ValueAnomalyRankMean

Palmer Drought Severity Index

August 1935

-4-3-2-11234

Climate Regions (Hover over a Climate Region)

PDSIPalmer Drought Severity Index (PDSI):

Anomaly:

Rank:

Mean:

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August 1935 Climate Regions Regional Palmer Drought Severity Index

Climate Region	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Northeast	-0.50	-0.50	59	0.00
Upper Midwest	1.27	1.11	76	0.16
Ohio Valley	-0.13	-0.13	56	0.00
Southeast	0.49	0.51	71	-0.02
Northern Rockies and Plains	-3.86	-4.72	19	0.86
South	1.73	1.70	87	0.03
Southwest	1.01	0.56	91	0.45
Northwest	-2.60	-2.56	20	-0.04
West	-0.23	-0.32	68	0.09

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published June 2025, retrieved on June 15, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping