ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1931

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1931 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	2.12	2.22	120	-0.10
2. East Upper	0.83	0.95	92	-0.12
3. Northwest Lower	2.35	2.58	121	-0.23
4. Northeast Lower	1.65	1.89	115	-0.24
5. West Central Lower	1.81	1.95	118	-0.13
6. Central Lower	0.64	0.79	98	-0.16
7. East Central Lower	-0.86	-0.79	38	-0.06
8. Southwest Lower	-0.28	-0.27	58	-0.02
9. South Central Lower	-0.72	-0.77	40	0.05
10. Southeast Lower	-1.36	-1.39	23	0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping