ValueAnomalyRankMean

Divisional Palmer Z-Index

August - October 1901

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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August - October 1901 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.52	-0.40	57	-0.12
2. East Upper	0.37	0.50	84	-0.13
3. Northwest Lower	-0.78	-0.56	46	-0.22
4. Northeast Lower	0.77	0.99	96	-0.22
5. West Central Lower	-1.85	-1.71	12	-0.14
6. Central Lower	-1.07	-0.92	30	-0.15
7. East Central Lower	-0.99	-0.97	34	-0.02
8. Southwest Lower	-1.41	-1.34	22	-0.07
9. South Central Lower	-0.98	-1.01	32	0.02
10. Southeast Lower	-1.39	-1.42	19	0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping