ValueRankAnomalyMean

Palmer Drought Severity Index

September 1944

-4-3-2-11234

Climate Regions (Hover over a Climate Region)

PDSIPalmer Drought Severity Index (PDSI):

Rank:

Anomaly:

Mean:

Text Labels

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September 1944 Climate Regions Regional Palmer Drought Severity Index

Climate Region	Value	Rank 130 Years	Anomaly	1901-2000 Mean
Northeast	0.40	62	0.30	0.10
Upper Midwest	-0.21	61	-0.44	0.23
Ohio Valley	-1.78	26	-1.89	0.11
Southeast	-1.15	45	-1.08	-0.07
Northern Rockies and Plains	3.41	99	2.59	0.82
South	-0.33	60	-0.38	0.05
Southwest	-0.80	53	-1.25	0.45
Northwest	-1.01	50	-0.98	-0.03
West	-0.51	57	-0.63	0.12

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published June 2025, retrieved on July 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping