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/766#issuecomment-185598380,https://api.github.com/repos/pydata/xarray/issues/766,185598380,MDEyOklzc3VlQ29tbWVudDE4NTU5ODM4MA==,10050469,2016-02-18T08:38:50Z,2016-02-18T08:38:50Z,MEMBER,"I forgot to mention that center is set to 0 by default ;-)
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,134321867
https://github.com/pydata/xarray/issues/766#issuecomment-185280802,https://api.github.com/repos/pydata/xarray/issues/766,185280802,MDEyOklzc3VlQ29tbWVudDE4NTI4MDgwMg==,10050469,2016-02-17T16:21:01Z,2016-02-17T16:24:33Z,MEMBER,"Yes, see https://github.com/pydata/xarray/pull/655

We decided that setting both `vmin` and `vmax` always imply a diverging colormap. The reason is that testing for `vmax = -vmin` is not robust. You should do:

``` python
air2d.plot.pcolormesh(vmin=-24, center=0)
```

(edit for center=0 !!!!!)
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