PRISM Products

Standardized Precipitation Index
Description:		Date Created:	Warning: filemtime(): stat failed for /nfs/rattus/a1/info/ftp//pub/prism/us/grids/spi/2010-2019/us_spi_24_2004.05.gz in /nfs/rattus/a1/info/prism_www/products/viewer.phtml on line 231 December 31,1969
Time period:	January 2013	Time interval:	Span of 24 months
Spatial format:	grid	Projection:	Geographic
Spatial Resolution:		Spatial Extent:	Conterminous United States
Units:	unitless index	Spatial Format:	Arc/Info ASCII GRID
Scale Factor:	100

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