issue_comments: 540834161

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https://github.com/pydata/xarray/issues/3390#issuecomment-540834161 https://api.github.com/repos/pydata/xarray/issues/3390 540834161 MDEyOklzc3VlQ29tbWVudDU0MDgzNDE2MQ== 2443309 2019-10-10T23:06:14Z 2019-10-10T23:06:14Z MEMBER

@pmallas - it looks like you figured this out but I'll just report on what was likely the confusion here.

Xarray's where methods use np.nan as the default other argument, this causes the type to be cast to a float. If you want to maintain a integer type, you'll need to specify another value for other.

xref: http://xarray.pydata.org/en/stable/computation.html#missing-values, http://xarray.pydata.org/en/stable/generated/xarray.DataArray.where.html 

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