Standardized Precipitation Index (spi)


A drought measure specified as a precipitation deficit

Standardized Precipitation Index: A precipitation anomaly is considered relativ to the mean precipitation of a reference period (1981-2010) and based on the underlying statistical distribution (Gamma). The anomlies are considered over different months (3, 6, 9, 12). (More information under:

Climate Modell Data

part of the calculation with python package:

More information about the climate model data source and methods can be found in the text files of the head data set (DOI: 10.58160/99, see "IsPartOf-DOI").

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Metadata Access
Creator Ziegler, Katrin ORCID logo; Abel, Daniel ORCID logo
Publisher University of Würzburg
Contributor RADAR
Publication Year 2024
Funding Reference Federal Ministry of Education and Research ROR 01LG2080A
Rights Open Access; Creative Commons Attribution Non Commercial Share Alike 4.0 International; info:eu-repo/semantics/openAccess;
OpenAccess true
Language English
Resource Type Dataset
Format application/x-tar
Discipline Atmospheric Sciences; Climatology; Geography; Geosciences; Geospheric Sciences; Natural Sciences
Spatial Coverage (-24.530W, -38.238S, 59.950E, 42.350N)
Temporal Coverage 2021-2023