NOAA/ESRL/PSD Catalog http://www.esrl.noaa.gov/psd/thredds/catalog/Datasets/ghcngridded/catalog.html

Dataset Size Last Modified
     Folder  ghcngridded   --
         air.mon.anom.nc 17.06 Mbytes 2016-12-24T21:45:17Z
         precip.mon.anom.nc 14.39 Mbytes 2016-12-24T21:45:16Z
         precip.mon.total.nc 14.39 Mbytes 2016-12-24T21:45:16Z

NOAA/ESRL/PSD at NOAA ESRL PSD see Info
THREDDS Data Server [Version 4.3.15 - 20121218.1126] Documentation