ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1946

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -2.21

Anomaly: -2.11

Rank: 13th Driest

Mean: -0.10

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September - November 1946 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.50	-0.39	56	-0.10
2. East Upper	-1.41	-1.28	29	-0.12
3. Northwest Lower	-2.22	-1.99	13	-0.23
4. Northeast Lower	-1.89	-1.66	21	-0.24
5. West Central Lower	-1.78	-1.64	17	-0.13
6. Central Lower	-1.88	-1.72	14	-0.16
7. East Central Lower	-2.42	-2.35	5	-0.06
8. Southwest Lower	-1.98	-1.96	15	-0.02
9. South Central Lower	-1.59	-1.64	20	0.05
10. Southeast Lower	-1.74	-1.78	17	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