Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2017/08/31/catalog.html

Dataset Size Last Modified
     Folder  31   --
         20170831.zip 65.50 Mbytes 2018-01-18T19:16:03Z

GSD TDS at ESRL/GSD/ITS/DSG see Info
Documentation