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 6.078 Gbytes 2025-12-09T15:47:43Z
         spei5y.nc 6.031 Gbytes 2025-12-09T18:46:21Z
         spei30d.nc 6.082 Gbytes 2025-12-09T15:17:27Z
         spei2y.nc 6.126 Gbytes 2025-12-09T17:59:43Z
         spei270d.nc 6.084 Gbytes 2025-12-09T16:45:56Z
         spei1y.nc 6.082 Gbytes 2025-12-09T17:19:13Z
         spei180d.nc 6.081 Gbytes 2025-12-09T16:16:22Z
         spei14d.nc 6.082 Gbytes 2025-12-09T14:47:50Z
         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