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/3490#issuecomment-551194574,https://api.github.com/repos/pydata/xarray/issues/3490,551194574,MDEyOklzc3VlQ29tbWVudDU1MTE5NDU3NA==,5635139,2019-11-07T18:01:29Z,2019-11-07T18:01:29Z,MEMBER,"Confirmed as a bug. Not sure exactly what's going on, it may be on the numpy side. NB this does work (swapping order): ```python In [4]: dset * np.float64(1.0) Out[4]: Dimensions: (space: 3, time: 4) Coordinates: * time (time) datetime64[ns] 2000-01-01 2000-01-02 2000-01-03 2000-01-04 * space (space)