1 text/xml image/tiff image/png image/png24 image/png32 image/bmp image/gif image/jpeg image/svg image/bil XML INIMAGE BLANK 0 The Standardized precipitation evapotranspiration index (SPEI) takes into account both precipitation and potential evapotranspiration (PET) and the resultant index is mostly used to highlight water deficits and droughts but can also show excesses. Thus, unlike the SPI, the SPEI captures the main impact of increased temperatures on water demand. Like the SPI, the SPEI can be calculated on a range of timescales from 1-60 months. For more information, visit: https://open.canada.ca/data/en/dataset/d765cc41-8ee0-4aca-be4b-084448e52a58 CRS:84 EPSG:4326 EPSG:3857 -136.269793-52.18748335.02170561.821034 standardized_precipitation_evapotranspiration_index:spei 2013-01-31T12:00:00.0Z/2026-04-30T12:00:00.0Z/P1S standardized_precipitation_evapotranspiration_index:None 2013-01-31T12:00:00.0Z/2026-04-30T12:00:00.0Z/P1S 2013-01-31T12:00:00.0Z/2026-04-30T12:00:00.0Z/P1S