ValueRankAnomalyMean

Divisional Palmer Z-Index

November 1917 - January 1918

-4-3-2-11234

Wisconsin (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.41

Rank: 44th Driest

Anomaly: -0.42

Mean: 0.01

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November 1917 - January 1918 Wisconsin Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Northwest	-0.88	30	-0.87	-0.01
2. North Central	-0.90	26	-0.86	-0.04
3. Northeast	-0.79	36	-0.70	-0.08
4. West Central	-0.58	39	-0.69	0.11
5. Central	-0.09	57	-0.13	0.04
6. East Central	0.37	73	0.30	0.07
7. Southwest	-0.71	32	-0.73	0.02
8. South Central	-0.01	58	-0.05	0.04
9. Southeast	0.78	91	0.75	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping