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. assuming climatological conditions for the remainder of the month, select from the options below and then click "Submit". 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.

Download Recovery Map Data: xml csv json txt

Current Palmer Hydrological Drought Index

September 17, 2018

Download PHDI Data: xml csv json txt