 0.94 kiB </td>\n",
       "                        <td> 16 B </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (60, 2) </td>\n",
       "                        <td> (1, 2) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 60 chunks in 3 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> object numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
       "        <svg width=\"82\" height=\"170\" style=\"stroke:rgb(0,0,0);stroke-width:1\" >\n",
       "\n",
       "  <!-- Horizontal lines -->\n",
       "  <line x1=\"0\" y1=\"0\" x2=\"32\" y2=\"0\" style=\"stroke-width:2\" />\n",
       "  <line x1=\"0\" y1=\"6\" x2=\"32\" y2=\"6\" />\n",
       "  <line x1=\"0\" y1=\"12\" x2=\"32\" y2=\"12\" />\n",
       "  <line x1=\"0\" y1=\"18\" x2=\"32\" y2=\"18\" />\n",
       "  <line x1=\"0\" y1=\"24\" x2=\"32\" y2=\"24\" />\n",
       "  <line x1=\"0\" y1=\"30\" x2=\"32\" y2=\"30\" />\n",
       "  <line x1=\"0\" y1=\"36\" x2=\"32\" y2=\"36\" />\n",
       "  <line x1=\"0\" y1=\"44\" x2=\"32\" y2=\"44\" />\n",
       "  <line x1=\"0\" y1=\"50\" x2=\"32\" y2=\"50\" />\n",
       "  <line x1=\"0\" y1=\"56\" x2=\"32\" y2=\"56\" />\n",
       "  <line x1=\"0\" y1=\"62\" x2=\"32\" y2=\"62\" />\n",
       "  <line x1=\"0\" y1=\"68\" x2=\"32\" y2=\"68\" />\n",
       "  <line x1=\"0\" y1=\"74\" x2=\"32\" y2=\"74\" />\n",
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       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>lat_bnds</span></div><div class='xr-var-dims'>(lat, bnds)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(145, 2), meta=np.ndarray&gt;</div><input id='attrs-980ab80b-bb84-40fa-b8b8-74d344087396' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-980ab80b-bb84-40fa-b8b8-74d344087396' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7cd9a002-0f07-430e-abe2-f8836ff27040' class='xr-var-data-in' type='checkbox'><label for='data-7cd9a002-0f07-430e-abe2-f8836ff27040' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_ChunkSizes :</span></dt><dd>[145   2]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 2.27 kiB </td>\n",
       "                        <td> 2.27 kiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (145, 2) </td>\n",
       "                        <td> (145, 2) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 1 chunks in 2 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> float64 numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
       "        <svg width=\"77\" height=\"170\" style=\"stroke:rgb(0,0,0);stroke-width:1\" >\n",
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       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>lon_bnds</span></div><div class='xr-var-dims'>(lon, bnds)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(192, 2), meta=np.ndarray&gt;</div><input id='attrs-298fa70d-5ce0-4615-90af-d7a1e95a25d1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-298fa70d-5ce0-4615-90af-d7a1e95a25d1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4d439977-d9d0-4117-9084-058205f3b233' class='xr-var-data-in' type='checkbox'><label for='data-4d439977-d9d0-4117-9084-058205f3b233' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_ChunkSizes :</span></dt><dd>[192   2]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 3.00 kiB </td>\n",
       "                        <td> 3.00 kiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (192, 2) </td>\n",
       "                        <td> (192, 2) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 1 chunks in 2 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> float64 numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
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       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>tas</span></div><div class='xr-var-dims'>(time, lat, lon)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 145, 192), meta=np.ndarray&gt;</div><input id='attrs-f6c151cc-12ca-433c-aae1-cea85b30eff1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f6c151cc-12ca-433c-aae1-cea85b30eff1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2b5dbefa-529a-42b5-a555-bdb59ba67cea' class='xr-var-data-in' type='checkbox'><label for='data-2b5dbefa-529a-42b5-a555-bdb59ba67cea' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Near-Surface Air Temperature</dd><dt><span>comment :</span></dt><dd>near-surface (usually, 2 meter) air temperature</dd><dt><span>units :</span></dt><dd>K</dd><dt><span>cell_methods :</span></dt><dd>area: time: mean</dd><dt><span>cell_measures :</span></dt><dd>area: areacella</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:10Z altered by CMOR: Treated scalar dimension: &#x27;height&#x27;. 2020-06-05T04:06:10Z altered by CMOR: replaced missing value flag (-1.07374e+09) with standard missing value (1e+20).</dd><dt><span>_ChunkSizes :</span></dt><dd>[  1 145 192]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 6.37 MiB </td>\n",
       "                        <td> 108.75 kiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (60, 145, 192) </td>\n",
       "                        <td> (1, 145, 192) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 60 chunks in 2 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> float32 numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
       "        <svg width=\"205\" height=\"166\" style=\"stroke:rgb(0,0,0);stroke-width:1\" >\n",
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       "  <text x=\"12.846974\" y=\"123.471974\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,12.846974,123.471974)\">60</text>\n",
       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-70e5bd23-ce5e-42c7-b102-4a9b6ebdb80a' class='xr-section-summary-in' type='checkbox'  ><label for='section-70e5bd23-ce5e-42c7-b102-4a9b6ebdb80a' class='xr-section-summary' >Indexes: <span>(3)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lat</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-2d2ac94b-ba16-4f93-8903-df002eab0ef0' class='xr-index-data-in' type='checkbox'/><label for='index-2d2ac94b-ba16-4f93-8903-df002eab0ef0' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([ -90.0, -88.75,  -87.5, -86.25,  -85.0, -83.75,  -82.5, -81.25,  -80.0,\n",
       "       -78.75,\n",
       "       ...\n",
       "        78.75,   80.0,  81.25,   82.5,  83.75,   85.0,  86.25,   87.5,  88.75,\n",
       "         90.0],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lat&#x27;, length=145))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>lon</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-2f4f4e7f-c828-4946-bb0e-b4bfa333c542' class='xr-index-data-in' type='checkbox'/><label for='index-2f4f4e7f-c828-4946-bb0e-b4bfa333c542' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([    0.0,   1.875,    3.75,   5.625,     7.5,   9.375,   11.25,  13.125,\n",
       "          15.0,  16.875,\n",
       "       ...\n",
       "        341.25, 343.125,   345.0, 346.875,  348.75, 350.625,   352.5, 354.375,\n",
       "        356.25, 358.125],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lon&#x27;, length=192))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-e89eef46-f936-4b48-9193-365638df951e' class='xr-index-data-in' type='checkbox'/><label for='index-e89eef46-f936-4b48-9193-365638df951e' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00, 1870-11-16 00:00:00, 1870-12-16 12:00:00,\n",
       "             1871-01-16 12:00:00, 1871-02-15 00:00:00, 1871-03-16 12:00:00,\n",
       "             1871-04-16 00:00:00, 1871-05-16 12:00:00, 1871-06-16 00:00:00,\n",
       "             1871-07-16 12:00:00, 1871-08-16 12:00:00, 1871-09-16 00:00:00,\n",
       "             1871-10-16 12:00:00, 1871-11-16 00:00:00, 1871-12-16 12:00:00,\n",
       "             1872-01-16 12:00:00, 1872-02-15 12:00:00, 1872-03-16 12:00:00,\n",
       "             1872-04-16 00:00:00, 1872-05-16 12:00:00, 1872-06-16 00:00:00,\n",
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       "             1874-04-16 00:00:00, 1874-05-16 12:00:00, 1874-06-16 00:00:00,\n",
       "             1874-07-16 12:00:00, 1874-08-16 12:00:00, 1874-09-16 00:00:00,\n",
       "             1874-10-16 12:00:00, 1874-11-16 00:00:00, 1874-12-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=60,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-a4d4aca6-c20b-4fb7-aa89-28730d1002f7' class='xr-section-summary-in' type='checkbox'  ><label for='section-a4d4aca6-c20b-4fb7-aa89-28730d1002f7' class='xr-section-summary' >Attributes: <span>(48)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.7 CMIP-6.2</dd><dt><span>activity_id :</span></dt><dd>CMIP</dd><dt><span>branch_method :</span></dt><dd>standard</dd><dt><span>branch_time_in_child :</span></dt><dd>0.0</dd><dt><span>branch_time_in_parent :</span></dt><dd>87658.0</dd><dt><span>creation_date :</span></dt><dd>2020-06-05T04:06:11Z</dd><dt><span>data_specs_version :</span></dt><dd>01.00.30</dd><dt><span>experiment :</span></dt><dd>all-forcing simulation of the recent past</dd><dt><span>experiment_id :</span></dt><dd>historical</dd><dt><span>external_variables :</span></dt><dd>areacella</dd><dt><span>forcing_index :</span></dt><dd>1</dd><dt><span>frequency :</span></dt><dd>mon</dd><dt><span>further_info_url :</span></dt><dd>https://furtherinfo.es-doc.org/CMIP6.CSIRO.ACCESS-ESM1-5.historical.none.r10i1p1f1</dd><dt><span>grid :</span></dt><dd>native atmosphere N96 grid (145x192 latxlon)</dd><dt><span>grid_label :</span></dt><dd>gn</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:11Z ; CMOR rewrote data to be consistent with CMIP6, CF-1.7 CMIP-6.2 and CF standards.</dd><dt><span>initialization_index :</span></dt><dd>1</dd><dt><span>institution :</span></dt><dd>Commonwealth Scientific and Industrial Research Organisation, Aspendale, Victoria 3195, Australia</dd><dt><span>institution_id :</span></dt><dd>CSIRO</dd><dt><span>mip_era :</span></dt><dd>CMIP6</dd><dt><span>nominal_resolution :</span></dt><dd>250 km</dd><dt><span>notes :</span></dt><dd>Exp: ESM-historical; Local ID: HI-14; Variable: tas ([&#x27;fld_s03i236&#x27;])</dd><dt><span>parent_activity_id :</span></dt><dd>CMIP</dd><dt><span>parent_experiment_id :</span></dt><dd>piControl</dd><dt><span>parent_mip_era :</span></dt><dd>CMIP6</dd><dt><span>parent_source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>parent_time_units :</span></dt><dd>days since 0101-1-1</dd><dt><span>parent_variant_label :</span></dt><dd>r1i1p1f1</dd><dt><span>physics_index :</span></dt><dd>1</dd><dt><span>product :</span></dt><dd>model-output</dd><dt><span>realization_index :</span></dt><dd>10</dd><dt><span>realm :</span></dt><dd>atmos</dd><dt><span>run_variant :</span></dt><dd>forcing: GHG, Oz, SA, Sl, Vl, BC, OC, (GHG = CO2, N2O, CH4, CFC11, CFC12, CFC113, HCFC22, HFC125, HFC134a)</dd><dt><span>source :</span></dt><dd>ACCESS-ESM1.5 (2019): \n",
       "aerosol: CLASSIC (v1.0)\n",
       "atmos: HadGAM2 (r1.1, N96; 192 x 145 longitude/latitude; 38 levels; top level 39255 m)\n",
       "atmosChem: none\n",
       "land: CABLE2.4\n",
       "landIce: none\n",
       "ocean: ACCESS-OM2 (MOM5, tripolar primarily 1deg; 360 x 300 longitude/latitude; 50 levels; top grid cell 0-10 m)\n",
       "ocnBgchem: WOMBAT (same grid as ocean)\n",
       "seaIce: CICE4.1 (same grid as ocean)</dd><dt><span>source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>source_type :</span></dt><dd>AOGCM</dd><dt><span>sub_experiment :</span></dt><dd>none</dd><dt><span>sub_experiment_id :</span></dt><dd>none</dd><dt><span>table_id :</span></dt><dd>Amon</dd><dt><span>table_info :</span></dt><dd>Creation Date:(30 April 2019) MD5:5bd755e94c2173cb3050a0f3480f60c4</dd><dt><span>title :</span></dt><dd>ACCESS-ESM1-5 output prepared for CMIP6</dd><dt><span>variable_id :</span></dt><dd>tas</dd><dt><span>variant_label :</span></dt><dd>r10i1p1f1</dd><dt><span>version :</span></dt><dd>v20200605</dd><dt><span>license :</span></dt><dd>CMIP6 model data produced by CSIRO is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (https://creativecommons.org/licenses/). Consult https://pcmdi.llnl.gov/CMIP6/TermsOfUse for terms of use governing CMIP6 output, including citation requirements and proper acknowledgment.  Further information about this data, including some limitations, can be found via the further_info_url (recorded as a global attribute in this file). The data producers and data providers make no warranty, either express or implied, including, but not limited to, warranties of merchantability and fitness for a particular purpose. All liabilities arising from the supply of the information (including any liability arising in negligence) are excluded to the fullest extent permitted by law.</dd><dt><span>cmor_version :</span></dt><dd>3.4.0</dd><dt><span>tracking_id :</span></dt><dd>hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f29eb467cd1</dd><dt><span>DODS_EXTRA.Unlimited_Dimension :</span></dt><dd>time</dd></dl></div></li></ul></div></div>"
      ],
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       "<xarray.Dataset> Size: 7MB\n",
       "Dimensions:    (time: 60, bnds: 2, lat: 145, lon: 192)\n",
       "Coordinates:\n",
       "  * lat        (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "  * lon        (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 354.4 356.2 358.1\n",
       "    height     float64 8B ...\n",
       "  * time       (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Data variables:\n",
       "    time_bnds  (time, bnds) object 960B dask.array<chunksize=(1, 2), meta=np.ndarray>\n",
       "    lat_bnds   (lat, bnds) float64 2kB dask.array<chunksize=(145, 2), meta=np.ndarray>\n",
       "    lon_bnds   (lon, bnds) float64 3kB dask.array<chunksize=(192, 2), meta=np.ndarray>\n",
       "    tas        (time, lat, lon) float32 7MB dask.array<chunksize=(1, 145, 192), meta=np.ndarray>\n",
       "Attributes: (12/48)\n",
       "    Conventions:                     CF-1.7 CMIP-6.2\n",
       "    activity_id:                     CMIP\n",
       "    branch_method:                   standard\n",
       "    branch_time_in_child:            0.0\n",
       "    branch_time_in_parent:           87658.0\n",
       "    creation_date:                   2020-06-05T04:06:11Z\n",
       "    ...                              ...\n",
       "    variant_label:                   r10i1p1f1\n",
       "    version:                         v20200605\n",
       "    license:                         CMIP6 model data produced by CSIRO is li...\n",
       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# NOTE: Opening a multi-file dataset will result in data variables to be dask\n",
    "# arrays.\n",
    "ds = xc.open_mfdataset(\"tas_amon_access.nc\")\n",
    "\n",
    "# print dataset\n",
    "ds"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "600415d8",
   "metadata": {},
   "source": [
    "## Reorient the longitude axis\n",
    "\n",
    "Longitude can be represented from 0 to 360 E or as 180 W to 180 E. `xcdat` allows you to convert between these axes systems.\n",
    "\n",
    "- Related API: [xcdat.swap_lon_axis()](../generated/xcdat.swap_lon_axis.rst)\n",
    "- Alternative solution: `xcdat.open_mfdataset(dataset_links, lon_orient=(-180, 180))`\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "9f0e4c8c",
   "metadata": {},
   "outputs": [
    {
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       ".xr-var-name span,\n",
       ".xr-var-data,\n",
       ".xr-index-name div,\n",
       ".xr-index-data,\n",
       ".xr-attrs {\n",
       "  padding-left: 25px !important;\n",
       "}\n",
       "\n",
       ".xr-attrs,\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  grid-column: 1 / -1;\n",
       "}\n",
       "\n",
       "dl.xr-attrs {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  display: grid;\n",
       "  grid-template-columns: 125px auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt,\n",
       ".xr-attrs dd {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  float: left;\n",
       "  padding-right: 10px;\n",
       "  width: auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt {\n",
       "  font-weight: normal;\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-attrs dt:hover span {\n",
       "  display: inline-block;\n",
       "  background: var(--xr-background-color);\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-attrs dd {\n",
       "  grid-column: 2;\n",
       "  white-space: pre-wrap;\n",
       "  word-break: break-all;\n",
       "}\n",
       "\n",
       ".xr-icon-database,\n",
       ".xr-icon-file-text2,\n",
       ".xr-no-icon {\n",
       "  display: inline-block;\n",
       "  vertical-align: middle;\n",
       "  width: 1em;\n",
       "  height: 1.5em !important;\n",
       "  stroke-width: 0;\n",
       "  stroke: currentColor;\n",
