ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1917

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1917 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.36	-0.25	46	-0.12
2. East Upper	-0.47	-0.33	43	-0.15
3. Northwest Lower	-1.33	-1.13	25	-0.19
4. Northeast Lower	0.20	0.38	71	-0.18
5. West Central Lower	-0.67	-0.52	44	-0.15
6. Central Lower	0.03	0.15	66	-0.13
7. East Central Lower	0.04	0.09	65	-0.05
8. Southwest Lower	-0.02	0.02	57	-0.04
9. South Central Lower	0.47	0.43	69	0.03
10. Southeast Lower	0.58	0.62	81	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 21, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping