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

Dataset	Size	Last Modified
`REACCH METDATA (GRIDMET) Standardized Precipitation Index(SPI)`		`--`
`spi90d.nc`	`6.091 Gbytes`	`2025-08-16T09:39:39Z`
`spi5y.nc`	`6.024 Gbytes`	`2025-08-16T12:45:43Z`
`spi30d.nc`	`6.091 Gbytes`	`2025-08-16T08:59:14Z`
`spi2y.nc`	`6.078 Gbytes`	`2025-08-16T12:07:57Z`
`spi270d.nc`	`6.099 Gbytes`	`2025-08-16T10:53:44Z`
`spi1y.nc`	`6.094 Gbytes`	`2025-08-16T11:30:56Z`
`spi180d.nc`	`6.096 Gbytes`	`2025-08-16T10:17:44Z`
`spi14d.nc`	`6.084 Gbytes`	`2025-08-16T08:20:39Z`
`provisional/`		`--`
`permanent/`		`--`
`early/`		`--`