       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;lon&#x27; (lon: 192)&gt; Size: 2kB\n",
       "array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])\n",
       "Coordinates:\n",
       "  * lon      (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 352.5 354.4 356.2 358.1\n",
       "    height   float64 8B ...\n",
       "Attributes:\n",
       "    bounds:         lon_bnds\n",
       "    units:          degrees_east\n",
       "    axis:           X\n",
       "    long_name:      Longitude\n",
       "    standard_name:  longitude</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'lon'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>lon</span>: 192</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-65e4bc4e-c37b-4d37-85d1-0030a3d0fef2' class='xr-array-in' type='checkbox' checked><label for='section-65e4bc4e-c37b-4d37-85d1-0030a3d0fef2' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>0.0 1.875 3.75 5.625 7.5 9.375 ... 348.8 350.6 352.5 354.4 356.2 358.1</span></div><div class='xr-array-data'><pre>array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])</pre></div></div></li><li class='xr-section-item'><input id='section-44c55a2f-ce54-443e-8358-d6c69c15b334' class='xr-section-summary-in' type='checkbox'  checked><label for='section-44c55a2f-ce54-443e-8358-d6c69c15b334' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lon</span></div><div class='xr-var-dims'>(lon)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 1.875 3.75 ... 356.2 358.1</div><input id='attrs-20b81971-4fb9-441c-a63a-537dbe2866ac' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-20b81971-4fb9-441c-a63a-537dbe2866ac' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7180b943-2f0c-45b6-8084-f89334a73bc6' class='xr-var-data-in' type='checkbox'><label for='data-7180b943-2f0c-45b6-8084-f89334a73bc6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-eafea65b-0307-469b-9998-8d7dd5fcd600' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-eafea65b-0307-469b-9998-8d7dd5fcd600' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8051d81b-9686-41a7-b800-1b4612ae8df2' class='xr-var-data-in' type='checkbox'><label for='data-8051d81b-9686-41a7-b800-1b4612ae8df2' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-496652a9-4cfb-4685-a583-8c98b66c7581' class='xr-section-summary-in' type='checkbox'  ><label for='section-496652a9-4cfb-4685-a583-8c98b66c7581' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lon</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-8a1f5f1b-5bf0-444d-8399-2fe3451f5d29' class='xr-index-data-in' type='checkbox'/><label for='index-8a1f5f1b-5bf0-444d-8399-2fe3451f5d29' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([    0.0,   1.875,    3.75,   5.625,     7.5,   9.375,   11.25,  13.125,\n",
       "          15.0,  16.875,\n",
       "       ...\n",
       "        341.25, 343.125,   345.0, 346.875,  348.75, 350.625,   352.5, 354.375,\n",
       "        356.25, 358.125],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lon&#x27;, length=192))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-f1e118c3-3106-4ba5-b0ff-1f3532668e65' class='xr-section-summary-in' type='checkbox'  checked><label for='section-f1e118c3-3106-4ba5-b0ff-1f3532668e65' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'lon' (lon: 192)> Size: 2kB\n",
       "array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])\n",
       "Coordinates:\n",
       "  * lon      (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 352.5 354.4 356.2 358.1\n",
       "    height   float64 8B ...\n",
       "Attributes:\n",
       "    bounds:         lon_bnds\n",
       "    units:          degrees_east\n",
       "    axis:           X\n",
       "    long_name:      Longitude\n",
       "    standard_name:  longitude"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds.lon"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "178b80f6",
   "metadata": {},
   "outputs": [],
   "source": [
    "ds2 = xc.swap_lon_axis(ds, to=(-180, 180))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "6c39a178",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;lon&#x27; (lon: 192)&gt; Size: 2kB\n",
       "array([-180.   , -178.125, -176.25 , -174.375, -172.5  , -170.625, -168.75 ,\n",
       "       -166.875, -165.   , -163.125, -161.25 , -159.375, -157.5  , -155.625,\n",
       "       -153.75 , -151.875, -150.   , -148.125, -146.25 , -144.375, -142.5  ,\n",
       "       -140.625, -138.75 , -136.875, -135.   , -133.125, -131.25 , -129.375,\n",
       "       -127.5  , -125.625, -123.75 , -121.875, -120.   , -118.125, -116.25 ,\n",
       "       -114.375, -112.5  , -110.625, -108.75 , -106.875, -105.   , -103.125,\n",
       "       -101.25 ,  -99.375,  -97.5  ,  -95.625,  -93.75 ,  -91.875,  -90.   ,\n",
       "        -88.125,  -86.25 ,  -84.375,  -82.5  ,  -80.625,  -78.75 ,  -76.875,\n",
       "        -75.   ,  -73.125,  -71.25 ,  -69.375,  -67.5  ,  -65.625,  -63.75 ,\n",
       "        -61.875,  -60.   ,  -58.125,  -56.25 ,  -54.375,  -52.5  ,  -50.625,\n",
       "        -48.75 ,  -46.875,  -45.   ,  -43.125,  -41.25 ,  -39.375,  -37.5  ,\n",
       "        -35.625,  -33.75 ,  -31.875,  -30.   ,  -28.125,  -26.25 ,  -24.375,\n",
       "        -22.5  ,  -20.625,  -18.75 ,  -16.875,  -15.   ,  -13.125,  -11.25 ,\n",
       "         -9.375,   -7.5  ,   -5.625,   -3.75 ,   -1.875,    0.   ,    1.875,\n",
       "          3.75 ,    5.625,    7.5  ,    9.375,   11.25 ,   13.125,   15.   ,\n",
       "         16.875,   18.75 ,   20.625,   22.5  ,   24.375,   26.25 ,   28.125,\n",
       "         30.   ,   31.875,   33.75 ,   35.625,   37.5  ,   39.375,   41.25 ,\n",
       "         43.125,   45.   ,   46.875,   48.75 ,   50.625,   52.5  ,   54.375,\n",
       "         56.25 ,   58.125,   60.   ,   61.875,   63.75 ,   65.625,   67.5  ,\n",
       "         69.375,   71.25 ,   73.125,   75.   ,   76.875,   78.75 ,   80.625,\n",
       "         82.5  ,   84.375,   86.25 ,   88.125,   90.   ,   91.875,   93.75 ,\n",
       "         95.625,   97.5  ,   99.375,  101.25 ,  103.125,  105.   ,  106.875,\n",
       "        108.75 ,  110.625,  112.5  ,  114.375,  116.25 ,  118.125,  120.   ,\n",
       "        121.875,  123.75 ,  125.625,  127.5  ,  129.375,  131.25 ,  133.125,\n",
       "        135.   ,  136.875,  138.75 ,  140.625,  142.5  ,  144.375,  146.25 ,\n",
       "        148.125,  150.   ,  151.875,  153.75 ,  155.625,  157.5  ,  159.375,\n",
       "        161.25 ,  163.125,  165.   ,  166.875,  168.75 ,  170.625,  172.5  ,\n",
       "        174.375,  176.25 ,  178.125])\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * lon      (lon) float64 2kB -180.0 -178.1 -176.2 -174.4 ... 174.4 176.2 178.1\n",
       "Attributes:\n",
       "    bounds:         lon_bnds\n",
       "    units:          degrees_east\n",
       "    axis:           X\n",
       "    long_name:      Longitude\n",
       "    standard_name:  longitude</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'lon'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>lon</span>: 192</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-afb95249-35ce-4e8d-8070-9cf3e8e71726' class='xr-array-in' type='checkbox' checked><label for='section-afb95249-35ce-4e8d-8070-9cf3e8e71726' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>-180.0 -178.1 -176.2 -174.4 -172.5 ... 170.6 172.5 174.4 176.2 178.1</span></div><div class='xr-array-data'><pre>array([-180.   , -178.125, -176.25 , -174.375, -172.5  , -170.625, -168.75 ,\n",
       "       -166.875, -165.   , -163.125, -161.25 , -159.375, -157.5  , -155.625,\n",
       "       -153.75 , -151.875, -150.   , -148.125, -146.25 , -144.375, -142.5  ,\n",
       "       -140.625, -138.75 , -136.875, -135.   , -133.125, -131.25 , -129.375,\n",
       "       -127.5  , -125.625, -123.75 , -121.875, -120.   , -118.125, -116.25 ,\n",
       "       -114.375, -112.5  , -110.625, -108.75 , -106.875, -105.   , -103.125,\n",
       "       -101.25 ,  -99.375,  -97.5  ,  -95.625,  -93.75 ,  -91.875,  -90.   ,\n",
       "        -88.125,  -86.25 ,  -84.375,  -82.5  ,  -80.625,  -78.75 ,  -76.875,\n",
       "        -75.   ,  -73.125,  -71.25 ,  -69.375,  -67.5  ,  -65.625,  -63.75 ,\n",
       "        -61.875,  -60.   ,  -58.125,  -56.25 ,  -54.375,  -52.5  ,  -50.625,\n",
       "        -48.75 ,  -46.875,  -45.   ,  -43.125,  -41.25 ,  -39.375,  -37.5  ,\n",
       "        -35.625,  -33.75 ,  -31.875,  -30.   ,  -28.125,  -26.25 ,  -24.375,\n",
       "        -22.5  ,  -20.625,  -18.75 ,  -16.875,  -15.   ,  -13.125,  -11.25 ,\n",
       "         -9.375,   -7.5  ,   -5.625,   -3.75 ,   -1.875,    0.   ,    1.875,\n",
       "          3.75 ,    5.625,    7.5  ,    9.375,   11.25 ,   13.125,   15.   ,\n",
       "         16.875,   18.75 ,   20.625,   22.5  ,   24.375,   26.25 ,   28.125,\n",
       "         30.   ,   31.875,   33.75 ,   35.625,   37.5  ,   39.375,   41.25 ,\n",
       "         43.125,   45.   ,   46.875,   48.75 ,   50.625,   52.5  ,   54.375,\n",
       "         56.25 ,   58.125,   60.   ,   61.875,   63.75 ,   65.625,   67.5  ,\n",
       "         69.375,   71.25 ,   73.125,   75.   ,   76.875,   78.75 ,   80.625,\n",
       "         82.5  ,   84.375,   86.25 ,   88.125,   90.   ,   91.875,   93.75 ,\n",
       "         95.625,   97.5  ,   99.375,  101.25 ,  103.125,  105.   ,  106.875,\n",
       "        108.75 ,  110.625,  112.5  ,  114.375,  116.25 ,  118.125,  120.   ,\n",
       "        121.875,  123.75 ,  125.625,  127.5  ,  129.375,  131.25 ,  133.125,\n",
       "        135.   ,  136.875,  138.75 ,  140.625,  142.5  ,  144.375,  146.25 ,\n",
       "        148.125,  150.   ,  151.875,  153.75 ,  155.625,  157.5  ,  159.375,\n",
       "        161.25 ,  163.125,  165.   ,  166.875,  168.75 ,  170.625,  172.5  ,\n",
       "        174.375,  176.25 ,  178.125])</pre></div></div></li><li class='xr-section-item'><input id='section-671c1f2b-09f2-4ce1-a7a5-fc4a7cf0479a' class='xr-section-summary-in' type='checkbox'  checked><label for='section-671c1f2b-09f2-4ce1-a7a5-fc4a7cf0479a' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-be621dc4-0f9e-4a07-a780-e5fd38d93903' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-be621dc4-0f9e-4a07-a780-e5fd38d93903' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-810a0b41-815a-4801-88fc-855c10d44a7c' class='xr-var-data-in' type='checkbox'><label for='data-810a0b41-815a-4801-88fc-855c10d44a7c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lon</span></div><div class='xr-var-dims'>(lon)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-180.0 -178.1 ... 176.2 178.1</div><input id='attrs-0451d3bc-3405-4848-af3b-fb85be3c0dc1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-0451d3bc-3405-4848-af3b-fb85be3c0dc1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8f545fe4-4a91-446e-9e6b-8204d775f797' class='xr-var-data-in' type='checkbox'><label for='data-8f545fe4-4a91-446e-9e6b-8204d775f797' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([-180.   , -178.125, -176.25 , -174.375, -172.5  , -170.625, -168.75 ,\n",
       "       -166.875, -165.   , -163.125, -161.25 , -159.375, -157.5  , -155.625,\n",
       "       -153.75 , -151.875, -150.   , -148.125, -146.25 , -144.375, -142.5  ,\n",
       "       -140.625, -138.75 , -136.875, -135.   , -133.125, -131.25 , -129.375,\n",
       "       -127.5  , -125.625, -123.75 , -121.875, -120.   , -118.125, -116.25 ,\n",
       "       -114.375, -112.5  , -110.625, -108.75 , -106.875, -105.   , -103.125,\n",
       "       -101.25 ,  -99.375,  -97.5  ,  -95.625,  -93.75 ,  -91.875,  -90.   ,\n",
       "        -88.125,  -86.25 ,  -84.375,  -82.5  ,  -80.625,  -78.75 ,  -76.875,\n",
       "        -75.   ,  -73.125,  -71.25 ,  -69.375,  -67.5  ,  -65.625,  -63.75 ,\n",
       "        -61.875,  -60.   ,  -58.125,  -56.25 ,  -54.375,  -52.5  ,  -50.625,\n",
       "        -48.75 ,  -46.875,  -45.   ,  -43.125,  -41.25 ,  -39.375,  -37.5  ,\n",
       "        -35.625,  -33.75 ,  -31.875,  -30.   ,  -28.125,  -26.25 ,  -24.375,\n",
       "        -22.5  ,  -20.625,  -18.75 ,  -16.875,  -15.   ,  -13.125,  -11.25 ,\n",
       "         -9.375,   -7.5  ,   -5.625,   -3.75 ,   -1.875,    0.   ,    1.875,\n",
       "          3.75 ,    5.625,    7.5  ,    9.375,   11.25 ,   13.125,   15.   ,\n",
       "         16.875,   18.75 ,   20.625,   22.5  ,   24.375,   26.25 ,   28.125,\n",
       "         30.   ,   31.875,   33.75 ,   35.625,   37.5  ,   39.375,   41.25 ,\n",
       "         43.125,   45.   ,   46.875,   48.75 ,   50.625,   52.5  ,   54.375,\n",
       "         56.25 ,   58.125,   60.   ,   61.875,   63.75 ,   65.625,   67.5  ,\n",
       "         69.375,   71.25 ,   73.125,   75.   ,   76.875,   78.75 ,   80.625,\n",
       "         82.5  ,   84.375,   86.25 ,   88.125,   90.   ,   91.875,   93.75 ,\n",
       "         95.625,   97.5  ,   99.375,  101.25 ,  103.125,  105.   ,  106.875,\n",
       "        108.75 ,  110.625,  112.5  ,  114.375,  116.25 ,  118.125,  120.   ,\n",
       "        121.875,  123.75 ,  125.625,  127.5  ,  129.375,  131.25 ,  133.125,\n",
       "        135.   ,  136.875,  138.75 ,  140.625,  142.5  ,  144.375,  146.25 ,\n",
       "        148.125,  150.   ,  151.875,  153.75 ,  155.625,  157.5  ,  159.375,\n",
       "        161.25 ,  163.125,  165.   ,  166.875,  168.75 ,  170.625,  172.5  ,\n",
       "        174.375,  176.25 ,  178.125])</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-0dd71770-4938-48b3-bdf3-d70d1dfc1679' class='xr-section-summary-in' type='checkbox'  ><label for='section-0dd71770-4938-48b3-bdf3-d70d1dfc1679' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lon</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-808406b2-bfd7-4b30-a1cb-dc20e5baae68' class='xr-index-data-in' type='checkbox'/><label for='index-808406b2-bfd7-4b30-a1cb-dc20e5baae68' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([  -180.0, -178.125,  -176.25, -174.375,   -172.5, -170.625,  -168.75,\n",
       "       -166.875,   -165.0, -163.125,\n",
       "       ...\n",
       "         161.25,  163.125,    165.0,  166.875,   168.75,  170.625,    172.5,\n",
       "        174.375,   176.25,  178.125],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lon&#x27;, length=192))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-b4c12ee6-08e8-4e32-a5e1-2bb946029da2' class='xr-section-summary-in' type='checkbox'  checked><label for='section-b4c12ee6-08e8-4e32-a5e1-2bb946029da2' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'lon' (lon: 192)> Size: 2kB\n",
       "array([-180.   , -178.125, -176.25 , -174.375, -172.5  , -170.625, -168.75 ,\n",
       "       -166.875, -165.   , -163.125, -161.25 , -159.375, -157.5  , -155.625,\n",
       "       -153.75 , -151.875, -150.   , -148.125, -146.25 , -144.375, -142.5  ,\n",
       "       -140.625, -138.75 , -136.875, -135.   , -133.125, -131.25 , -129.375,\n",
       "       -127.5  , -125.625, -123.75 , -121.875, -120.   , -118.125, -116.25 ,\n",
       "       -114.375, -112.5  , -110.625, -108.75 , -106.875, -105.   , -103.125,\n",
       "       -101.25 ,  -99.375,  -97.5  ,  -95.625,  -93.75 ,  -91.875,  -90.   ,\n",
       "        -88.125,  -86.25 ,  -84.375,  -82.5  ,  -80.625,  -78.75 ,  -76.875,\n",
       "        -75.   ,  -73.125,  -71.25 ,  -69.375,  -67.5  ,  -65.625,  -63.75 ,\n",
       "        -61.875,  -60.   ,  -58.125,  -56.25 ,  -54.375,  -52.5  ,  -50.625,\n",
       "        -48.75 ,  -46.875,  -45.   ,  -43.125,  -41.25 ,  -39.375,  -37.5  ,\n",
       "        -35.625,  -33.75 ,  -31.875,  -30.   ,  -28.125,  -26.25 ,  -24.375,\n",
       "        -22.5  ,  -20.625,  -18.75 ,  -16.875,  -15.   ,  -13.125,  -11.25 ,\n",
       "         -9.375,   -7.5  ,   -5.625,   -3.75 ,   -1.875,    0.   ,    1.875,\n",
       "          3.75 ,    5.625,    7.5  ,    9.375,   11.25 ,   13.125,   15.   ,\n",
       "         16.875,   18.75 ,   20.625,   22.5  ,   24.375,   26.25 ,   28.125,\n",
       "         30.   ,   31.875,   33.75 ,   35.625,   37.5  ,   39.375,   41.25 ,\n",
       "         43.125,   45.   ,   46.875,   48.75 ,   50.625,   52.5  ,   54.375,\n",
       "         56.25 ,   58.125,   60.   ,   61.875,   63.75 ,   65.625,   67.5  ,\n",
       "         69.375,   71.25 ,   73.125,   75.   ,   76.875,   78.75 ,   80.625,\n",
       "         82.5  ,   84.375,   86.25 ,   88.125,   90.   ,   91.875,   93.75 ,\n",
       "         95.625,   97.5  ,   99.375,  101.25 ,  103.125,  105.   ,  106.875,\n",
       "        108.75 ,  110.625,  112.5  ,  114.375,  116.25 ,  118.125,  120.   ,\n",
       "        121.875,  123.75 ,  125.625,  127.5  ,  129.375,  131.25 ,  133.125,\n",
       "        135.   ,  136.875,  138.75 ,  140.625,  142.5  ,  144.375,  146.25 ,\n",
