NOAA/PSL Catalog http://psl.noaa.gov/thredds/catalog/Datasets/ghcngridded/catalog.html

Dataset Size Last Modified
     Folder  ghcngridded   --
         air.mon.anom.nc 17.50 Mbytes 2020-08-02T20:45:11Z
         precip.mon.anom.nc 14.39 Mbytes 2020-08-02T20:45:10Z
         precip.mon.total.nc 14.39 Mbytes 2020-08-02T20:45:10Z

NOAA/PSL at NOAA PSL see Info
THREDDS Data Server [Version 4.6.15-SNAPSHOT - 2020-01-28T04:01:10+0000] Documentation