issue_comments: 1287124949

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https://github.com/pydata/xarray/issues/7191#issuecomment-1287124949 https://api.github.com/repos/pydata/xarray/issues/7191 1287124949 IC_kwDOAMm_X85Mt_fV 2448579 2022-10-21T15:30:10Z 2022-10-21T15:30:35Z MEMBER

I'm also not sure why _FillValue and missing_value should be required to have the same value.

Xarray has only one way to represent both concepts: np.nan. So when you decode you lose information on whether a value was a missing_value or _FillValue. Then when you encode, you have to pick either _FillValue or missing_value to represent the np.nan

to_netcdf will assign '_FillValue': nan.

This seems like a bug. Can you open a new issue with a minimum reproducible example that uses random data please?

 
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