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

Dataset Size Last Modified
     Folder  enh   --
         precip.mon.ltm.1991-2020.nc 750.3 Kbytes 2021-05-11T18:05:02Z
         precip.mon.ltm.nc 750.3 Kbytes 2021-05-11T18:05:01Z
         precip.mon.mean.nc 14.98 Mbytes 2021-05-11T18:05:00Z
         precip.pentad.mean.nc 73.15 Mbytes 2020-04-13T14:29:14Z

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