       "        148.125,  150.   ,  151.875,  153.75 ,  155.625,  157.5  ,  159.375,\n",
       "        161.25 ,  163.125,  165.   ,  166.875,  168.75 ,  170.625,  172.5  ,\n",
       "        174.375,  176.25 ,  178.125])\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * lon      (lon) float64 2kB -180.0 -178.1 -176.2 -174.4 ... 174.4 176.2 178.1\n",
       "Attributes:\n",
       "    bounds:         lon_bnds\n",
       "    units:          degrees_east\n",
       "    axis:           X\n",
       "    long_name:      Longitude\n",
       "    standard_name:  longitude"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds2.lon"
   ]
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   "cell_type": "markdown",
   "id": "2deb2d28",
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   "source": [
    "## Center the time coordinates\n",
    "\n",
    "A given point of time often represents some time period (e.g., a monthly average). In this situation, data providers sometimes record the time as the beginning, middle, or end of the period. `center_times()` places the time coordinate in the center of the time interval (using time bounds to determine the center of the period).\n",
    "\n",
    "- Related API: [xcdat.center_times()](../generated/xcdat.center_times.rst)\n",
    "- Alternative solution: `xcdat.open_mfdataset(dataset_links, center_times=True)`\n",
    "\n",
    "The time bounds used for centering time coordinates:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "2ca935db",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 11, 1, 0, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# We access the values with .values because it is a dask array.\n",
    "ds.time_bnds.values[0:10]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "bcf8a44d",
   "metadata": {},
   "source": [
    "Before centering time coordinates:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "db10a5e0",
   "metadata": {},
   "outputs": [
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       "\n",
       ".xr-section-item input:enabled + label {\n",
       "  cursor: pointer;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-section-item input:focus + label {\n",
       "  border: 2px solid var(--xr-font-color0);\n",
       "}\n",
       "\n",
       ".xr-section-item input:enabled + label:hover {\n",
       "  color: var(--xr-font-color0);\n",
       "}\n",
       "\n",
       ".xr-section-summary {\n",
       "  grid-column: 1;\n",
       "  color: var(--xr-font-color2);\n",
       "  font-weight: 500;\n",
       "}\n",
       "\n",
       ".xr-section-summary > span {\n",
       "  display: inline-block;\n",
       "  padding-left: 0.5em;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:disabled + label {\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-section-summary-in + label:before {\n",
       "  display: inline-block;\n",
       "  content: \"►\";\n",
       "  font-size: 11px;\n",
       "  width: 15px;\n",
       "  text-align: center;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:disabled + label:before {\n",
       "  color: var(--xr-disabled-color);\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked + label:before {\n",
       "  content: \"▼\";\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked + label > span {\n",
       "  display: none;\n",
       "}\n",
       "\n",
       ".xr-section-summary,\n",
       ".xr-section-inline-details {\n",
       "  padding-top: 4px;\n",
       "  padding-bottom: 4px;\n",
       "}\n",
       "\n",
       ".xr-section-inline-details {\n",
       "  grid-column: 2 / -1;\n",
       "}\n",
       "\n",
       ".xr-section-details {\n",
       "  display: none;\n",
       "  grid-column: 1 / -1;\n",
       "  margin-bottom: 5px;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked ~ .xr-section-details {\n",
       "  display: contents;\n",
       "}\n",
       "\n",
       ".xr-array-wrap {\n",
       "  grid-column: 1 / -1;\n",
       "  display: grid;\n",
       "  grid-template-columns: 20px auto;\n",
       "}\n",
       "\n",
       ".xr-array-wrap > label {\n",
       "  grid-column: 1;\n",
       "  vertical-align: top;\n",
       "}\n",
       "\n",
       ".xr-preview {\n",
       "  color: var(--xr-font-color3);\n",
       "}\n",
       "\n",
       ".xr-array-preview,\n",
       ".xr-array-data {\n",
       "  padding: 0 5px !important;\n",
       "  grid-column: 2;\n",
       "}\n",
       "\n",
       ".xr-array-data,\n",
       ".xr-array-in:checked ~ .xr-array-preview {\n",
       "  display: none;\n",
       "}\n",
       "\n",
       ".xr-array-in:checked ~ .xr-array-data,\n",
       ".xr-array-preview {\n",
       "  display: inline-block;\n",
       "}\n",
       "\n",
       ".xr-dim-list {\n",
       "  display: inline-block !important;\n",
       "  list-style: none;\n",
       "  padding: 0 !important;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list li {\n",
       "  display: inline-block;\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list:before {\n",
       "  content: \"(\";\n",
       "}\n",
       "\n",
       ".xr-dim-list:after {\n",
       "  content: \")\";\n",
       "}\n",
       "\n",
       ".xr-dim-list li:not(:last-child):after {\n",
       "  content: \",\";\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-has-index {\n",
       "  font-weight: bold;\n",
       "}\n",
       "\n",
       ".xr-var-list,\n",
       ".xr-var-item {\n",
       "  display: contents;\n",
       "}\n",
       "\n",
       ".xr-var-item > div,\n",
       ".xr-var-item label,\n",
       ".xr-var-item > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-even);\n",
       "  margin-bottom: 0;\n",
       "}\n",
       "\n",
       ".xr-var-item > .xr-var-name:hover span {\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-var-list > li:nth-child(odd) > div,\n",
       ".xr-var-list > li:nth-child(odd) > label,\n",
       ".xr-var-list > li:nth-child(odd) > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-odd);\n",
       "}\n",
       "\n",
       ".xr-var-name {\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-var-dims {\n",
       "  grid-column: 2;\n",
       "}\n",
       "\n",
       ".xr-var-dtype {\n",
       "  grid-column: 3;\n",
       "  text-align: right;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-var-preview {\n",
       "  grid-column: 4;\n",
       "}\n",
       "\n",
       ".xr-index-preview {\n",
       "  grid-column: 2 / 5;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-var-name,\n",
       ".xr-var-dims,\n",
       ".xr-var-dtype,\n",
       ".xr-preview,\n",
       ".xr-attrs dt {\n",
       "  white-space: nowrap;\n",
       "  overflow: hidden;\n",
       "  text-overflow: ellipsis;\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-var-name:hover,\n",
       ".xr-var-dims:hover,\n",
       ".xr-var-dtype:hover,\n",
       ".xr-attrs dt:hover {\n",
       "  overflow: visible;\n",
       "  width: auto;\n",
       "  z-index: 1;\n",
       "}\n",
       "\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  display: none;\n",
       "  background-color: var(--xr-background-color) !important;\n",
       "  padding-bottom: 5px !important;\n",
       "}\n",
       "\n",
       ".xr-var-attrs-in:checked ~ .xr-var-attrs,\n",
       ".xr-var-data-in:checked ~ .xr-var-data,\n",
       ".xr-index-data-in:checked ~ .xr-index-data {\n",
       "  display: block;\n",
       "}\n",
       "\n",
       ".xr-var-data > table {\n",
       "  float: right;\n",
       "}\n",
       "\n",
       ".xr-var-name span,\n",
       ".xr-var-data,\n",
       ".xr-index-name div,\n",
       ".xr-index-data,\n",
       ".xr-attrs {\n",
       "  padding-left: 25px !important;\n",
       "}\n",
       "\n",
       ".xr-attrs,\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  grid-column: 1 / -1;\n",
       "}\n",
       "\n",
       "dl.xr-attrs {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  display: grid;\n",
       "  grid-template-columns: 125px auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt,\n",
       ".xr-attrs dd {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  float: left;\n",
       "  padding-right: 10px;\n",
       "  width: auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt {\n",
       "  font-weight: normal;\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-attrs dt:hover span {\n",
       "  display: inline-block;\n",
       "  background: var(--xr-background-color);\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-attrs dd {\n",
       "  grid-column: 2;\n",
       "  white-space: pre-wrap;\n",
       "  word-break: break-all;\n",
       "}\n",
       "\n",
       ".xr-icon-database,\n",
       ".xr-icon-file-text2,\n",
       ".xr-no-icon {\n",
       "  display: inline-block;\n",
       "  vertical-align: middle;\n",
       "  width: 1em;\n",
       "  height: 1.5em !important;\n",
       "  stroke-width: 0;\n",
       "  stroke: currentColor;\n",
       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;time&#x27; (time: 10)&gt; Size: 80B\n",
       "array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 80B 1870-01-16 12:00:00 ... 1870-10-16 12:00:00\n",
       "Attributes:\n",
       "    bounds:         time_bnds\n",
       "    axis:           T\n",
       "    long_name:      time\n",
       "    standard_name:  time\n",
       "    _ChunkSizes:    1</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'time'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 10</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-46a1c93f-1977-4f71-b8e5-9f029e5159d6' class='xr-array-in' type='checkbox' checked><label for='section-46a1c93f-1977-4f71-b8e5-9f029e5159d6' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>1870-01-16 12:00:00 1870-02-15 00:00:00 ... 1870-10-16 12:00:00</span></div><div class='xr-array-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></div></li><li class='xr-section-item'><input id='section-56fa8b87-6e5f-41f4-a9d4-c6e34b72aa8f' class='xr-section-summary-in' type='checkbox'  checked><label for='section-56fa8b87-6e5f-41f4-a9d4-c6e34b72aa8f' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-6d2f9406-4f27-4072-ba17-453e2ccbc929' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6d2f9406-4f27-4072-ba17-453e2ccbc929' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-76701552-7749-4f7f-a772-fd5a9dda1f19' class='xr-var-data-in' type='checkbox'><label for='data-76701552-7749-4f7f-a772-fd5a9dda1f19' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1870-10-...</div><input id='attrs-a301da7d-806f-4527-8119-bdf14d37a138' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a301da7d-806f-4527-8119-bdf14d37a138' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-f5c2a591-4e76-48e3-8128-c9d4ad7e280e' class='xr-var-data-in' type='checkbox'><label for='data-f5c2a591-4e76-48e3-8128-c9d4ad7e280e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-c83bc7f9-4f43-4303-8af4-1e9a37c230d6' class='xr-section-summary-in' type='checkbox'  ><label for='section-c83bc7f9-4f43-4303-8af4-1e9a37c230d6' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-b1018600-1371-4bb8-92ad-7aa6810da3df' class='xr-index-data-in' type='checkbox'/><label for='index-b1018600-1371-4bb8-92ad-7aa6810da3df' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=10,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-66b2080e-e44f-4803-ab57-a989bc7661c9' class='xr-section-summary-in' type='checkbox'  checked><label for='section-66b2080e-e44f-4803-ab57-a989bc7661c9' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'time' (time: 10)> Size: 80B\n",
       "array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 80B 1870-01-16 12:00:00 ... 1870-10-16 12:00:00\n",
       "Attributes:\n",
       "    bounds:         time_bnds\n",
       "    axis:           T\n",
       "    long_name:      time\n",
       "    standard_name:  time\n",
       "    _ChunkSizes:    1"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds.time[0:10]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c8f87a61-9729-4a6c-8c45-23fe3e65922d",
   "metadata": {},
   "source": [
    "Now center the time coordinates:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "700783d7",
   "metadata": {},
   "outputs": [],
   "source": [
    "ds3 = xc.center_times(ds)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "66db7abf",
   "metadata": {},
   "source": [
    "After centering time coordinates:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "9a0a0843",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "\n",
       ".xr-dim-list:after {\n",
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       ".xr-dim-list li:not(:last-child):after {\n",
       "  content: \",\";\n",
       "  padding-right: 5px;\n",
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       ".xr-var-list,\n",
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       "\n",
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       "\n",
       ".xr-attrs dt,\n",
       ".xr-attrs dd {\n",
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       "  width: auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt {\n",
       "  font-weight: normal;\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-attrs dt:hover span {\n",
       "  display: inline-block;\n",
       "  background: var(--xr-background-color);\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-attrs dd {\n",
       "  grid-column: 2;\n",
       "  white-space: pre-wrap;\n",
       "  word-break: break-all;\n",
       "}\n",
       "\n",
       ".xr-icon-database,\n",
       ".xr-icon-file-text2,\n",
       ".xr-no-icon {\n",
       "  display: inline-block;\n",
       "  vertical-align: middle;\n",
       "  width: 1em;\n",
       "  height: 1.5em !important;\n",
       "  stroke-width: 0;\n",
       "  stroke: currentColor;\n",
       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;time&#x27; (time: 10)&gt; Size: 80B\n",
       "array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 80B 1870-01-16 12:00:00 ... 1870-10-16 12:00:00\n",
       "Attributes:\n",
       "    bounds:         time_bnds\n",
       "    axis:           T\n",
       "    long_name:      time\n",
       "    standard_name:  time\n",
       "    _ChunkSizes:    1</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'time'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 10</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-2a316da1-94c8-49d4-9c9b-6b1d5f567773' class='xr-array-in' type='checkbox' checked><label for='section-2a316da1-94c8-49d4-9c9b-6b1d5f567773' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>1870-01-16 12:00:00 1870-02-15 00:00:00 ... 1870-10-16 12:00:00</span></div><div class='xr-array-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></div></li><li class='xr-section-item'><input id='section-fe8c23fc-e2d8-413a-8d2d-8cfafbd9a8fe' class='xr-section-summary-in' type='checkbox'  checked><label for='section-fe8c23fc-e2d8-413a-8d2d-8cfafbd9a8fe' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-3315145c-1d6a-466c-a6a6-180b6e0699b1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-3315145c-1d6a-466c-a6a6-180b6e0699b1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-913a3769-6e96-46f7-a6d8-8bc1df9d87c7' class='xr-var-data-in' type='checkbox'><label for='data-913a3769-6e96-46f7-a6d8-8bc1df9d87c7' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1870-10-...</div><input id='attrs-05c2a156-2a25-4c49-8c5b-2a4888ad854f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-05c2a156-2a25-4c49-8c5b-2a4888ad854f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-502c365b-581d-4c9d-97cb-c930b8fa3253' class='xr-var-data-in' type='checkbox'><label for='data-502c365b-581d-4c9d-97cb-c930b8fa3253' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-5fc68776-3329-4a22-85a5-9f8e16345414' class='xr-section-summary-in' type='checkbox'  ><label for='section-5fc68776-3329-4a22-85a5-9f8e16345414' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-013bdc49-28c5-4115-b47f-1c0e06e66d12' class='xr-index-data-in' type='checkbox'/><label for='index-013bdc49-28c5-4115-b47f-1c0e06e66d12' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=10,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-349e03f0-a726-4782-b6f3-448871c235ed' class='xr-section-summary-in' type='checkbox'  checked><label for='section-349e03f0-a726-4782-b6f3-448871c235ed' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div></li></ul></div></div>"
      ],
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       "<xarray.DataArray 'time' (time: 10)> Size: 80B\n",
       "array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 80B 1870-01-16 12:00:00 ... 1870-10-16 12:00:00\n",
       "Attributes:\n",
       "    bounds:         time_bnds\n",
       "    axis:           T\n",
