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

Dataset Size Last Modified
     Folder  combined   --
         precip.comb.v2018to2016-v6monitorafter.total.nc 123.2 Mbytes 2021-05-24T21:18:48Z
         precip.comb.v7to2013-v6monitorafter.total.nc 112.1 Mbytes 2021-05-24T21:18:44Z

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