Don Setiawan

This should be optional... potentially use: https://xesmf.readthedocs.io/en/latest/index.html

@leewujung Could you point us to a test data for this?

xESMF Regrid Methods explanations: http://earthsystemmodeling.org/regrid/#regridding-methods Actual algorithms in the xESMF Python library: https://xesmf.readthedocs.io/en/latest/notebooks/Compare_algorithms.html Tutorial on xarray regridding with xESMF: https://xesmf.readthedocs.io/en/latest/notebooks/Dataset.html

@b-reyes This PR is ready for another review. I've put in some tests in there to ensure that everything is consolidating properly. One of the biggest changes is that for...

@b-reyes Okay. I've implemented your suggestions. Let me know if I miss anything. Thanks!

@b-reyes I've added more changes based on your comments. Ignore the RTD failure, for some reason it can't check out the changes... bizarre... All the other tests succeed.

> I am slightly worried about the RTD failure, but I believe we can resolve that after a merge, if necessary. The RTD failure had nothing to do with this...

> I thought we can add a global attribute to the Too-level group combine = True or False This is stored in `Provenance` rather than the `Top-level` after discussion with...

SHARE has a [Geoserver](http://share.evk2cnr.org:8080/geoserver/) where you can get stations metadata.

NOAA has a great [API](https://www.ncdc.noaa.gov/cdo-web/webservices/v2) to access the data. Note that I have looked at their [Legacy API](https://www7.ncdc.noaa.gov/rest/), but it doesn't work. If anyone else have a better luck, please...