Value Anomaly Rank Mean

Divisional Palmer Z-Index

September - November 1956

-4-3-2-11234

Wisconsin (Hover over a Climate Division)

Z-Index Palmer Z-Index : -1.56

Anomaly: -1.63

Rank: 24th Driest

Mean: 0.07

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**Insufficient variability in the data record renders rank insignificant

September - November 1956 Wisconsin Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-1.29	-1.34	29	0.04
2. North Central	-1.40	-1.43	27	0.03
3. Northeast	-1.18	-1.19	34	0.01
4. West Central	-1.62	-1.74	18	0.13
5. Central	-0.81	-0.85	41	0.04
6. East Central	-0.70	-0.78	48	0.08
7. Southwest	-1.29	-1.38	26	0.08
8. South Central	-1.54	-1.64	17	0.10
9. Southeast	-2.52	-2.63	3	0.11

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping