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IRI Analyses SPI SPI-TS2p1_3-Month options
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IRI Analyses SPI SPI-TS2p1_3-Month: SPI-TS2p1_3-month data

SPI-TS2p1_3-month from IRI Analyses SPI: Standardized Precipitation Index analyses of multiple global precipitation datasets.

Independent Variables (Grids)

Time
grid: /T (months since 1960-01-01) ordered (Jan-Mar 1901) to (Oct-Dec 2002) by 1. N= 1222 pts :grid
Longitude
grid: /X (degree_east) periodic (179.75W) to (179.75E) by 0.5 N= 720 pts :grid
Latitude
grid: /Y (degree_north) ordered (89.75S) to (89.75N) by 0.5 N= 360 pts :grid

Other Info

bufferwordsize
8
CE
3.0999999
CS
-3.0999999
datatype
doublearraytype
file_missing_value
-9.9899998
maxncolor
254
missing_value
NaN
scale_max
3.0999999
scale_min
-3.0999999
units
unitless
colorscale

References

Guttman, N. B., 1999: Accepting the Standandardized Precipitation Index: a calculation algorithm. J. Amer. Water Resour. Assoc., 35(2), 311-322

McKee, T.B., N. J. Doesken, and J. Kliest, 1993: The relationship of drought frequency and duration to time scales. In Proceedings of the 8th Conference of Applied Climatology, 17-22 January, Anaheim, CA. American Meterological Society, Boston, MA. 179-184.

McKee, T.B., N.J. Doesken, and J. Kliest, 1995: Drought monitoring with multiple time scales. In Proceedings of the 9th Conference of Applied Climatology, 15-20 January, Dallas TX. American Meteorological Society, Boston, MA. 233-236

Last updated: Mon, 05 Jan 2009 17:03:48 GMT