Historic Standardised Precipitation Index time series for IHU Groups (1862-2015)

M. Tanguy, M. Fry, C. Svensson & J. Hannaford
Standardised Precipitation Index (SPI) data for Integrated Hydrological Units (IHU) groups (Kral et al. [1]). SPI is a drought index based on the probability of precipitation for a given accumulation period as defined by McKee et al. [2]. SPI is calculated for different accumulation periods: 1, 3, 6, 12, 18, 24 months. Each of these is in turn calculated for each of the twelve calendar months. Note that values in monthly (and for longer accumulation...
This data repository is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.