ValueAnomalyRankMean

Palmer Drought Severity Index

October 1934

-4-3-2-11234

Climate Regions (Hover over a Climate Region)

PDSIPalmer Drought Severity Index (PDSI):

Anomaly:

Rank:

Mean:

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October 1934 Climate Regions Regional Palmer Drought Severity Index

Climate Region	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Northeast	0.65	0.56	64	0.09
Upper Midwest	0.17	-0.08	64	0.25
Ohio Valley	-4.01	-4.17	4	0.16
Southeast	0.96	0.88	80	0.08
Northern Rockies and Plains	-7.05	-7.88	2	0.83
South	-5.32	-5.45	5	0.13
Southwest	-6.40	-6.80	1	0.40
Northwest	-2.89	-2.81	12	-0.08
West	0.27	0.11	79	0.16

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published June 2025, retrieved on June 10, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping