ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1931

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Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.18

Anomaly: 0.28

Rank: 65th Wettest

Mean: -0.11

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October - December 1931 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	0.99	1.11	101	-0.12
2. East Upper	-0.10	0.04	59	-0.15
3. Northwest Lower	1.70	1.90	117	-0.19
4. Northeast Lower	1.22	1.40	99	-0.18
5. West Central Lower	1.08	1.23	97	-0.15
6. Central Lower	0.24	0.37	72	-0.13
7. East Central Lower	-1.28	-1.23	26	-0.05
8. Southwest Lower	-0.38	-0.34	45	-0.04
9. South Central Lower	-0.90	-0.94	32	0.03
10. Southeast Lower	-1.63	-1.60	20	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping