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

Dataset	Size	Last Modified
`REACCH METDATA (GRIDMET) Standardized Precipitation Index(SPI)`		`--`
`spi90d.nc`	`6.133 Gbytes`	`2025-12-09T11:58:52Z`
`spi5y.nc`	`6.065 Gbytes`	`2025-12-09T14:16:57Z`
`spi30d.nc`	`6.132 Gbytes`	`2025-12-09T11:30:10Z`
`spi2y.nc`	`6.119 Gbytes`	`2025-12-09T13:50:34Z`
`spi270d.nc`	`6.141 Gbytes`	`2025-12-09T12:54:19Z`
`spi1y.nc`	`6.136 Gbytes`	`2025-12-09T13:23:22Z`
`spi180d.nc`	`6.138 Gbytes`	`2025-12-09T12:25:57Z`
`spi14d.nc`	`6.125 Gbytes`	`2025-12-09T10:59:50Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`