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Palmer Drought Severity Index (PDSI) from NCAR
PDSI from the Dai dataset. The Palmer Drought Severity Index (PDSI) is devised by Palmer (1965) to represent the severity of dry and wet spells over the U.S. based on monthly... -
CPC Soil Moisture
The monthly data set consists of a file containing monthly averaged soil moisture water height equivalents. Note that data is model-calculated and not measured directly. The...