ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1939

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -2.12

Anomaly: -2.02

Rank: 16th Driest

Mean: -0.10

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September - November 1939 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-2.83	-2.73	8	-0.10
2. East Upper	-1.47	-1.35	27	-0.12
3. Northwest Lower	-0.96	-0.73	48	-0.23
4. Northeast Lower	-1.61	-1.38	29	-0.24
5. West Central Lower	-1.39	-1.25	29	-0.13
6. Central Lower	-1.43	-1.28	31	-0.16
7. East Central Lower	-1.67	-1.61	18	-0.06
8. Southwest Lower	-1.52	-1.50	20	-0.02
9. South Central Lower	-1.71	-1.77	16	0.05
10. Southeast Lower	-1.68	-1.71	18	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