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

Dataset Size Last Modified
     Folder  monitor   --
         precip.monitor.mon.total.1x1.v4.nc 19.18 Mbytes 2013-05-22T21:16:35Z
         precip.monitor.mon.total.2.5x2.5.v4.nc 3.074 Mbytes 2013-05-22T21:16:40Z

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