NOAA/PSL Catalog https://psl.noaa.gov/thredds/catalog/Datasets/ghcncams/catalog.html

Dataset Size Last Modified
     Folder  ghcncams   --
         Folder  Derived/   --
         air.mon.mean.nc 178.5 Mbytes 2020-10-05T18:30:11Z

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