       "    long_name:      time\n",
       "    standard_name:  time\n",
       "    _ChunkSizes:    1"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds3.time[0:10]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8a261070",
   "metadata": {},
   "source": [
    "## Add bounds\n",
    "\n",
    "Bounds are critical to many `xcdat` operations. For example, they are used in determining the weights in spatial or temporal averages and in regridding operations. `add_bounds()` will attempt to produce bounds if they do not exist in the original dataset.\n",
    "\n",
    "- Related API: [xarray.Dataset.bounds.add_bounds()](../generated/xarray.Dataset.bounds.add_bounds.rst)\n",
    "- Alternative solution: `xcdat.open_mfdataset(dataset_links, add_bounds=[\"X\", \"Y\", \"T\"])`\n",
    "  - (Assuming the file doesn't already have bounds for your desired axis/axes)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "59bf9f86",
   "metadata": {},
   "outputs": [],
   "source": [
    "# We are dropping the existing bounds to demonstrate adding bounds.\n",
    "# we are starting with the dataset with centered time points\n",
    "ds4 = ds3.drop_vars(\"time_bnds\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "fb2b09dd",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\"No variable named 'time_bnds'. Did you mean one of ('lat_bnds', 'time')?\"\n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    ds4.bounds.get_bounds(\"T\")\n",
    "except KeyError as e:\n",
    "    print(e)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "dbcc35f3-5cd0-4e99-89fe-d2f4d1e5ae33",
   "metadata": {},
   "source": [
    "There are two options for adding time bounds. The midpoint method places bounds at the midpoints between time bounds and the frequency method creates bounds based on the time stamp of each time point\n",
    "and the frequency of the data. This is the midpoint method:\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "c4b55a89",
   "metadata": {},
   "outputs": [
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       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 31, 18, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'time_bnds'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 60</li><li><span>bnds</span>: 2</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-9af828f1-9cb5-4b13-80f9-07d4fe6c9677' class='xr-array-in' type='checkbox' checked><label for='section-9af828f1-9cb5-4b13-80f9-07d4fe6c9677' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>1870-01-01 18:00:00 1870-01-31 06:00:00 ... 1874-12-31 18:00:00</span></div><div class='xr-array-data'><pre>array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 1, 31, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 1, 31, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 31, 18, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)</pre></div></div></li><li class='xr-section-item'><input id='section-d6fc1b90-9901-40e5-97df-c53f22af2490' class='xr-section-summary-in' type='checkbox'  checked><label for='section-d6fc1b90-9901-40e5-97df-c53f22af2490' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-fe18f795-978d-4e2c-b074-25a22fe998a9' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-fe18f795-978d-4e2c-b074-25a22fe998a9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-67162edd-9bda-419d-8ea4-67d10bf9bb0a' class='xr-var-data-in' type='checkbox'><label for='data-67162edd-9bda-419d-8ea4-67d10bf9bb0a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1874-12-...</div><input id='attrs-ebc0f5cd-9da0-409e-ad22-d3d981543bb4' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ebc0f5cd-9da0-409e-ad22-d3d981543bb4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-87d380d9-7f41-4642-987b-1fb6f3fc8db3' class='xr-var-data-in' type='checkbox'><label for='data-87d380d9-7f41-4642-987b-1fb6f3fc8db3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 2, 15, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 12, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-2339a55e-8019-4079-9030-e644f519b518' class='xr-section-summary-in' type='checkbox'  ><label for='section-2339a55e-8019-4079-9030-e644f519b518' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-f97986f5-493a-4af3-b9b0-e39ec9154dd6' class='xr-index-data-in' type='checkbox'/><label for='index-f97986f5-493a-4af3-b9b0-e39ec9154dd6' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00, 1870-11-16 00:00:00, 1870-12-16 12:00:00,\n",
       "             1871-01-16 12:00:00, 1871-02-15 00:00:00, 1871-03-16 12:00:00,\n",
       "             1871-04-16 00:00:00, 1871-05-16 12:00:00, 1871-06-16 00:00:00,\n",
       "             1871-07-16 12:00:00, 1871-08-16 12:00:00, 1871-09-16 00:00:00,\n",
       "             1871-10-16 12:00:00, 1871-11-16 00:00:00, 1871-12-16 12:00:00,\n",
       "             1872-01-16 12:00:00, 1872-02-15 12:00:00, 1872-03-16 12:00:00,\n",
       "             1872-04-16 00:00:00, 1872-05-16 12:00:00, 1872-06-16 00:00:00,\n",
       "             1872-07-16 12:00:00, 1872-08-16 12:00:00, 1872-09-16 00:00:00,\n",
       "             1872-10-16 12:00:00, 1872-11-16 00:00:00, 1872-12-16 12:00:00,\n",
       "             1873-01-16 12:00:00, 1873-02-15 00:00:00, 1873-03-16 12:00:00,\n",
       "             1873-04-16 00:00:00, 1873-05-16 12:00:00, 1873-06-16 00:00:00,\n",
       "             1873-07-16 12:00:00, 1873-08-16 12:00:00, 1873-09-16 00:00:00,\n",
       "             1873-10-16 12:00:00, 1873-11-16 00:00:00, 1873-12-16 12:00:00,\n",
       "             1874-01-16 12:00:00, 1874-02-15 00:00:00, 1874-03-16 12:00:00,\n",
       "             1874-04-16 00:00:00, 1874-05-16 12:00:00, 1874-06-16 00:00:00,\n",
       "             1874-07-16 12:00:00, 1874-08-16 12:00:00, 1874-09-16 00:00:00,\n",
       "             1874-10-16 12:00:00, 1874-11-16 00:00:00, 1874-12-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=60,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-f610ea18-48c3-457a-ac49-8fcfc014b3f4' class='xr-section-summary-in' type='checkbox'  checked><label for='section-f610ea18-48c3-457a-ac49-8fcfc014b3f4' class='xr-section-summary' >Attributes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div></li></ul></div></div>"
      ],
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       "<xarray.DataArray 'time_bnds' (time: 60, bnds: 2)> Size: 960B\n",
       "array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 1, 31, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 1, 31, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 3, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 31, 18, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 6, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 31, 18, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# midpoint method\n",
    "ds4 = ds4.bounds.add_time_bounds(method=\"midpoint\")\n",
    "# print results\n",
    "ds4.bounds.get_bounds(\"T\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "703e515a-0ccf-44a5-a9a3-063ea35ea988",
   "metadata": {},
   "source": [
    "Notice that the midpoint method does not place the bounds between the last moment of month `n` and the first moment of month `n+1`. The `frequency` method was meant to try to infer the correct bounds by taking into account the time stamps and the frequency of the data. The frequency method (below) is what is used when `add_bounds=[\"T\"]` is specified in `open_dataset` or `open_mfdataset`.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "2a41a509-379d-49ed-b7b5-74b0ab595c8f",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
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       "        cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1875, 1, 1, 0, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'time_bnds'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 60</li><li><span>bnds</span>: 2</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-75c9ab05-4b8a-4322-9332-40ebd7d8352f' class='xr-array-in' type='checkbox' checked><label for='section-75c9ab05-4b8a-4322-9332-40ebd7d8352f' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>1870-01-01 00:00:00 1870-02-01 00:00:00 ... 1875-01-01 00:00:00</span></div><div class='xr-array-data'><pre>array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1875, 1, 1, 0, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)</pre></div></div></li><li class='xr-section-item'><input id='section-cc758c3a-af41-4595-be66-8683de59bba8' class='xr-section-summary-in' type='checkbox'  checked><label for='section-cc758c3a-af41-4595-be66-8683de59bba8' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-79b9a2bd-9533-48d5-aada-55f9f2d1f45b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-79b9a2bd-9533-48d5-aada-55f9f2d1f45b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-bafdd177-abd7-4e93-8abd-b490db9b9613' class='xr-var-data-in' type='checkbox'><label for='data-bafdd177-abd7-4e93-8abd-b490db9b9613' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1874-12-...</div><input id='attrs-758e0830-417b-48ef-9ce7-572e3767ef10' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-758e0830-417b-48ef-9ce7-572e3767ef10' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0aeccf6d-43b3-4668-83f4-634ec88e472e' class='xr-var-data-in' type='checkbox'><label for='data-0aeccf6d-43b3-4668-83f4-634ec88e472e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 2, 15, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 12, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-045643d5-f0b8-479e-978a-e3492a8dcf44' class='xr-section-summary-in' type='checkbox'  ><label for='section-045643d5-f0b8-479e-978a-e3492a8dcf44' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-acd0dbd5-0282-4812-bd68-25859502a7a5' class='xr-index-data-in' type='checkbox'/><label for='index-acd0dbd5-0282-4812-bd68-25859502a7a5' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00, 1870-11-16 00:00:00, 1870-12-16 12:00:00,\n",
       "             1871-01-16 12:00:00, 1871-02-15 00:00:00, 1871-03-16 12:00:00,\n",
       "             1871-04-16 00:00:00, 1871-05-16 12:00:00, 1871-06-16 00:00:00,\n",
       "             1871-07-16 12:00:00, 1871-08-16 12:00:00, 1871-09-16 00:00:00,\n",
       "             1871-10-16 12:00:00, 1871-11-16 00:00:00, 1871-12-16 12:00:00,\n",
       "             1872-01-16 12:00:00, 1872-02-15 12:00:00, 1872-03-16 12:00:00,\n",
       "             1872-04-16 00:00:00, 1872-05-16 12:00:00, 1872-06-16 00:00:00,\n",
       "             1872-07-16 12:00:00, 1872-08-16 12:00:00, 1872-09-16 00:00:00,\n",
       "             1872-10-16 12:00:00, 1872-11-16 00:00:00, 1872-12-16 12:00:00,\n",
       "             1873-01-16 12:00:00, 1873-02-15 00:00:00, 1873-03-16 12:00:00,\n",
       "             1873-04-16 00:00:00, 1873-05-16 12:00:00, 1873-06-16 00:00:00,\n",
       "             1873-07-16 12:00:00, 1873-08-16 12:00:00, 1873-09-16 00:00:00,\n",
       "             1873-10-16 12:00:00, 1873-11-16 00:00:00, 1873-12-16 12:00:00,\n",
       "             1874-01-16 12:00:00, 1874-02-15 00:00:00, 1874-03-16 12:00:00,\n",
       "             1874-04-16 00:00:00, 1874-05-16 12:00:00, 1874-06-16 00:00:00,\n",
       "             1874-07-16 12:00:00, 1874-08-16 12:00:00, 1874-09-16 00:00:00,\n",
       "             1874-10-16 12:00:00, 1874-11-16 00:00:00, 1874-12-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=60,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-c0a6bd62-be12-4a5f-ad0a-c67de5ac1ca8' class='xr-section-summary-in' type='checkbox'  checked><label for='section-c0a6bd62-be12-4a5f-ad0a-c67de5ac1ca8' class='xr-section-summary' >Attributes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'time_bnds' (time: 60, bnds: 2)> Size: 960B\n",
       "array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1875, 1, 1, 0, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)\n",
       "Coordinates:\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# drop time bounds again\n",
    "ds5 = ds4.drop_vars(\"time_bnds\")\n",
    "# timestamp / frequency method\n",
    "ds5 = ds5.bounds.add_time_bounds(method=\"freq\")\n",
    "# print results\n",
    "ds5.bounds.get_bounds(\"T\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "a9349e5b-f259-44f4-9f37-fdc0ec6dad8c",
   "metadata": {},
   "source": [
    "Note that `ds.bounds.add_time_bounds(method=\"midpoint\")` is the same as `ds.bounds.add_bounds(\"T\")`. The latter method can be used to add bounds to other axes (e.g., latitude) as show below.\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "f3fb38e6-d8f0-4dca-a97c-46ebbf502a66",
   "metadata": {},
   "outputs": [
    {
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       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;lat_bnds&#x27; (lat: 145, bnds: 2)&gt; Size: 2kB\n",
       "array([[-90.   , -89.375],\n",
       "       [-89.375, -88.125],\n",
       "       [-88.125, -86.875],\n",
       "       [-86.875, -85.625],\n",
       "       [-85.625, -84.375],\n",
       "       [-84.375, -83.125],\n",
       "       [-83.125, -81.875],\n",
       "       [-81.875, -80.625],\n",
       "       [-80.625, -79.375],\n",
       "       [-79.375, -78.125],\n",
       "       [-78.125, -76.875],\n",
       "       [-76.875, -75.625],\n",
       "       [-75.625, -74.375],\n",
       "       [-74.375, -73.125],\n",
       "       [-73.125, -71.875],\n",
       "       [-71.875, -70.625],\n",
       "       [-70.625, -69.375],\n",
       "       [-69.375, -68.125],\n",
       "       [-68.125, -66.875],\n",
       "       [-66.875, -65.625],\n",
       "...\n",
       "       [ 65.625,  66.875],\n",
       "       [ 66.875,  68.125],\n",
       "       [ 68.125,  69.375],\n",
       "       [ 69.375,  70.625],\n",
       "       [ 70.625,  71.875],\n",
       "       [ 71.875,  73.125],\n",
       "       [ 73.125,  74.375],\n",
       "       [ 74.375,  75.625],\n",
       "       [ 75.625,  76.875],\n",
       "       [ 76.875,  78.125],\n",
       "       [ 78.125,  79.375],\n",
       "       [ 79.375,  80.625],\n",
       "       [ 80.625,  81.875],\n",
       "       [ 81.875,  83.125],\n",
       "       [ 83.125,  84.375],\n",
       "       [ 84.375,  85.625],\n",
       "       [ 85.625,  86.875],\n",
       "       [ 86.875,  88.125],\n",
       "       [ 88.125,  89.375],\n",
       "       [ 89.375,  90.   ]])\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "    height   float64 8B ...\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'lat_bnds'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>lat</span>: 145</li><li><span>bnds</span>: 2</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-aad1b308-ae3b-403e-aa3d-f7f807759ced' class='xr-array-in' type='checkbox' checked><label for='section-aad1b308-ae3b-403e-aa3d-f7f807759ced' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>-90.0 -89.38 -89.38 -88.12 -88.12 ... 88.12 88.12 89.38 89.38 90.0</span></div><div class='xr-array-data'><pre>array([[-90.   , -89.375],\n",
       "       [-89.375, -88.125],\n",
       "       [-88.125, -86.875],\n",
       "       [-86.875, -85.625],\n",
       "       [-85.625, -84.375],\n",
       "       [-84.375, -83.125],\n",
       "       [-83.125, -81.875],\n",
       "       [-81.875, -80.625],\n",
       "       [-80.625, -79.375],\n",
       "       [-79.375, -78.125],\n",
       "       [-78.125, -76.875],\n",
       "       [-76.875, -75.625],\n",
       "       [-75.625, -74.375],\n",
       "       [-74.375, -73.125],\n",
       "       [-73.125, -71.875],\n",
       "       [-71.875, -70.625],\n",
       "       [-70.625, -69.375],\n",
       "       [-69.375, -68.125],\n",
       "       [-68.125, -66.875],\n",
       "       [-66.875, -65.625],\n",
       "...\n",
       "       [ 65.625,  66.875],\n",
       "       [ 66.875,  68.125],\n",
       "       [ 68.125,  69.375],\n",
       "       [ 69.375,  70.625],\n",
       "       [ 70.625,  71.875],\n",
       "       [ 71.875,  73.125],\n",
       "       [ 73.125,  74.375],\n",
       "       [ 74.375,  75.625],\n",
       "       [ 75.625,  76.875],\n",
       "       [ 76.875,  78.125],\n",
       "       [ 78.125,  79.375],\n",
       "       [ 79.375,  80.625],\n",
       "       [ 80.625,  81.875],\n",
       "       [ 81.875,  83.125],\n",
       "       [ 83.125,  84.375],\n",
       "       [ 84.375,  85.625],\n",
       "       [ 85.625,  86.875],\n",
       "       [ 86.875,  88.125],\n",
       "       [ 88.125,  89.375],\n",
