issue_comments: 1292086842

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https://github.com/pydata/xarray/issues/2742#issuecomment-1292086842 https://api.github.com/repos/pydata/xarray/issues/2742 1292086842 IC_kwDOAMm_X85NA646 5098603 2022-10-26T13:52:50Z 2022-10-26T13:52:50Z NONE

xarray it's assuming that _FillValue it's allways an attribute for netcdf, but it's only an attribute when a _FillValue it's been added to the variable explicitly.

The _FillValue should be requested only when the variable has the mode FILL ON active. Then, if no _FilleValue attributte it's been defined, then the netcdf default _FillValue should be use. 

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