Catalog http://www.reacchpna.org/thredds/catalog/MET/spei/catalog.html

Dataset	Size	Last Modified
`REACCH METDATA (GRIDMET) Standardized Precipitation Evapotranspiration Index(SPEI)`		`--`
`spei90d.nc`	`6.137 Gbytes`	`2026-04-18T12:42:24Z`
`spei5y.nc`	`6.091 Gbytes`	`2026-04-18T15:26:30Z`
`spei30d.nc`	`6.141 Gbytes`	`2026-04-18T12:08:15Z`
`spei2y.nc`	`6.184 Gbytes`	`2026-04-18T14:54:39Z`
`spei270d.nc`	`6.144 Gbytes`	`2026-04-18T13:49:29Z`
`spei1y.nc`	`6.142 Gbytes`	`2026-04-18T14:22:27Z`
`spei180d.nc`	`6.140 Gbytes`	`2026-04-18T13:16:18Z`
`spei14d.nc`	`6.140 Gbytes`	`2026-04-18T11:30:36Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`