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Standardized Precipitation Index (SPI) Analyses of Multiple Global Precipitation Datasets at LDEO/IRI Climate Data Library

Abstract: The Standardized Precipitation Index (SPI; McKee et al. 1993) is the number of
standard deviations that observed cumulative precipitation deviates from the
climatological average. The index is based entirely on monthly precipitation
accumulations and its values can be compared across different climatic and
geographic regions. These characteristics of the SPI have contributed to its
popularity for ... View entire text
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Description: Access to SPI data
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: IRI
Dataset Title: IRI Analyses SPI: Standardized Precipitation Index analyses of multiple global precipitation datasets.
Dataset Release Place: Palisades, NY
Dataset Publisher: LDEO/IRI
Version: Not provided
Online Resource:
Parent DIF
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Temporal Coverage
Start Date: 1901-01-01
Data Resolution
Temporal Resolution: 1-month, 12-month, 3-month,6-month, 9-month
Data Set Progress
Distribution Media: online www
Fees: none
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2005-03-21
Last DIF Revision Date: 2019-01-11