Value Anomaly Rank Mean

Divisional Palmer Z-Index Anomaly (1901-2000 mean)

October - December 1926

-7-5-3-11357

South Dakota (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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**Insufficient variability in the data record renders rank insignificant

October - December 1926 South Dakota Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.02	-0.20	68	0.22
2. North Central	-0.04	-0.25	59	0.22
3. Northeast	1.32	0.99	97	0.33
4. Black Hills	0.88	0.48	91	0.39
5. Southwest	0.42	0.06	80	0.37
6. Central	-0.06	-0.26	57	0.20
7. East Central	0.34	0.15	74	0.19
8. South Central	-0.30	-0.53	50	0.24
9. Southeast	0.05	-0.13	61	0.17

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping