Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2017/12/04/catalog.html

Dataset Size Last Modified
     Folder  04   --
         20171204.zip 64.79 Mbytes 2018-01-18T19:42:53Z

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