Northwest Knowledge Network (NKN) - THREDDS Server Catalog http://www.reacchpna.org/thredds/catalog/MET/spei/catalog.html

Dataset Size Last Modified
     Folder  REACCH METDATA (GRIDMET) Standardized Precipitation Evapotranspiration Index(SPEI)   --
         spei90d.nc 5.599 Gbytes 2026-04-01T00:55:24Z
         spei5y.nc 5.553 Gbytes 2026-04-01T03:07:05Z
         spei30d.nc 5.605 Gbytes 2026-04-01T00:27:55Z
         spei2y.nc 5.637 Gbytes 2026-04-01T02:42:27Z
         spei270d.nc 5.601 Gbytes 2026-04-01T01:49:20Z
         spei1y.nc 5.598 Gbytes 2026-04-01T02:16:22Z
         spei180d.nc 5.599 Gbytes 2026-04-01T01:23:06Z
         spei14d.nc 5.606 Gbytes 2026-03-31T23:58:03Z
         Folder  provisional/   --
         Folder  permanent/   --
         Folder  early/   --

Northwest Knowledge Network (NKN) - THREDDS Server at Northwest Knowledge Network (NKN) see Info
THREDDS Data Server [Version 4.6.11 - 2017-12-04T16:22:46-0700] Documentation