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 179.3 Mbytes 2021-04-06T18:30:42Z

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