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

Dataset Size Last Modified
     Folder  precl   --
         Folder  0.5deg/   --
         Folder  1.0deg/   --
         Folder  2.5deg/   --

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