       "       [ 89.375,  90.   ]])</pre></div></div></li><li class='xr-section-item'><input id='section-647555ed-7b91-4f30-9802-e5637617c0e9' class='xr-section-summary-in' type='checkbox'  checked><label for='section-647555ed-7b91-4f30-9802-e5637617c0e9' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lat</span></div><div class='xr-var-dims'>(lat)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -88.75 -87.5 ... 88.75 90.0</div><input id='attrs-a0bf3f87-d1ab-40fb-a243-19901f9024c8' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a0bf3f87-d1ab-40fb-a243-19901f9024c8' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4f782e4a-df98-478d-9e1d-3c74121e8da8' class='xr-var-data-in' type='checkbox'><label for='data-4f782e4a-df98-478d-9e1d-3c74121e8da8' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-7e80e74c-3b5c-4acb-b4a5-fdd81e3d9e04' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-7e80e74c-3b5c-4acb-b4a5-fdd81e3d9e04' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-f95eac06-b6ac-4c46-ab67-b4efbe1aef15' class='xr-var-data-in' type='checkbox'><label for='data-f95eac06-b6ac-4c46-ab67-b4efbe1aef15' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-35a7d3dc-43c0-4f6e-b9af-497b84aa2149' class='xr-section-summary-in' type='checkbox'  ><label for='section-35a7d3dc-43c0-4f6e-b9af-497b84aa2149' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lat</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-aed2b5f6-1392-4e98-bdc6-4db0024c9580' class='xr-index-data-in' type='checkbox'/><label for='index-aed2b5f6-1392-4e98-bdc6-4db0024c9580' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([ -90.0, -88.75,  -87.5, -86.25,  -85.0, -83.75,  -82.5, -81.25,  -80.0,\n",
       "       -78.75,\n",
       "       ...\n",
       "        78.75,   80.0,  81.25,   82.5,  83.75,   85.0,  86.25,   87.5,  88.75,\n",
       "         90.0],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lat&#x27;, length=145))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-f74457ff-5e35-4346-bbdf-6d99835bc0bd' class='xr-section-summary-in' type='checkbox'  checked><label for='section-f74457ff-5e35-4346-bbdf-6d99835bc0bd' class='xr-section-summary' >Attributes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'lat_bnds' (lat: 145, bnds: 2)> Size: 2kB\n",
       "array([[-90.   , -89.375],\n",
       "       [-89.375, -88.125],\n",
       "       [-88.125, -86.875],\n",
       "       [-86.875, -85.625],\n",
       "       [-85.625, -84.375],\n",
       "       [-84.375, -83.125],\n",
       "       [-83.125, -81.875],\n",
       "       [-81.875, -80.625],\n",
       "       [-80.625, -79.375],\n",
       "       [-79.375, -78.125],\n",
       "       [-78.125, -76.875],\n",
       "       [-76.875, -75.625],\n",
       "       [-75.625, -74.375],\n",
       "       [-74.375, -73.125],\n",
       "       [-73.125, -71.875],\n",
       "       [-71.875, -70.625],\n",
       "       [-70.625, -69.375],\n",
       "       [-69.375, -68.125],\n",
       "       [-68.125, -66.875],\n",
       "       [-66.875, -65.625],\n",
       "...\n",
       "       [ 65.625,  66.875],\n",
       "       [ 66.875,  68.125],\n",
       "       [ 68.125,  69.375],\n",
       "       [ 69.375,  70.625],\n",
       "       [ 70.625,  71.875],\n",
       "       [ 71.875,  73.125],\n",
       "       [ 73.125,  74.375],\n",
       "       [ 74.375,  75.625],\n",
       "       [ 75.625,  76.875],\n",
       "       [ 76.875,  78.125],\n",
       "       [ 78.125,  79.375],\n",
       "       [ 79.375,  80.625],\n",
       "       [ 80.625,  81.875],\n",
       "       [ 81.875,  83.125],\n",
       "       [ 83.125,  84.375],\n",
       "       [ 84.375,  85.625],\n",
       "       [ 85.625,  86.875],\n",
       "       [ 86.875,  88.125],\n",
       "       [ 88.125,  89.375],\n",
       "       [ 89.375,  90.   ]])\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "    height   float64 8B ...\n",
       "Dimensions without coordinates: bnds\n",
       "Attributes:\n",
       "    xcdat_bounds:  True"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds6 = ds.drop_vars(\"lat_bnds\")\n",
    "ds6 = ds6.bounds.add_bounds(\"Y\")\n",
    "ds6.lat_bnds"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9c863354",
   "metadata": {},
   "source": [
    "## Add missing bounds for all axes supported by xcdat (X, Y, T, Z)\n",
    "\n",
    "- Related API: [xarray.Dataset.bounds.add_missing_bounds()](../generated/xarray.Dataset.bounds.add_missing_bounds.rst)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "c386886e",
   "metadata": {},
   "outputs": [],
   "source": [
    "# We drop the dataset axes bounds to demonstrate generating missing bounds.\n",
    "ds7 = ds.drop_vars([\"time_bnds\", \"lat_bnds\", \"lon_bnds\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "8c8114a5",
   "metadata": {},
   "outputs": [
    {
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       "\n",
       ".xr-section-summary > span {\n",
       "  display: inline-block;\n",
       "  padding-left: 0.5em;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:disabled + label {\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-section-summary-in + label:before {\n",
       "  display: inline-block;\n",
       "  content: \"►\";\n",
       "  font-size: 11px;\n",
       "  width: 15px;\n",
       "  text-align: center;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:disabled + label:before {\n",
       "  color: var(--xr-disabled-color);\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked + label:before {\n",
       "  content: \"▼\";\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked + label > span {\n",
       "  display: none;\n",
       "}\n",
       "\n",
       ".xr-section-summary,\n",
       ".xr-section-inline-details {\n",
       "  padding-top: 4px;\n",
       "  padding-bottom: 4px;\n",
       "}\n",
       "\n",
       ".xr-section-inline-details {\n",
       "  grid-column: 2 / -1;\n",
       "}\n",
       "\n",
       ".xr-section-details {\n",
       "  display: none;\n",
       "  grid-column: 1 / -1;\n",
       "  margin-bottom: 5px;\n",
       "}\n",
       "\n",
       ".xr-section-summary-in:checked ~ .xr-section-details {\n",
       "  display: contents;\n",
       "}\n",
       "\n",
       ".xr-array-wrap {\n",
       "  grid-column: 1 / -1;\n",
       "  display: grid;\n",
       "  grid-template-columns: 20px auto;\n",
       "}\n",
       "\n",
       ".xr-array-wrap > label {\n",
       "  grid-column: 1;\n",
       "  vertical-align: top;\n",
       "}\n",
       "\n",
       ".xr-preview {\n",
       "  color: var(--xr-font-color3);\n",
       "}\n",
       "\n",
       ".xr-array-preview,\n",
       ".xr-array-data {\n",
       "  padding: 0 5px !important;\n",
       "  grid-column: 2;\n",
       "}\n",
       "\n",
       ".xr-array-data,\n",
       ".xr-array-in:checked ~ .xr-array-preview {\n",
       "  display: none;\n",
       "}\n",
       "\n",
       ".xr-array-in:checked ~ .xr-array-data,\n",
       ".xr-array-preview {\n",
       "  display: inline-block;\n",
       "}\n",
       "\n",
       ".xr-dim-list {\n",
       "  display: inline-block !important;\n",
       "  list-style: none;\n",
       "  padding: 0 !important;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list li {\n",
       "  display: inline-block;\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list:before {\n",
       "  content: \"(\";\n",
       "}\n",
       "\n",
       ".xr-dim-list:after {\n",
       "  content: \")\";\n",
       "}\n",
       "\n",
       ".xr-dim-list li:not(:last-child):after {\n",
       "  content: \",\";\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-has-index {\n",
       "  font-weight: bold;\n",
       "}\n",
       "\n",
       ".xr-var-list,\n",
       ".xr-var-item {\n",
       "  display: contents;\n",
       "}\n",
       "\n",
       ".xr-var-item > div,\n",
       ".xr-var-item label,\n",
       ".xr-var-item > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-even);\n",
       "  margin-bottom: 0;\n",
       "}\n",
       "\n",
       ".xr-var-item > .xr-var-name:hover span {\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-var-list > li:nth-child(odd) > div,\n",
       ".xr-var-list > li:nth-child(odd) > label,\n",
       ".xr-var-list > li:nth-child(odd) > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-odd);\n",
       "}\n",
       "\n",
       ".xr-var-name {\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-var-dims {\n",
       "  grid-column: 2;\n",
       "}\n",
       "\n",
       ".xr-var-dtype {\n",
       "  grid-column: 3;\n",
       "  text-align: right;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-var-preview {\n",
       "  grid-column: 4;\n",
       "}\n",
       "\n",
       ".xr-index-preview {\n",
       "  grid-column: 2 / 5;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-var-name,\n",
       ".xr-var-dims,\n",
       ".xr-var-dtype,\n",
       ".xr-preview,\n",
       ".xr-attrs dt {\n",
       "  white-space: nowrap;\n",
       "  overflow: hidden;\n",
       "  text-overflow: ellipsis;\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-var-name:hover,\n",
       ".xr-var-dims:hover,\n",
       ".xr-var-dtype:hover,\n",
       ".xr-attrs dt:hover {\n",
       "  overflow: visible;\n",
       "  width: auto;\n",
       "  z-index: 1;\n",
       "}\n",
       "\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  display: none;\n",
       "  background-color: var(--xr-background-color) !important;\n",
       "  padding-bottom: 5px !important;\n",
       "}\n",
       "\n",
       ".xr-var-attrs-in:checked ~ .xr-var-attrs,\n",
       ".xr-var-data-in:checked ~ .xr-var-data,\n",
       ".xr-index-data-in:checked ~ .xr-index-data {\n",
       "  display: block;\n",
       "}\n",
       "\n",
       ".xr-var-data > table {\n",
       "  float: right;\n",
       "}\n",
       "\n",
       ".xr-var-name span,\n",
       ".xr-var-data,\n",
       ".xr-index-name div,\n",
       ".xr-index-data,\n",
       ".xr-attrs {\n",
       "  padding-left: 25px !important;\n",
       "}\n",
       "\n",
       ".xr-attrs,\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  grid-column: 1 / -1;\n",
       "}\n",
       "\n",
       "dl.xr-attrs {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  display: grid;\n",
       "  grid-template-columns: 125px auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt,\n",
       ".xr-attrs dd {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  float: left;\n",
       "  padding-right: 10px;\n",
       "  width: auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt {\n",
       "  font-weight: normal;\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-attrs dt:hover span {\n",
       "  display: inline-block;\n",
       "  background: var(--xr-background-color);\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-attrs dd {\n",
       "  grid-column: 2;\n",
       "  white-space: pre-wrap;\n",
       "  word-break: break-all;\n",
       "}\n",
       "\n",
       ".xr-icon-database,\n",
       ".xr-icon-file-text2,\n",
       ".xr-no-icon {\n",
       "  display: inline-block;\n",
       "  vertical-align: middle;\n",
       "  width: 1em;\n",
       "  height: 1.5em !important;\n",
       "  stroke-width: 0;\n",
       "  stroke: currentColor;\n",
       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt; Size: 7MB\n",
       "Dimensions:  (lat: 145, lon: 192, time: 60)\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "  * lon      (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 352.5 354.4 356.2 358.1\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Data variables:\n",
       "    tas      (time, lat, lon) float32 7MB dask.array&lt;chunksize=(1, 145, 192), meta=np.ndarray&gt;\n",
       "Attributes: (12/48)\n",
       "    Conventions:                     CF-1.7 CMIP-6.2\n",
       "    activity_id:                     CMIP\n",
       "    branch_method:                   standard\n",
       "    branch_time_in_child:            0.0\n",
       "    branch_time_in_parent:           87658.0\n",
       "    creation_date:                   2020-06-05T04:06:11Z\n",
       "    ...                              ...\n",
       "    variant_label:                   r10i1p1f1\n",
       "    version:                         v20200605\n",
       "    license:                         CMIP6 model data produced by CSIRO is li...\n",
       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-fe0a5722-e8a2-405a-a7d5-7ab0ff739eec' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-fe0a5722-e8a2-405a-a7d5-7ab0ff739eec' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>lat</span>: 145</li><li><span class='xr-has-index'>lon</span>: 192</li><li><span class='xr-has-index'>time</span>: 60</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-d9726f2c-a9e9-4417-885f-c9b569850b4b' class='xr-section-summary-in' type='checkbox'  checked><label for='section-d9726f2c-a9e9-4417-885f-c9b569850b4b' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lat</span></div><div class='xr-var-dims'>(lat)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -88.75 -87.5 ... 88.75 90.0</div><input id='attrs-16cc80bb-a446-4d8e-87ad-ca796270beff' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-16cc80bb-a446-4d8e-87ad-ca796270beff' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-40898a25-a79d-4ae4-9160-3bc1a12993c1' class='xr-var-data-in' type='checkbox'><label for='data-40898a25-a79d-4ae4-9160-3bc1a12993c1' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lon</span></div><div class='xr-var-dims'>(lon)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 1.875 3.75 ... 356.2 358.1</div><input id='attrs-cea18b17-20b5-4919-93e3-603160652e76' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-cea18b17-20b5-4919-93e3-603160652e76' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6d1d6f18-9dcc-4481-8d79-bd3ce58c2537' class='xr-var-data-in' type='checkbox'><label for='data-6d1d6f18-9dcc-4481-8d79-bd3ce58c2537' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-6b60b7bd-d381-4c8d-a45d-d07a14567ad4' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6b60b7bd-d381-4c8d-a45d-d07a14567ad4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-65fb70ea-3d86-4ada-adb9-a199ed6eff32' class='xr-var-data-in' type='checkbox'><label for='data-65fb70ea-3d86-4ada-adb9-a199ed6eff32' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1874-12-...</div><input id='attrs-f002c342-3aa5-4f70-bf5c-146d09811498' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f002c342-3aa5-4f70-bf5c-146d09811498' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3f2f98fd-eb86-4164-999f-fabd403840d8' class='xr-var-data-in' type='checkbox'><label for='data-3f2f98fd-eb86-4164-999f-fabd403840d8' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 2, 15, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 12, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-cd056a86-fb05-470c-9e2e-adfe656d6160' class='xr-section-summary-in' type='checkbox'  checked><label for='section-cd056a86-fb05-470c-9e2e-adfe656d6160' class='xr-section-summary' >Data variables: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>tas</span></div><div class='xr-var-dims'>(time, lat, lon)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 145, 192), meta=np.ndarray&gt;</div><input id='attrs-91c8af88-1302-4c76-a697-96ffe3de7e54' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-91c8af88-1302-4c76-a697-96ffe3de7e54' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0c1b2331-4dbc-4820-b172-5eae482014ad' class='xr-var-data-in' type='checkbox'><label for='data-0c1b2331-4dbc-4820-b172-5eae482014ad' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Near-Surface Air Temperature</dd><dt><span>comment :</span></dt><dd>near-surface (usually, 2 meter) air temperature</dd><dt><span>units :</span></dt><dd>K</dd><dt><span>cell_methods :</span></dt><dd>area: time: mean</dd><dt><span>cell_measures :</span></dt><dd>area: areacella</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:10Z altered by CMOR: Treated scalar dimension: &#x27;height&#x27;. 2020-06-05T04:06:10Z altered by CMOR: replaced missing value flag (-1.07374e+09) with standard missing value (1e+20).</dd><dt><span>_ChunkSizes :</span></dt><dd>[  1 145 192]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 6.37 MiB </td>\n",
       "                        <td> 108.75 kiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (60, 145, 192) </td>\n",
       "                        <td> (1, 145, 192) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 60 chunks in 2 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> float32 numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
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       "</table></div></li></ul></div></li><li class='xr-section-item'><input id='section-69b7467a-1ad2-4bb6-9075-25dfc52bf24c' class='xr-section-summary-in' type='checkbox'  ><label for='section-69b7467a-1ad2-4bb6-9075-25dfc52bf24c' class='xr-section-summary' >Indexes: <span>(3)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lat</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-12d1970d-3bb9-4380-8929-a17323649b0d' class='xr-index-data-in' type='checkbox'/><label for='index-12d1970d-3bb9-4380-8929-a17323649b0d' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([ -90.0, -88.75,  -87.5, -86.25,  -85.0, -83.75,  -82.5, -81.25,  -80.0,\n",
