ValueRankAnomalyMean

Palmer Drought Severity Index

September 1969

-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 1969 Climate Regions Regional Palmer Drought Severity Index

Climate Region	Value	Rank 130 Years	Anomaly	1901-2000 Mean
Northeast	0.63	66	0.53	0.10
Upper Midwest	-1.61	25	-1.84	0.23
Ohio Valley	1.06	78	0.95	0.11
Southeast	1.62	98	1.69	-0.07
Northern Rockies and Plains	1.70	77	0.88	0.82
South	-0.68	55	-0.73	0.05
Southwest	1.33	94	0.88	0.45
Northwest	-1.03	49	-1.00	-0.03
West	-0.60	55	-0.72	0.12

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Regional Mapping, published July 2025, retrieved on July 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/mapping