'How to groupby year and month for netCDF file in python
So I have a nc file, which has the following variables.
import numpy as np
import pandas as pd
import xarray as xr
import matplotlib.pyplot as plt
[enter image description here][1]
My aim is to get the average value of 'mslp' that groupby both month and year.
I tried the following codes:
da.groupby('time').mean()
and also
da.groupby('time').mean('mslp')
However, error occurred.
ValueError: cannot reduce over dimensions ['mslp']. expected either '...' to reduce over all dimensions or one or more of Frozen(SortedKeysDict({'lat': 17, 'lon': 1})).
What is the solution for this? Would be so grateful if you can provide me the solution. [1]: https://i.stack.imgur.com/sQDa3.jpg
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