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/2886#issuecomment-594736618,https://api.github.com/repos/pydata/xarray/issues/2886,594736618,MDEyOklzc3VlQ29tbWVudDU5NDczNjYxOA==,5635139,2020-03-04T18:36:18Z,2020-03-04T18:36:18Z,MEMBER,@spencerkclark @dcherian for transparency I unpinned this to make room for the broken docs -> github link. Feel free to unpin the build warnings if this is still top-of-mind,"{""total_count"": 2, ""+1"": 2, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-525864934,https://api.github.com/repos/pydata/xarray/issues/2886,525864934,MDEyOklzc3VlQ29tbWVudDUyNTg2NDkzNA==,1197350,2019-08-28T18:23:13Z,2019-08-28T18:23:13Z,MEMBER,Adding tests to #3229 should be pretty straightforward. Great project for someone looking to learn a bit more about xarray internals.,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-525831230,https://api.github.com/repos/pydata/xarray/issues/2886,525831230,MDEyOklzc3VlQ29tbWVudDUyNTgzMTIzMA==,13296694,2019-08-28T16:55:06Z,2019-08-28T16:55:06Z,CONTRIBUTOR,"@naomi-henderson, I was working on this. But lately, I have been quite busy so I haven't implemented the tests yet. You can fix it if you wish to.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-525418536,https://api.github.com/repos/pydata/xarray/issues/2886,525418536,MDEyOklzc3VlQ29tbWVudDUyNTQxODUzNg==,31460695,2019-08-27T18:08:07Z,2019-08-27T18:08:07Z,NONE,"@Geektrovert and @spencerkclark  - any progress on this?  It would be great to have it working in time for the CMIP6 hackathon in order to suppress all of the warning messages when opening zarr stores.  For example,  a zarr store using `cftime.DatetimeGregorian` (e.g., cftime.DatetimeGregorian(2349, 12, 16, 12, 0, 0, 0, 4, 350)) will always generate the warning:
```
/usr/local/python/anaconda3/envs/pangeoJun2019/lib/python3.6/site-packages/xarray/coding/times.py:465: SerializationWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using cftime.datetime objects instead, reason: dates out of range
  dtype = _decode_cf_datetime_dtype(data, units, calendar, self.use_cftime)
/usr/local/python/anaconda3/envs/pangeoJun2019/lib/python3.6/site-packages/xarray/coding/times.py:465: SerializationWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using cftime.datetime objects instead, reason: dates out of range
  dtype = _decode_cf_datetime_dtype(data, units, calendar, self.use_cftime)
/usr/local/python/anaconda3/envs/pangeoJun2019/lib/python3.6/site-packages/numpy/core/numeric.py:538: SerializationWarning: Unable to decode time axis into full numpy.datetime64 objects, continuing using cftime.datetime objects instead, reason: dates out of range
  return array(a, dtype, copy=False, order=order)
```
For the CMIP6 collection, I always use `use_cftime=True`  in  open_mfdataset, but then when I make the zarr store and read it back in, it generates these warnings - always a distraction for anyone not used to dealing with this data","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-522575713,https://api.github.com/repos/pydata/xarray/issues/2886,522575713,MDEyOklzc3VlQ29tbWVudDUyMjU3NTcxMw==,13296694,2019-08-19T13:29:29Z,2019-08-19T13:29:29Z,CONTRIBUTOR,Couldn't figure out how to implement the tests,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-517487516,https://api.github.com/repos/pydata/xarray/issues/2886,517487516,MDEyOklzc3VlQ29tbWVudDUxNzQ4NzUxNg==,6628425,2019-08-01T23:00:51Z,2019-08-01T23:00:51Z,MEMBER,"Absolutely - I think this should be as simple as adding a `use_cftime` argument to [`open_zarr`](https://github.com/pydata/xarray/blob/7b76f163394a35c9cd8013e835e9d0b2050fd9a6/xarray/backends/zarr.py#L440), threading its value through as an argument to the call to [`conventions.decode_cf`](https://github.com/pydata/xarray/blob/7b76f163394a35c9cd8013e835e9d0b2050fd9a6/xarray/conventions.py#L466) here:
https://github.com/pydata/xarray/blob/7b76f163394a35c9cd8013e835e9d0b2050fd9a6/xarray/backends/zarr.py#L542-L545

 and adding a test to make sure it works.

For more general tips on contributing to xarray, see the contributing guide [here](http://xarray.pydata.org/en/stable/contributing.html).","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156
https://github.com/pydata/xarray/issues/2886#issuecomment-517273076,https://api.github.com/repos/pydata/xarray/issues/2886,517273076,MDEyOklzc3VlQ29tbWVudDUxNzI3MzA3Ng==,13296694,2019-08-01T12:49:59Z,2019-08-01T12:49:59Z,CONTRIBUTOR,"Hey, can I work on this issue? I'm still new to this so a little heads up would be very nice!","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,431970156