       "       -78.75,\n",
       "       ...\n",
       "        78.75,   80.0,  81.25,   82.5,  83.75,   85.0,  86.25,   87.5,  88.75,\n",
       "         90.0],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lat&#x27;, length=145))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>lon</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-d6e99446-91ae-4d2e-9179-2e858f3caaf2' class='xr-index-data-in' type='checkbox'/><label for='index-d6e99446-91ae-4d2e-9179-2e858f3caaf2' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([    0.0,   1.875,    3.75,   5.625,     7.5,   9.375,   11.25,  13.125,\n",
       "          15.0,  16.875,\n",
       "       ...\n",
       "        341.25, 343.125,   345.0, 346.875,  348.75, 350.625,   352.5, 354.375,\n",
       "        356.25, 358.125],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lon&#x27;, length=192))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-3b2aa421-7ced-467d-ba18-0b3559819f85' class='xr-index-data-in' type='checkbox'/><label for='index-3b2aa421-7ced-467d-ba18-0b3559819f85' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00, 1870-11-16 00:00:00, 1870-12-16 12:00:00,\n",
       "             1871-01-16 12:00:00, 1871-02-15 00:00:00, 1871-03-16 12:00:00,\n",
       "             1871-04-16 00:00:00, 1871-05-16 12:00:00, 1871-06-16 00:00:00,\n",
       "             1871-07-16 12:00:00, 1871-08-16 12:00:00, 1871-09-16 00:00:00,\n",
       "             1871-10-16 12:00:00, 1871-11-16 00:00:00, 1871-12-16 12:00:00,\n",
       "             1872-01-16 12:00:00, 1872-02-15 12:00:00, 1872-03-16 12:00:00,\n",
       "             1872-04-16 00:00:00, 1872-05-16 12:00:00, 1872-06-16 00:00:00,\n",
       "             1872-07-16 12:00:00, 1872-08-16 12:00:00, 1872-09-16 00:00:00,\n",
       "             1872-10-16 12:00:00, 1872-11-16 00:00:00, 1872-12-16 12:00:00,\n",
       "             1873-01-16 12:00:00, 1873-02-15 00:00:00, 1873-03-16 12:00:00,\n",
       "             1873-04-16 00:00:00, 1873-05-16 12:00:00, 1873-06-16 00:00:00,\n",
       "             1873-07-16 12:00:00, 1873-08-16 12:00:00, 1873-09-16 00:00:00,\n",
       "             1873-10-16 12:00:00, 1873-11-16 00:00:00, 1873-12-16 12:00:00,\n",
       "             1874-01-16 12:00:00, 1874-02-15 00:00:00, 1874-03-16 12:00:00,\n",
       "             1874-04-16 00:00:00, 1874-05-16 12:00:00, 1874-06-16 00:00:00,\n",
       "             1874-07-16 12:00:00, 1874-08-16 12:00:00, 1874-09-16 00:00:00,\n",
       "             1874-10-16 12:00:00, 1874-11-16 00:00:00, 1874-12-16 12:00:00],\n",
       "            dtype=&#x27;object&#x27;,\n",
       "            length=60,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-132e168a-116d-4d1c-9d30-e90577556605' class='xr-section-summary-in' type='checkbox'  ><label for='section-132e168a-116d-4d1c-9d30-e90577556605' class='xr-section-summary' >Attributes: <span>(48)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.7 CMIP-6.2</dd><dt><span>activity_id :</span></dt><dd>CMIP</dd><dt><span>branch_method :</span></dt><dd>standard</dd><dt><span>branch_time_in_child :</span></dt><dd>0.0</dd><dt><span>branch_time_in_parent :</span></dt><dd>87658.0</dd><dt><span>creation_date :</span></dt><dd>2020-06-05T04:06:11Z</dd><dt><span>data_specs_version :</span></dt><dd>01.00.30</dd><dt><span>experiment :</span></dt><dd>all-forcing simulation of the recent past</dd><dt><span>experiment_id :</span></dt><dd>historical</dd><dt><span>external_variables :</span></dt><dd>areacella</dd><dt><span>forcing_index :</span></dt><dd>1</dd><dt><span>frequency :</span></dt><dd>mon</dd><dt><span>further_info_url :</span></dt><dd>https://furtherinfo.es-doc.org/CMIP6.CSIRO.ACCESS-ESM1-5.historical.none.r10i1p1f1</dd><dt><span>grid :</span></dt><dd>native atmosphere N96 grid (145x192 latxlon)</dd><dt><span>grid_label :</span></dt><dd>gn</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:11Z ; CMOR rewrote data to be consistent with CMIP6, CF-1.7 CMIP-6.2 and CF standards.</dd><dt><span>initialization_index :</span></dt><dd>1</dd><dt><span>institution :</span></dt><dd>Commonwealth Scientific and Industrial Research Organisation, Aspendale, Victoria 3195, Australia</dd><dt><span>institution_id :</span></dt><dd>CSIRO</dd><dt><span>mip_era :</span></dt><dd>CMIP6</dd><dt><span>nominal_resolution :</span></dt><dd>250 km</dd><dt><span>notes :</span></dt><dd>Exp: ESM-historical; Local ID: HI-14; Variable: tas ([&#x27;fld_s03i236&#x27;])</dd><dt><span>parent_activity_id :</span></dt><dd>CMIP</dd><dt><span>parent_experiment_id :</span></dt><dd>piControl</dd><dt><span>parent_mip_era :</span></dt><dd>CMIP6</dd><dt><span>parent_source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>parent_time_units :</span></dt><dd>days since 0101-1-1</dd><dt><span>parent_variant_label :</span></dt><dd>r1i1p1f1</dd><dt><span>physics_index :</span></dt><dd>1</dd><dt><span>product :</span></dt><dd>model-output</dd><dt><span>realization_index :</span></dt><dd>10</dd><dt><span>realm :</span></dt><dd>atmos</dd><dt><span>run_variant :</span></dt><dd>forcing: GHG, Oz, SA, Sl, Vl, BC, OC, (GHG = CO2, N2O, CH4, CFC11, CFC12, CFC113, HCFC22, HFC125, HFC134a)</dd><dt><span>source :</span></dt><dd>ACCESS-ESM1.5 (2019): \n",
       "aerosol: CLASSIC (v1.0)\n",
       "atmos: HadGAM2 (r1.1, N96; 192 x 145 longitude/latitude; 38 levels; top level 39255 m)\n",
       "atmosChem: none\n",
       "land: CABLE2.4\n",
       "landIce: none\n",
       "ocean: ACCESS-OM2 (MOM5, tripolar primarily 1deg; 360 x 300 longitude/latitude; 50 levels; top grid cell 0-10 m)\n",
       "ocnBgchem: WOMBAT (same grid as ocean)\n",
       "seaIce: CICE4.1 (same grid as ocean)</dd><dt><span>source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>source_type :</span></dt><dd>AOGCM</dd><dt><span>sub_experiment :</span></dt><dd>none</dd><dt><span>sub_experiment_id :</span></dt><dd>none</dd><dt><span>table_id :</span></dt><dd>Amon</dd><dt><span>table_info :</span></dt><dd>Creation Date:(30 April 2019) MD5:5bd755e94c2173cb3050a0f3480f60c4</dd><dt><span>title :</span></dt><dd>ACCESS-ESM1-5 output prepared for CMIP6</dd><dt><span>variable_id :</span></dt><dd>tas</dd><dt><span>variant_label :</span></dt><dd>r10i1p1f1</dd><dt><span>version :</span></dt><dd>v20200605</dd><dt><span>license :</span></dt><dd>CMIP6 model data produced by CSIRO is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (https://creativecommons.org/licenses/). Consult https://pcmdi.llnl.gov/CMIP6/TermsOfUse for terms of use governing CMIP6 output, including citation requirements and proper acknowledgment.  Further information about this data, including some limitations, can be found via the further_info_url (recorded as a global attribute in this file). The data producers and data providers make no warranty, either express or implied, including, but not limited to, warranties of merchantability and fitness for a particular purpose. All liabilities arising from the supply of the information (including any liability arising in negligence) are excluded to the fullest extent permitted by law.</dd><dt><span>cmor_version :</span></dt><dd>3.4.0</dd><dt><span>tracking_id :</span></dt><dd>hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f29eb467cd1</dd><dt><span>DODS_EXTRA.Unlimited_Dimension :</span></dt><dd>time</dd></dl></div></li></ul></div></div>"
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       "<xarray.Dataset> Size: 7MB\n",
       "Dimensions:  (lat: 145, lon: 192, time: 60)\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "  * lon      (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 352.5 354.4 356.2 358.1\n",
       "    height   float64 8B ...\n",
       "  * time     (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Data variables:\n",
       "    tas      (time, lat, lon) float32 7MB dask.array<chunksize=(1, 145, 192), meta=np.ndarray>\n",
       "Attributes: (12/48)\n",
       "    Conventions:                     CF-1.7 CMIP-6.2\n",
       "    activity_id:                     CMIP\n",
       "    branch_method:                   standard\n",
       "    branch_time_in_child:            0.0\n",
       "    branch_time_in_parent:           87658.0\n",
       "    creation_date:                   2020-06-05T04:06:11Z\n",
       "    ...                              ...\n",
       "    variant_label:                   r10i1p1f1\n",
       "    version:                         v20200605\n",
       "    license:                         CMIP6 model data produced by CSIRO is li...\n",
       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds7"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "229a1e4a",
   "metadata": {},
   "outputs": [
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       "Dimensions without coordinates: bnds\n",
       "Data variables:\n",
       "    tas        (time, lat, lon) float32 7MB dask.array&lt;chunksize=(1, 145, 192), meta=np.ndarray&gt;\n",
       "    lon_bnds   (lon, bnds) float64 3kB -0.9375 0.9375 0.9375 ... 357.2 359.1\n",
       "    lat_bnds   (lat, bnds) float64 2kB -90.0 -89.38 -89.38 ... 89.38 89.38 90.0\n",
       "    time_bnds  (time, bnds) object 960B 1870-01-01 00:00:00 ... 1875-01-01 00...\n",
       "Attributes: (12/48)\n",
       "    Conventions:                     CF-1.7 CMIP-6.2\n",
       "    activity_id:                     CMIP\n",
       "    branch_method:                   standard\n",
       "    branch_time_in_child:            0.0\n",
       "    branch_time_in_parent:           87658.0\n",
       "    creation_date:                   2020-06-05T04:06:11Z\n",
       "    ...                              ...\n",
       "    variant_label:                   r10i1p1f1\n",
       "    version:                         v20200605\n",
       "    license:                         CMIP6 model data produced by CSIRO is li...\n",
       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-415770c5-f395-43ac-87a8-c29c9edb02a1' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-415770c5-f395-43ac-87a8-c29c9edb02a1' class='xr-section-summary'  title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>lat</span>: 145</li><li><span class='xr-has-index'>lon</span>: 192</li><li><span class='xr-has-index'>time</span>: 60</li><li><span>bnds</span>: 2</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-50efef28-5ae5-4d60-a549-3b59e1c52f58' class='xr-section-summary-in' type='checkbox'  checked><label for='section-50efef28-5ae5-4d60-a549-3b59e1c52f58' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lat</span></div><div class='xr-var-dims'>(lat)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -88.75 -87.5 ... 88.75 90.0</div><input id='attrs-f62c6bf7-93be-4295-abcf-548c61825258' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f62c6bf7-93be-4295-abcf-548c61825258' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ca786485-4566-4f5e-8ec0-924d12af1965' class='xr-var-data-in' type='checkbox'><label for='data-ca786485-4566-4f5e-8ec0-924d12af1965' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lon</span></div><div class='xr-var-dims'>(lon)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>0.0 1.875 3.75 ... 356.2 358.1</div><input id='attrs-5fc070f0-3878-4937-b594-03556a1857b0' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-5fc070f0-3878-4937-b594-03556a1857b0' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-29593d0a-d131-4944-b568-9a8bd0264378' class='xr-var-data-in' type='checkbox'><label for='data-29593d0a-d131-4944-b568-9a8bd0264378' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lon_bnds</dd><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd></dl></div><div class='xr-var-data'><pre>array([  0.   ,   1.875,   3.75 ,   5.625,   7.5  ,   9.375,  11.25 ,  13.125,\n",
       "        15.   ,  16.875,  18.75 ,  20.625,  22.5  ,  24.375,  26.25 ,  28.125,\n",
       "        30.   ,  31.875,  33.75 ,  35.625,  37.5  ,  39.375,  41.25 ,  43.125,\n",
       "        45.   ,  46.875,  48.75 ,  50.625,  52.5  ,  54.375,  56.25 ,  58.125,\n",
       "        60.   ,  61.875,  63.75 ,  65.625,  67.5  ,  69.375,  71.25 ,  73.125,\n",
       "        75.   ,  76.875,  78.75 ,  80.625,  82.5  ,  84.375,  86.25 ,  88.125,\n",
       "        90.   ,  91.875,  93.75 ,  95.625,  97.5  ,  99.375, 101.25 , 103.125,\n",
       "       105.   , 106.875, 108.75 , 110.625, 112.5  , 114.375, 116.25 , 118.125,\n",
       "       120.   , 121.875, 123.75 , 125.625, 127.5  , 129.375, 131.25 , 133.125,\n",
       "       135.   , 136.875, 138.75 , 140.625, 142.5  , 144.375, 146.25 , 148.125,\n",
       "       150.   , 151.875, 153.75 , 155.625, 157.5  , 159.375, 161.25 , 163.125,\n",
       "       165.   , 166.875, 168.75 , 170.625, 172.5  , 174.375, 176.25 , 178.125,\n",
       "       180.   , 181.875, 183.75 , 185.625, 187.5  , 189.375, 191.25 , 193.125,\n",
       "       195.   , 196.875, 198.75 , 200.625, 202.5  , 204.375, 206.25 , 208.125,\n",
       "       210.   , 211.875, 213.75 , 215.625, 217.5  , 219.375, 221.25 , 223.125,\n",
       "       225.   , 226.875, 228.75 , 230.625, 232.5  , 234.375, 236.25 , 238.125,\n",
       "       240.   , 241.875, 243.75 , 245.625, 247.5  , 249.375, 251.25 , 253.125,\n",
       "       255.   , 256.875, 258.75 , 260.625, 262.5  , 264.375, 266.25 , 268.125,\n",
       "       270.   , 271.875, 273.75 , 275.625, 277.5  , 279.375, 281.25 , 283.125,\n",
       "       285.   , 286.875, 288.75 , 290.625, 292.5  , 294.375, 296.25 , 298.125,\n",
       "       300.   , 301.875, 303.75 , 305.625, 307.5  , 309.375, 311.25 , 313.125,\n",
       "       315.   , 316.875, 318.75 , 320.625, 322.5  , 324.375, 326.25 , 328.125,\n",
       "       330.   , 331.875, 333.75 , 335.625, 337.5  , 339.375, 341.25 , 343.125,\n",
       "       345.   , 346.875, 348.75 , 350.625, 352.5  , 354.375, 356.25 , 358.125])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-46d7912e-39bf-4aa9-becc-28df8bfbccc7' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-46d7912e-39bf-4aa9-becc-28df8bfbccc7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-6c4c4599-a06b-493c-b337-be1056b3a70f' class='xr-var-data-in' type='checkbox'><label for='data-6c4c4599-a06b-493c-b337-be1056b3a70f' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-16 12:00:00 ... 1874-12-...</div><input id='attrs-0669fe86-7440-4dc9-8654-53a70a6bbe69' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-0669fe86-7440-4dc9-8654-53a70a6bbe69' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-e0e1966a-b0bf-4bcc-8345-924ff288e930' class='xr-var-data-in' type='checkbox'><label for='data-e0e1966a-b0bf-4bcc-8345-924ff288e930' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>time_bnds</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>long_name :</span></dt><dd>time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>_ChunkSizes :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([cftime.DatetimeProlepticGregorian(1870, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1870, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1871, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 2, 15, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1872, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1873, 12, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 1, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 2, 15, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 3, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 4, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 5, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 6, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 7, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 8, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 9, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 10, 16, 12, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 11, 16, 0, 0, 0, 0, has_year_zero=True),\n",
