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/2237#issuecomment-398141909,https://api.github.com/repos/pydata/xarray/issues/2237,398141909,MDEyOklzc3VlQ29tbWVudDM5ODE0MTkwOQ==,10050469,2018-06-18T17:58:54Z,2018-06-18T18:00:19Z,MEMBER,"Nice write up @rabernat ! Note that the behavior is the same with chunks of size 1 (first thing I tried).

Short understanding question: while your example shows that chunks are lost *after* the groupby, does that prove for sure that the groupby operation does not use the original chunks?

(side note: the quest for climatologies is a rightful quest: see my [comment](https://github.com/pangeo-data/pangeo/issues/40#issuecomment-397587712) about the cds)","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,333312849