National Centers for Environmental Information / National Operational Model Archive and Distribution System Catalog https://www.ncei.noaa.gov/thredds/catalog/model-narr-a-files/199411/19941115/catalog.html

Dataset Size Last Modified
     Folder  19941115   --
         narr-a_221_19941115_2100_000.grb 56.35 Mbytes 2012-08-03T22:44:58.933Z
         narr-a_221_19941115_1800_000.grb 56.75 Mbytes 2012-08-03T22:45:01.754Z
         narr-a_221_19941115_1500_000.grb 57.03 Mbytes 2012-08-03T22:45:01.203Z
         narr-a_221_19941115_1200_000.grb 56.96 Mbytes 2012-08-03T22:44:58.313Z
         narr-a_221_19941115_0900_000.grb 57.08 Mbytes 2012-08-03T22:45:02.270Z
         narr-a_221_19941115_0600_000.grb 56.87 Mbytes 2012-08-03T22:44:59.946Z
         narr-a_221_19941115_0300_000.grb 56.92 Mbytes 2012-08-03T22:44:59.502Z
         narr-a_221_19941115_0000_000.grb 56.56 Mbytes 2012-08-03T22:45:00.532Z

NCEI-NC THREDDS Server at NCEI see Info
Documentation