ValueAnomalyRankMean

Divisional Palmer Z-Index

November 1956 - January 1957

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.71

Anomaly: -1.61

Rank: 13th Driest

Mean: -0.10

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November 1956 - January 1957 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.64	-0.50	41	-0.14
2. East Upper	-0.59	-0.44	47	-0.14
3. Northwest Lower	-1.01	-0.85	32	-0.16
4. Northeast Lower	-0.94	-0.79	32	-0.16
5. West Central Lower	-2.20	-2.01	7	-0.19
6. Central Lower	-1.71	-1.62	14	-0.09
7. East Central Lower	-1.55	-1.52	16	-0.03
8. Southwest Lower	-2.73	-2.71	2	-0.02
9. South Central Lower	-1.88	-1.92	11	0.04
10. Southeast Lower	-1.00	-0.98	32	-0.02

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