html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/2870#issuecomment-480639727,https://api.github.com/repos/pydata/xarray/issues/2870,480639727,MDEyOklzc3VlQ29tbWVudDQ4MDYzOTcyNw==,1217238,2019-04-07T23:11:12Z,2019-04-07T23:11:12Z,MEMBER,"> I suppose that this behavior has to do with NaN not available in int64 and the Datasets are not completely overlapping in the altitude dimension. This is correct. Alternatively, you could pre-align your data to have the same coordinate labels. Someone could pretty easily add a `fill_value` to `xarray.align()`, but this hasn't been done yet: https://github.com/pydata/xarray/issues/2876","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,429835266