COAPS Catalog http://tds.coaps.fsu.edu/thredds/catalog/qscat/data/glob_qscat_hd/spd/catalog.html

Dataset Size Last Modified
     Folder  spd   --
         Folder  2005/   --
         Folder  2004/   --
         Folder  2003/   --
         Folder  2002/   --
         Folder  2001/   --
         Folder  2000/   --
         Folder  1999/   --

THREDDS/OPeNDAP at COAPS see Info
Documentation