ValueAnomalyRankMean

Palmer Drought Severity Index

October 1924

-4-3-2-11234

Climate Regions (Hover over a Climate Region)

PDSIPalmer Drought Severity Index (PDSI):

Anomaly:

Rank:

Mean:

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October 1924 Climate Regions Regional Palmer Drought Severity Index

Climate Region	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Northeast	-1.05	-1.14	44	0.09
Upper Midwest	-0.61	-0.86	50	0.25
Ohio Valley	-0.82	-0.98	45	0.16
Southeast	2.23	2.15	105	0.08
Northern Rockies and Plains	3.05	2.22	98	0.83
South	-2.56	-2.69	22	0.13
Southwest	-1.67	-2.07	33	0.40
Northwest	-3.04	-2.96	11	-0.08
West	0.95	0.79	93	0.16

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published June 2025, retrieved on June 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping