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/386#issuecomment-91495357,https://api.github.com/repos/pydata/xarray/issues/386,91495357,MDEyOklzc3VlQ29tbWVudDkxNDk1MzU3,10194086,2015-04-10T09:40:36Z,2015-04-10T09:40:36Z,MEMBER,"Thanks, it works. I didn't think of this. However, for anything else than the mean this would not work? So I would opt for the second option. ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,67332234 https://github.com/pydata/xarray/issues/386#issuecomment-91219325,https://api.github.com/repos/pydata/xarray/issues/386,91219325,MDEyOklzc3VlQ29tbWVudDkxMjE5MzI1,10194086,2015-04-09T12:44:16Z,2015-04-09T12:44:16Z,MEMBER,"Ok the problem seems to be that the datetime64 array is converted to an object array. ``` print(ts) print(ts_mean) ``` Could you keep it as a datetime64 object? Or would that be a pandas problem? ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,67332234