       "       cftime.DatetimeProlepticGregorian(1874, 12, 16, 12, 0, 0, 0, has_year_zero=True)],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-dfecb401-cb1e-440c-bf9f-9d503d23e17c' class='xr-section-summary-in' type='checkbox'  checked><label for='section-dfecb401-cb1e-440c-bf9f-9d503d23e17c' class='xr-section-summary' >Data variables: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>tas</span></div><div class='xr-var-dims'>(time, lat, lon)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>dask.array&lt;chunksize=(1, 145, 192), meta=np.ndarray&gt;</div><input id='attrs-e8b789f1-39b9-41e8-a2d9-97b82d1793a5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e8b789f1-39b9-41e8-a2d9-97b82d1793a5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-19814df8-b8ac-4e2c-b860-71d757c2a777' class='xr-var-data-in' type='checkbox'><label for='data-19814df8-b8ac-4e2c-b860-71d757c2a777' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>air_temperature</dd><dt><span>long_name :</span></dt><dd>Near-Surface Air Temperature</dd><dt><span>comment :</span></dt><dd>near-surface (usually, 2 meter) air temperature</dd><dt><span>units :</span></dt><dd>K</dd><dt><span>cell_methods :</span></dt><dd>area: time: mean</dd><dt><span>cell_measures :</span></dt><dd>area: areacella</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:10Z altered by CMOR: Treated scalar dimension: &#x27;height&#x27;. 2020-06-05T04:06:10Z altered by CMOR: replaced missing value flag (-1.07374e+09) with standard missing value (1e+20).</dd><dt><span>_ChunkSizes :</span></dt><dd>[  1 145 192]</dd></dl></div><div class='xr-var-data'><table>\n",
       "    <tr>\n",
       "        <td>\n",
       "            <table style=\"border-collapse: collapse;\">\n",
       "                <thead>\n",
       "                    <tr>\n",
       "                        <td> </td>\n",
       "                        <th> Array </th>\n",
       "                        <th> Chunk </th>\n",
       "                    </tr>\n",
       "                </thead>\n",
       "                <tbody>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Bytes </th>\n",
       "                        <td> 6.37 MiB </td>\n",
       "                        <td> 108.75 kiB </td>\n",
       "                    </tr>\n",
       "                    \n",
       "                    <tr>\n",
       "                        <th> Shape </th>\n",
       "                        <td> (60, 145, 192) </td>\n",
       "                        <td> (1, 145, 192) </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Dask graph </th>\n",
       "                        <td colspan=\"2\"> 60 chunks in 2 graph layers </td>\n",
       "                    </tr>\n",
       "                    <tr>\n",
       "                        <th> Data type </th>\n",
       "                        <td colspan=\"2\"> float32 numpy.ndarray </td>\n",
       "                    </tr>\n",
       "                </tbody>\n",
       "            </table>\n",
       "        </td>\n",
       "        <td>\n",
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       "  <line x1=\"35\" y1=\"25\" x2=\"35\" y2=\"116\" style=\"stroke-width:2\" />\n",
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       "  <text x=\"12.846974\" y=\"123.471974\" font-size=\"1.0rem\" font-weight=\"100\" text-anchor=\"middle\" transform=\"rotate(45,12.846974,123.471974)\">60</text>\n",
       "</svg>\n",
       "        </td>\n",
       "    </tr>\n",
       "</table></div></li><li class='xr-var-item'><div class='xr-var-name'><span>lon_bnds</span></div><div class='xr-var-dims'>(lon, bnds)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-0.9375 0.9375 ... 357.2 359.1</div><input id='attrs-3d9db7d9-3030-4564-a772-e6336d7face1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-3d9db7d9-3030-4564-a772-e6336d7face1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-39d4e6d7-9c0f-4d7c-b6b9-eb7553dbda98' class='xr-var-data-in' type='checkbox'><label for='data-39d4e6d7-9c0f-4d7c-b6b9-eb7553dbda98' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div><div class='xr-var-data'><pre>array([[ -0.9375,   0.9375],\n",
       "       [  0.9375,   2.8125],\n",
       "       [  2.8125,   4.6875],\n",
       "       [  4.6875,   6.5625],\n",
       "       [  6.5625,   8.4375],\n",
       "       [  8.4375,  10.3125],\n",
       "       [ 10.3125,  12.1875],\n",
       "       [ 12.1875,  14.0625],\n",
       "       [ 14.0625,  15.9375],\n",
       "       [ 15.9375,  17.8125],\n",
       "       [ 17.8125,  19.6875],\n",
       "       [ 19.6875,  21.5625],\n",
       "       [ 21.5625,  23.4375],\n",
       "       [ 23.4375,  25.3125],\n",
       "       [ 25.3125,  27.1875],\n",
       "       [ 27.1875,  29.0625],\n",
       "       [ 29.0625,  30.9375],\n",
       "       [ 30.9375,  32.8125],\n",
       "       [ 32.8125,  34.6875],\n",
       "       [ 34.6875,  36.5625],\n",
       "...\n",
       "       [321.5625, 323.4375],\n",
       "       [323.4375, 325.3125],\n",
       "       [325.3125, 327.1875],\n",
       "       [327.1875, 329.0625],\n",
       "       [329.0625, 330.9375],\n",
       "       [330.9375, 332.8125],\n",
       "       [332.8125, 334.6875],\n",
       "       [334.6875, 336.5625],\n",
       "       [336.5625, 338.4375],\n",
       "       [338.4375, 340.3125],\n",
       "       [340.3125, 342.1875],\n",
       "       [342.1875, 344.0625],\n",
       "       [344.0625, 345.9375],\n",
       "       [345.9375, 347.8125],\n",
       "       [347.8125, 349.6875],\n",
       "       [349.6875, 351.5625],\n",
       "       [351.5625, 353.4375],\n",
       "       [353.4375, 355.3125],\n",
       "       [355.3125, 357.1875],\n",
       "       [357.1875, 359.0625]])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>lat_bnds</span></div><div class='xr-var-dims'>(lat, bnds)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -89.38 -89.38 ... 89.38 90.0</div><input id='attrs-39fbeb97-1b60-44f3-b66b-6d4eecbba31d' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-39fbeb97-1b60-44f3-b66b-6d4eecbba31d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9baa9be0-a650-4cad-8883-7bc573a43b19' class='xr-var-data-in' type='checkbox'><label for='data-9baa9be0-a650-4cad-8883-7bc573a43b19' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div><div class='xr-var-data'><pre>array([[-90.   , -89.375],\n",
       "       [-89.375, -88.125],\n",
       "       [-88.125, -86.875],\n",
       "       [-86.875, -85.625],\n",
       "       [-85.625, -84.375],\n",
       "       [-84.375, -83.125],\n",
       "       [-83.125, -81.875],\n",
       "       [-81.875, -80.625],\n",
       "       [-80.625, -79.375],\n",
       "       [-79.375, -78.125],\n",
       "       [-78.125, -76.875],\n",
       "       [-76.875, -75.625],\n",
       "       [-75.625, -74.375],\n",
       "       [-74.375, -73.125],\n",
       "       [-73.125, -71.875],\n",
       "       [-71.875, -70.625],\n",
       "       [-70.625, -69.375],\n",
       "       [-69.375, -68.125],\n",
       "       [-68.125, -66.875],\n",
       "       [-66.875, -65.625],\n",
       "...\n",
       "       [ 65.625,  66.875],\n",
       "       [ 66.875,  68.125],\n",
       "       [ 68.125,  69.375],\n",
       "       [ 69.375,  70.625],\n",
       "       [ 70.625,  71.875],\n",
       "       [ 71.875,  73.125],\n",
       "       [ 73.125,  74.375],\n",
       "       [ 74.375,  75.625],\n",
       "       [ 75.625,  76.875],\n",
       "       [ 76.875,  78.125],\n",
       "       [ 78.125,  79.375],\n",
       "       [ 79.375,  80.625],\n",
       "       [ 80.625,  81.875],\n",
       "       [ 81.875,  83.125],\n",
       "       [ 83.125,  84.375],\n",
       "       [ 84.375,  85.625],\n",
       "       [ 85.625,  86.875],\n",
       "       [ 86.875,  88.125],\n",
       "       [ 88.125,  89.375],\n",
       "       [ 89.375,  90.   ]])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>time_bnds</span></div><div class='xr-var-dims'>(time, bnds)</div><div class='xr-var-dtype'>object</div><div class='xr-var-preview xr-preview'>1870-01-01 00:00:00 ... 1875-01-...</div><input id='attrs-dd5bcc7c-043e-4b3d-b5be-b78507fb0b0a' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-dd5bcc7c-043e-4b3d-b5be-b78507fb0b0a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-bdfaacad-fd02-4379-968c-57f2e3194ff3' class='xr-var-data-in' type='checkbox'><label for='data-bdfaacad-fd02-4379-968c-57f2e3194ff3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>xcdat_bounds :</span></dt><dd>True</dd></dl></div><div class='xr-var-data'><pre>array([[cftime.DatetimeProlepticGregorian(1870, 1, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 2, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 3, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1870, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1870, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "...\n",
       "        cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 4, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 5, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 6, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 7, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 8, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 9, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 10, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 11, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True)],\n",
       "       [cftime.DatetimeProlepticGregorian(1874, 12, 1, 0, 0, 0, 0, has_year_zero=True),\n",
       "        cftime.DatetimeProlepticGregorian(1875, 1, 1, 0, 0, 0, 0, has_year_zero=True)]],\n",
       "      dtype=object)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-dc19b2d1-90ec-4661-b6d0-e22311347ef5' class='xr-section-summary-in' type='checkbox'  ><label for='section-dc19b2d1-90ec-4661-b6d0-e22311347ef5' class='xr-section-summary' >Indexes: <span>(3)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lat</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-746fde1a-0544-4db6-9252-0193d7632edb' class='xr-index-data-in' type='checkbox'/><label for='index-746fde1a-0544-4db6-9252-0193d7632edb' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([ -90.0, -88.75,  -87.5, -86.25,  -85.0, -83.75,  -82.5, -81.25,  -80.0,\n",
       "       -78.75,\n",
       "       ...\n",
       "        78.75,   80.0,  81.25,   82.5,  83.75,   85.0,  86.25,   87.5,  88.75,\n",
       "         90.0],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lat&#x27;, length=145))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>lon</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-e8e04e1c-1d00-4c20-be86-0e90c1bd23ca' class='xr-index-data-in' type='checkbox'/><label for='index-e8e04e1c-1d00-4c20-be86-0e90c1bd23ca' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([    0.0,   1.875,    3.75,   5.625,     7.5,   9.375,   11.25,  13.125,\n",
       "          15.0,  16.875,\n",
       "       ...\n",
       "        341.25, 343.125,   345.0, 346.875,  348.75, 350.625,   352.5, 354.375,\n",
       "        356.25, 358.125],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lon&#x27;, length=192))</pre></div></li><li class='xr-var-item'><div class='xr-index-name'><div>time</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-90514335-4863-4b13-9ca3-185e27fdd899' class='xr-index-data-in' type='checkbox'/><label for='index-90514335-4863-4b13-9ca3-185e27fdd899' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(CFTimeIndex([1870-01-16 12:00:00, 1870-02-15 00:00:00, 1870-03-16 12:00:00,\n",
       "             1870-04-16 00:00:00, 1870-05-16 12:00:00, 1870-06-16 00:00:00,\n",
       "             1870-07-16 12:00:00, 1870-08-16 12:00:00, 1870-09-16 00:00:00,\n",
       "             1870-10-16 12:00:00, 1870-11-16 00:00:00, 1870-12-16 12:00:00,\n",
       "             1871-01-16 12:00:00, 1871-02-15 00:00:00, 1871-03-16 12:00:00,\n",
       "             1871-04-16 00:00:00, 1871-05-16 12:00:00, 1871-06-16 00:00:00,\n",
       "             1871-07-16 12:00:00, 1871-08-16 12:00:00, 1871-09-16 00:00:00,\n",
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       "            dtype=&#x27;object&#x27;,\n",
       "            length=60,\n",
       "            calendar=&#x27;proleptic_gregorian&#x27;,\n",
       "            freq=None))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-32d2b5be-1721-450a-96a9-25af0e8a6ab7' class='xr-section-summary-in' type='checkbox'  ><label for='section-32d2b5be-1721-450a-96a9-25af0e8a6ab7' class='xr-section-summary' >Attributes: <span>(48)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>Conventions :</span></dt><dd>CF-1.7 CMIP-6.2</dd><dt><span>activity_id :</span></dt><dd>CMIP</dd><dt><span>branch_method :</span></dt><dd>standard</dd><dt><span>branch_time_in_child :</span></dt><dd>0.0</dd><dt><span>branch_time_in_parent :</span></dt><dd>87658.0</dd><dt><span>creation_date :</span></dt><dd>2020-06-05T04:06:11Z</dd><dt><span>data_specs_version :</span></dt><dd>01.00.30</dd><dt><span>experiment :</span></dt><dd>all-forcing simulation of the recent past</dd><dt><span>experiment_id :</span></dt><dd>historical</dd><dt><span>external_variables :</span></dt><dd>areacella</dd><dt><span>forcing_index :</span></dt><dd>1</dd><dt><span>frequency :</span></dt><dd>mon</dd><dt><span>further_info_url :</span></dt><dd>https://furtherinfo.es-doc.org/CMIP6.CSIRO.ACCESS-ESM1-5.historical.none.r10i1p1f1</dd><dt><span>grid :</span></dt><dd>native atmosphere N96 grid (145x192 latxlon)</dd><dt><span>grid_label :</span></dt><dd>gn</dd><dt><span>history :</span></dt><dd>2020-06-05T04:06:11Z ; CMOR rewrote data to be consistent with CMIP6, CF-1.7 CMIP-6.2 and CF standards.</dd><dt><span>initialization_index :</span></dt><dd>1</dd><dt><span>institution :</span></dt><dd>Commonwealth Scientific and Industrial Research Organisation, Aspendale, Victoria 3195, Australia</dd><dt><span>institution_id :</span></dt><dd>CSIRO</dd><dt><span>mip_era :</span></dt><dd>CMIP6</dd><dt><span>nominal_resolution :</span></dt><dd>250 km</dd><dt><span>notes :</span></dt><dd>Exp: ESM-historical; Local ID: HI-14; Variable: tas ([&#x27;fld_s03i236&#x27;])</dd><dt><span>parent_activity_id :</span></dt><dd>CMIP</dd><dt><span>parent_experiment_id :</span></dt><dd>piControl</dd><dt><span>parent_mip_era :</span></dt><dd>CMIP6</dd><dt><span>parent_source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>parent_time_units :</span></dt><dd>days since 0101-1-1</dd><dt><span>parent_variant_label :</span></dt><dd>r1i1p1f1</dd><dt><span>physics_index :</span></dt><dd>1</dd><dt><span>product :</span></dt><dd>model-output</dd><dt><span>realization_index :</span></dt><dd>10</dd><dt><span>realm :</span></dt><dd>atmos</dd><dt><span>run_variant :</span></dt><dd>forcing: GHG, Oz, SA, Sl, Vl, BC, OC, (GHG = CO2, N2O, CH4, CFC11, CFC12, CFC113, HCFC22, HFC125, HFC134a)</dd><dt><span>source :</span></dt><dd>ACCESS-ESM1.5 (2019): \n",
       "aerosol: CLASSIC (v1.0)\n",
       "atmos: HadGAM2 (r1.1, N96; 192 x 145 longitude/latitude; 38 levels; top level 39255 m)\n",
       "atmosChem: none\n",
       "land: CABLE2.4\n",
       "landIce: none\n",
       "ocean: ACCESS-OM2 (MOM5, tripolar primarily 1deg; 360 x 300 longitude/latitude; 50 levels; top grid cell 0-10 m)\n",
       "ocnBgchem: WOMBAT (same grid as ocean)\n",
       "seaIce: CICE4.1 (same grid as ocean)</dd><dt><span>source_id :</span></dt><dd>ACCESS-ESM1-5</dd><dt><span>source_type :</span></dt><dd>AOGCM</dd><dt><span>sub_experiment :</span></dt><dd>none</dd><dt><span>sub_experiment_id :</span></dt><dd>none</dd><dt><span>table_id :</span></dt><dd>Amon</dd><dt><span>table_info :</span></dt><dd>Creation Date:(30 April 2019) MD5:5bd755e94c2173cb3050a0f3480f60c4</dd><dt><span>title :</span></dt><dd>ACCESS-ESM1-5 output prepared for CMIP6</dd><dt><span>variable_id :</span></dt><dd>tas</dd><dt><span>variant_label :</span></dt><dd>r10i1p1f1</dd><dt><span>version :</span></dt><dd>v20200605</dd><dt><span>license :</span></dt><dd>CMIP6 model data produced by CSIRO is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (https://creativecommons.org/licenses/). Consult https://pcmdi.llnl.gov/CMIP6/TermsOfUse for terms of use governing CMIP6 output, including citation requirements and proper acknowledgment.  Further information about this data, including some limitations, can be found via the further_info_url (recorded as a global attribute in this file). The data producers and data providers make no warranty, either express or implied, including, but not limited to, warranties of merchantability and fitness for a particular purpose. All liabilities arising from the supply of the information (including any liability arising in negligence) are excluded to the fullest extent permitted by law.</dd><dt><span>cmor_version :</span></dt><dd>3.4.0</dd><dt><span>tracking_id :</span></dt><dd>hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f29eb467cd1</dd><dt><span>DODS_EXTRA.Unlimited_Dimension :</span></dt><dd>time</dd></dl></div></li></ul></div></div>"
      ],
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       "<xarray.Dataset> Size: 7MB\n",
       "Dimensions:    (lat: 145, lon: 192, time: 60, bnds: 2)\n",
       "Coordinates:\n",
       "  * lat        (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "  * lon        (lon) float64 2kB 0.0 1.875 3.75 5.625 ... 354.4 356.2 358.1\n",
