ValueRankAnomalyMean

Divisional Palmer Z-Index

August - October 1901

-4-3-2-11234

Wisconsin (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.25

Rank: 28th Driest

Anomaly: -1.27

Mean: 0.02

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August - October 1901 Wisconsin Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Northwest	-0.45	55	-0.36	-0.08
2. North Central	-0.95	41	-0.92	-0.03
3. Northeast	-0.58	50	-0.60	0.01
4. West Central	0.10	68	0.00	0.10
5. Central	-1.03	33	-1.10	0.07
6. East Central	-0.97	31	-1.06	0.09
7. Southwest	-1.46	20	-1.53	0.07
8. South Central	-2.23	2	-2.31	0.08
9. Southeast	-2.44	2	-2.51	0.07

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