CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sst/data/comparison/AVHRR_Pathfinder/2001/01/21/catalog.html

Dataset Size Last Modified
     Folder  21   --
         20010121155002-NODC-L3C_GHRSST-SSTskin-AVHRR_Pathfinder-PFV5.2_NOAA16_G_2001021_day-v02.0-fv01.0.nc 12.75 Mbytes 2013-11-22T12:26:39Z
         20010121013147-NODC-L3C_GHRSST-SSTskin-AVHRR_Pathfinder-PFV5.2_NOAA16_G_2001021_night-v02.0-fv01.0.nc 11.41 Mbytes 2013-11-22T12:26:39Z

CCI THREDDS Data Server at CEDA see Info
Documentation