IRI Analyses SPI SPI-CAMSOPI_3-Month: SPI-CAMS_OPI_3-month data

SPI-CAMS_OPI_3-month from IRI Analyses SPI: Standardized Precipitation Index analyses of multiple global precipitation datasets.

Independent Variables (Grids)

Time (time)
grid: /T (months since 1960-01-01) ordered (Jan-Mar 1979) to (Nov 2024 - Jan 2025) by 1.0 N= 551 pts :grid
Longitude (longitude)
grid: /X (degree_east) periodic (1.25E) to (1.25W) by 2.5 N= 144 pts :grid
Latitude (latitude)
grid: /Y (degree_north) ordered (88.75S) to (88.75N) by 2.5 N= 72 pts :grid

Other Info

bufferwordsize
8
CE
3.0999999
CS
-3.0999999
datatype
doublearraytype
file_missing_value
-9.9899998
gridid
183081240
maxncolor
254
missing_value
NaN
pointwidth
3
scale_max
3.0999999
scale_min
-3.0999999
standard_name
time
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: Tue, 04 Feb 2025 19:28:51 GMT
Expires: Sat, 01 Mar 2025 00:00:00 GMT

Data Views

TXY
[ T | X Y]MMM