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

Dataset	Size	Last Modified
`REACCH METDATA (GRIDMET) Standardized Precipitation Index(SPI)`		`--`
`spi90d.nc`	`6.112 Gbytes`	`2025-10-10T10:22:54Z`
`spi5y.nc`	`6.044 Gbytes`	`2025-10-10T13:23:00Z`
`spi30d.nc`	`6.111 Gbytes`	`2025-10-10T09:49:03Z`
`spi2y.nc`	`6.098 Gbytes`	`2025-10-10T12:48:40Z`
`spi270d.nc`	`6.119 Gbytes`	`2025-10-10T11:32:09Z`
`spi1y.nc`	`6.115 Gbytes`	`2025-10-10T12:10:05Z`
`spi180d.nc`	`6.117 Gbytes`	`2025-10-10T10:56:44Z`
`spi14d.nc`	`6.104 Gbytes`	`2025-10-10T09:13:42Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`