ValueAnomalyRankMean

Divisional Palmer Z-Index

December 1940 - February 1941

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.14

Anomaly: -0.07

Rank: 50th Driest

Mean: -0.07

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December 1940 - February 1941 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.12	-0.03	57	-0.09
2. East Upper	-0.30	-0.17	52	-0.13
3. Northwest Lower	-0.36	-0.28	46	-0.07
4. Northeast Lower	0.32	0.41	79	-0.08
5. West Central Lower	-0.16	-0.07	55	-0.09
6. Central Lower	0.34	0.33	71	0.01
7. East Central Lower	0.31	0.31	74	0.00
8. Southwest Lower	-0.39	-0.39	37	0.00
9. South Central Lower	-0.20	-0.22	46	0.02
10. Southeast Lower	0.00	0.02	54	-0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 25, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping