Drought Termination and Amelioration

Current Drought Reduction

To view maps and data of precipitation, associated probabilities, and percent of normal precipitation needed to end or ameliorate drought as it currently exists across the Contiguous U.S., select from the options below and then click "Submit".

Drought Reduction Map

Data File: Precip to End Current Drought

The end of a drought is defined by a PHDI value of -0.5.
Drought amelioration is achieved when a PHDI value of -2.0 is reached.