ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1917

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1917 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.52	-0.41	54	-0.10
2. East Upper	-1.41	-1.28	29	-0.12
3. Northwest Lower	-1.60	-1.37	30	-0.23
4. Northeast Lower	-0.17	0.07	67	-0.24
5. West Central Lower	-0.81	-0.67	49	-0.13
6. Central Lower	-0.15	0.01	70	-0.16
7. East Central Lower	-0.30	-0.24	64	-0.06
8. Southwest Lower	0.01	0.03	68	-0.02
9. South Central Lower	0.52	0.47	81	0.05
10. Southeast Lower	0.86	0.83	91	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