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`	`6.037 Gbytes`	`2025-08-16T14:48:31Z`
`spei5y.nc`	`5.989 Gbytes`	`2025-08-16T17:38:01Z`
`spei30d.nc`	`6.041 Gbytes`	`2025-08-16T14:13:57Z`
`spei2y.nc`	`6.084 Gbytes`	`2025-08-16T17:05:18Z`
`spei270d.nc`	`6.042 Gbytes`	`2025-08-16T15:55:00Z`
`spei1y.nc`	`6.040 Gbytes`	`2025-08-16T16:28:21Z`
`spei180d.nc`	`6.039 Gbytes`	`2025-08-16T15:21:24Z`
`spei14d.nc`	`6.041 Gbytes`	`2025-08-16T13:35:02Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`