ValueRankAnomalyMean

Divisional Palmer Z-Index

October - December 2017

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South Dakota (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.54

Rank: 34th Driest

Anomaly: -0.80

Mean: 0.26

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October - December 2017 South Dakota Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Northwest	-0.95	10	-1.17	0.22
2. North Central	-0.79	19	-1.01	0.22
3. Northeast	-0.73	22	-1.06	0.33
4. Black Hills	-0.41	43	-0.80	0.39
5. Southwest	-0.46	35	-0.82	0.37
6. Central	-0.73	25	-0.93	0.20
7. East Central	0.53	82	0.34	0.19
8. South Central	-0.51	36	-0.75	0.24
9. Southeast	0.58	85	0.41	0.17

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping