SPEI series for world countries

This database includes the representative Standardized Precipitation Evapotranspiration Index (SPEI) series for the different countries of the world from 1901 at the time scales from 1 to 48 months. The data is based on the average precipitation and reference evapotranspiration series from the Climatic Research Unit (last version) for the different world countries.

https://lcsc.csic.es/ficheros/countries_spei.zip

https://lcsc.csic.es/ficheros/SPEI_countries.nc