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`	`6.057 Gbytes`	`2025-10-10T15:08:23Z`
`spei5y.nc`	`6.010 Gbytes`	`2025-10-10T18:04:49Z`
`spei30d.nc`	`6.062 Gbytes`	`2025-10-10T14:35:17Z`
`spei2y.nc`	`6.105 Gbytes`	`2025-10-10T17:31:50Z`
`spei270d.nc`	`6.063 Gbytes`	`2025-10-10T16:14:52Z`
`spei1y.nc`	`6.061 Gbytes`	`2025-10-10T16:54:47Z`
`spei180d.nc`	`6.060 Gbytes`	`2025-10-10T15:40:59Z`
`spei14d.nc`	`6.062 Gbytes`	`2025-10-10T14:01:31Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`