       "    height     float64 8B ...\n",
       "  * time       (time) object 480B 1870-01-16 12:00:00 ... 1874-12-16 12:00:00\n",
       "Dimensions without coordinates: bnds\n",
       "Data variables:\n",
       "    tas        (time, lat, lon) float32 7MB dask.array<chunksize=(1, 145, 192), meta=np.ndarray>\n",
       "    lon_bnds   (lon, bnds) float64 3kB -0.9375 0.9375 0.9375 ... 357.2 359.1\n",
       "    lat_bnds   (lat, bnds) float64 2kB -90.0 -89.38 -89.38 ... 89.38 89.38 90.0\n",
       "    time_bnds  (time, bnds) object 960B 1870-01-01 00:00:00 ... 1875-01-01 00...\n",
       "Attributes: (12/48)\n",
       "    Conventions:                     CF-1.7 CMIP-6.2\n",
       "    activity_id:                     CMIP\n",
       "    branch_method:                   standard\n",
       "    branch_time_in_child:            0.0\n",
       "    branch_time_in_parent:           87658.0\n",
       "    creation_date:                   2020-06-05T04:06:11Z\n",
       "    ...                              ...\n",
       "    variant_label:                   r10i1p1f1\n",
       "    version:                         v20200605\n",
       "    license:                         CMIP6 model data produced by CSIRO is li...\n",
       "    cmor_version:                    3.4.0\n",
       "    tracking_id:                     hdl:21.14100/af78ae5e-f3a6-4e99-8cfe-5f2...\n",
       "    DODS_EXTRA.Unlimited_Dimension:  time"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# add now-missing bounds\n",
    "ds7 = ds7.bounds.add_missing_bounds([\"X\", \"Y\", \"T\"])\n",
    "# print dataset\n",
    "ds7"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5b4db252-7c06-4783-9543-cd1b3f26bace",
   "metadata": {},
   "source": [
    "Note that `ds.bounds.add_missing_bounds` uses `ds.bounds.add_bounds` for the latitude and longitude axes and defaults to the `frequency` method and `add_time_bounds` for the time axis. If you click on the database symbol for `time_bnds` above, the bounds are slightly mis-aligned because the time axis was not centered before adding the time axis. In this case, the user should call `xcdat.center_times` and then `ds.bounds.add_missing_bounds` (as shown earlier).\n"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "2ab105f4",
   "metadata": {},
   "source": [
    "## Get the dimension coordinates for an axis.\n",
    "\n",
    "In `xarray`, you can get a dimension coordinates by directly referencing its name (e.g., `ds.lat`). `xcdat` provides an alternative way to get dimension coordinates agnostically by simply passing the CF axis key to applicable APIs.\n",
    "\n",
    "- Related API: [xcdat.get_dim_coords()](../generated/xcdat.get_dim_coords.rst) & [xcdat.get_dim_keys()](../generated/xcdat.get_dim_keys.rst)\n",
    "\n",
    "Helpful knowledge:\n",
    "\n",
    "- This API uses `cf_xarray` to interpret CF axis names and coordinate names in the xarray object attributes. Refer to [Metadata Interpretation](../getting-started-guide/faqs.rst) for more information.\n",
    "\n",
    "Xarray documentation on coordinates ([source](https://docs.xarray.dev/en/stable/user-guide/data-structures.html#coordinates)):\n",
    "\n",
    "- There are two types of coordinates in xarray:\n",
    "\n",
    "  - **dimension coordinates** are one dimensional coordinates with a name equal to their sole dimension (marked by \\* when printing a dataset or data array). They are used for label based indexing and alignment, like the index found on a pandas DataFrame or Series. Indeed, these “dimension” coordinates use a pandas.Index internally to store their values.\n",
    "\n",
    "  - **non-dimension coordinates** are variables that contain coordinate data, but are not a dimension coordinate. They can be multidimensional (see Working with Multidimensional Coordinates), and there is no relationship between the name of a non-dimension coordinate and the name(s) of its dimension(s). Non-dimension coordinates can be useful for indexing or plotting; otherwise, xarray does not make any direct use of the values associated with them. They are not used for alignment or automatic indexing, nor are they required to match when doing arithmetic (see Coordinates).\n",
    "\n",
    "- Xarray’s terminology differs from the [CF terminology](https://cfconventions.org/cf-conventions/v1.6.0/cf-conventions.html#terminology), where the “dimension coordinates” are called “coordinate variables”, and the “non-dimension coordinates” are called “auxiliary coordinate variables” (see [GH1295](https://github.com/pydata/xarray/issues/1295) for more details).\n"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "id": "15b5441d",
   "metadata": {},
   "source": [
    "### 1. `axis` attr\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "5255323c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Y'"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds.lat.attrs[\"axis\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "08505d5c",
   "metadata": {},
   "source": [
    "### 2. `standard_name` attr\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "bf3d99a1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'latitude'"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ds.lat.attrs[\"standard_name\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "06fd086a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"lat\" in ds.dims"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "ea49391c-39cf-403f-95ba-7f60032a064b",
   "metadata": {},
   "source": [
    "### Utilities to get the coordinate axis and coordinate axis key\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "5d485fa1",
   "metadata": {},
   "outputs": [
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       ".xr-array-in:checked ~ .xr-array-preview {\n",
       "  display: none;\n",
       "}\n",
       "\n",
       ".xr-array-in:checked ~ .xr-array-data,\n",
       ".xr-array-preview {\n",
       "  display: inline-block;\n",
       "}\n",
       "\n",
       ".xr-dim-list {\n",
       "  display: inline-block !important;\n",
       "  list-style: none;\n",
       "  padding: 0 !important;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list li {\n",
       "  display: inline-block;\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "}\n",
       "\n",
       ".xr-dim-list:before {\n",
       "  content: \"(\";\n",
       "}\n",
       "\n",
       ".xr-dim-list:after {\n",
       "  content: \")\";\n",
       "}\n",
       "\n",
       ".xr-dim-list li:not(:last-child):after {\n",
       "  content: \",\";\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-has-index {\n",
       "  font-weight: bold;\n",
       "}\n",
       "\n",
       ".xr-var-list,\n",
       ".xr-var-item {\n",
       "  display: contents;\n",
       "}\n",
       "\n",
       ".xr-var-item > div,\n",
       ".xr-var-item label,\n",
       ".xr-var-item > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-even);\n",
       "  margin-bottom: 0;\n",
       "}\n",
       "\n",
       ".xr-var-item > .xr-var-name:hover span {\n",
       "  padding-right: 5px;\n",
       "}\n",
       "\n",
       ".xr-var-list > li:nth-child(odd) > div,\n",
       ".xr-var-list > li:nth-child(odd) > label,\n",
       ".xr-var-list > li:nth-child(odd) > .xr-var-name span {\n",
       "  background-color: var(--xr-background-color-row-odd);\n",
       "}\n",
       "\n",
       ".xr-var-name {\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-var-dims {\n",
       "  grid-column: 2;\n",
       "}\n",
       "\n",
       ".xr-var-dtype {\n",
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       "  text-align: right;\n",
       "  color: var(--xr-font-color2);\n",
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       "\n",
       ".xr-var-preview {\n",
       "  grid-column: 4;\n",
       "}\n",
       "\n",
       ".xr-index-preview {\n",
       "  grid-column: 2 / 5;\n",
       "  color: var(--xr-font-color2);\n",
       "}\n",
       "\n",
       ".xr-var-name,\n",
       ".xr-var-dims,\n",
       ".xr-var-dtype,\n",
       ".xr-preview,\n",
       ".xr-attrs dt {\n",
       "  white-space: nowrap;\n",
       "  overflow: hidden;\n",
       "  text-overflow: ellipsis;\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-var-name:hover,\n",
       ".xr-var-dims:hover,\n",
       ".xr-var-dtype:hover,\n",
       ".xr-attrs dt:hover {\n",
       "  overflow: visible;\n",
       "  width: auto;\n",
       "  z-index: 1;\n",
       "}\n",
       "\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  display: none;\n",
       "  background-color: var(--xr-background-color) !important;\n",
       "  padding-bottom: 5px !important;\n",
       "}\n",
       "\n",
       ".xr-var-attrs-in:checked ~ .xr-var-attrs,\n",
       ".xr-var-data-in:checked ~ .xr-var-data,\n",
       ".xr-index-data-in:checked ~ .xr-index-data {\n",
       "  display: block;\n",
       "}\n",
       "\n",
       ".xr-var-data > table {\n",
       "  float: right;\n",
       "}\n",
       "\n",
       ".xr-var-name span,\n",
       ".xr-var-data,\n",
       ".xr-index-name div,\n",
       ".xr-index-data,\n",
       ".xr-attrs {\n",
       "  padding-left: 25px !important;\n",
       "}\n",
       "\n",
       ".xr-attrs,\n",
       ".xr-var-attrs,\n",
       ".xr-var-data,\n",
       ".xr-index-data {\n",
       "  grid-column: 1 / -1;\n",
       "}\n",
       "\n",
       "dl.xr-attrs {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  display: grid;\n",
       "  grid-template-columns: 125px auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt,\n",
       ".xr-attrs dd {\n",
       "  padding: 0;\n",
       "  margin: 0;\n",
       "  float: left;\n",
       "  padding-right: 10px;\n",
       "  width: auto;\n",
       "}\n",
       "\n",
       ".xr-attrs dt {\n",
       "  font-weight: normal;\n",
       "  grid-column: 1;\n",
       "}\n",
       "\n",
       ".xr-attrs dt:hover span {\n",
       "  display: inline-block;\n",
       "  background: var(--xr-background-color);\n",
       "  padding-right: 10px;\n",
       "}\n",
       "\n",
       ".xr-attrs dd {\n",
       "  grid-column: 2;\n",
       "  white-space: pre-wrap;\n",
       "  word-break: break-all;\n",
       "}\n",
       "\n",
       ".xr-icon-database,\n",
       ".xr-icon-file-text2,\n",
       ".xr-no-icon {\n",
       "  display: inline-block;\n",
       "  vertical-align: middle;\n",
       "  width: 1em;\n",
       "  height: 1.5em !important;\n",
       "  stroke-width: 0;\n",
       "  stroke: currentColor;\n",
       "  fill: currentColor;\n",
       "}\n",
       "</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;lat&#x27; (lat: 145)&gt; Size: 1kB\n",
       "array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "    height   float64 8B ...\n",
       "Attributes:\n",
       "    bounds:         lat_bnds\n",
       "    units:          degrees_north\n",
       "    axis:           Y\n",
       "    long_name:      Latitude\n",
       "    standard_name:  latitude</pre><div class='xr-wrap' style='display:none'><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'lat'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>lat</span>: 145</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-3f6e41ff-110b-4810-956e-4add3b34455a' class='xr-array-in' type='checkbox' checked><label for='section-3f6e41ff-110b-4810-956e-4add3b34455a' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>-90.0 -88.75 -87.5 -86.25 -85.0 -83.75 ... 85.0 86.25 87.5 88.75 90.0</span></div><div class='xr-array-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></div></li><li class='xr-section-item'><input id='section-4b5309a1-31c8-492d-b49b-6e4c40d3337e' class='xr-section-summary-in' type='checkbox'  checked><label for='section-4b5309a1-31c8-492d-b49b-6e4c40d3337e' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>lat</span></div><div class='xr-var-dims'>(lat)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>-90.0 -88.75 -87.5 ... 88.75 90.0</div><input id='attrs-1fa09de9-a0d9-4e6d-b67d-6eb53e2d45ac' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-1fa09de9-a0d9-4e6d-b67d-6eb53e2d45ac' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7ad3b683-ecdc-42e0-b651-bcaebe37b332' class='xr-var-data-in' type='checkbox'><label for='data-7ad3b683-ecdc-42e0-b651-bcaebe37b332' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div><div class='xr-var-data'><pre>array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>height</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-0e6470d3-ad2c-4974-9d0c-7b471e391965' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-0e6470d3-ad2c-4974-9d0c-7b471e391965' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-767e2d1d-7a7c-47bc-96df-b983249b6528' class='xr-var-data-in' type='checkbox'><label for='data-767e2d1d-7a7c-47bc-96df-b983249b6528' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>long_name :</span></dt><dd>height</dd><dt><span>standard_name :</span></dt><dd>height</dd></dl></div><div class='xr-var-data'><pre>[1 values with dtype=float64]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-0c694d13-f2bb-4b11-ac72-48a97b40bb7d' class='xr-section-summary-in' type='checkbox'  ><label for='section-0c694d13-f2bb-4b11-ac72-48a97b40bb7d' class='xr-section-summary' >Indexes: <span>(1)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-index-name'><div>lat</div></div><div class='xr-index-preview'>PandasIndex</div><input type='checkbox' disabled/><label></label><input id='index-1f2ad140-8569-4aa5-ace5-47b43a4a0d67' class='xr-index-data-in' type='checkbox'/><label for='index-1f2ad140-8569-4aa5-ace5-47b43a4a0d67' title='Show/Hide index repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-index-data'><pre>PandasIndex(Index([ -90.0, -88.75,  -87.5, -86.25,  -85.0, -83.75,  -82.5, -81.25,  -80.0,\n",
       "       -78.75,\n",
       "       ...\n",
       "        78.75,   80.0,  81.25,   82.5,  83.75,   85.0,  86.25,   87.5,  88.75,\n",
       "         90.0],\n",
       "      dtype=&#x27;float64&#x27;, name=&#x27;lat&#x27;, length=145))</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-a13a3e66-f718-4ebc-8a55-e22ea009c510' class='xr-section-summary-in' type='checkbox'  checked><label for='section-a13a3e66-f718-4ebc-8a55-e22ea009c510' class='xr-section-summary' >Attributes: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>bounds :</span></dt><dd>lat_bnds</dd><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd></dl></div></li></ul></div></div>"
      ],
      "text/plain": [
       "<xarray.DataArray 'lat' (lat: 145)> Size: 1kB\n",
       "array([-90.  , -88.75, -87.5 , -86.25, -85.  , -83.75, -82.5 , -81.25, -80.  ,\n",
       "       -78.75, -77.5 , -76.25, -75.  , -73.75, -72.5 , -71.25, -70.  , -68.75,\n",
       "       -67.5 , -66.25, -65.  , -63.75, -62.5 , -61.25, -60.  , -58.75, -57.5 ,\n",
       "       -56.25, -55.  , -53.75, -52.5 , -51.25, -50.  , -48.75, -47.5 , -46.25,\n",
       "       -45.  , -43.75, -42.5 , -41.25, -40.  , -38.75, -37.5 , -36.25, -35.  ,\n",
       "       -33.75, -32.5 , -31.25, -30.  , -28.75, -27.5 , -26.25, -25.  , -23.75,\n",
       "       -22.5 , -21.25, -20.  , -18.75, -17.5 , -16.25, -15.  , -13.75, -12.5 ,\n",
       "       -11.25, -10.  ,  -8.75,  -7.5 ,  -6.25,  -5.  ,  -3.75,  -2.5 ,  -1.25,\n",
       "         0.  ,   1.25,   2.5 ,   3.75,   5.  ,   6.25,   7.5 ,   8.75,  10.  ,\n",
       "        11.25,  12.5 ,  13.75,  15.  ,  16.25,  17.5 ,  18.75,  20.  ,  21.25,\n",
       "        22.5 ,  23.75,  25.  ,  26.25,  27.5 ,  28.75,  30.  ,  31.25,  32.5 ,\n",
       "        33.75,  35.  ,  36.25,  37.5 ,  38.75,  40.  ,  41.25,  42.5 ,  43.75,\n",
       "        45.  ,  46.25,  47.5 ,  48.75,  50.  ,  51.25,  52.5 ,  53.75,  55.  ,\n",
       "        56.25,  57.5 ,  58.75,  60.  ,  61.25,  62.5 ,  63.75,  65.  ,  66.25,\n",
       "        67.5 ,  68.75,  70.  ,  71.25,  72.5 ,  73.75,  75.  ,  76.25,  77.5 ,\n",
       "        78.75,  80.  ,  81.25,  82.5 ,  83.75,  85.  ,  86.25,  87.5 ,  88.75,\n",
       "        90.  ])\n",
       "Coordinates:\n",
       "  * lat      (lat) float64 1kB -90.0 -88.75 -87.5 -86.25 ... 87.5 88.75 90.0\n",
       "    height   float64 8B ...\n",
       "Attributes:\n",
       "    bounds:         lat_bnds\n",
       "    units:          degrees_north\n",
       "    axis:           Y\n",
       "    long_name:      Latitude\n",
       "    standard_name:  latitude"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "xc.get_dim_coords(ds, axis=\"Y\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "7c10f773-4f64-4da7-8e76-e989fe967547",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'lon'"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "xc.get_dim_keys(ds, axis=\"X\")"
   ]
  }
 ],
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