ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1974

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South Dakota (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.67

Anomaly: -1.98

Rank: 5th Driest

Mean: 0.31

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September - November 1974 South Dakota Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-1.02	-1.22	25	0.20
2. North Central	-1.45	-1.74	9	0.28
3. Northeast	-1.94	-2.36	4	0.42
4. Black Hills	-0.13	-0.53	53	0.39
5. Southwest	-0.69	-1.09	28	0.40
6. Central	-1.50	-1.74	9	0.24
7. East Central	-2.23	-2.50	1	0.27
8. South Central	-1.53	-1.78	10	0.24
9. Southeast	-2.04	-2.25	3	0.22

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping