ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1921

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Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.92

Anomaly: -0.83

Rank: 46th Driest

Mean: -0.10

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September - November 1921 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-2.38	-2.28	15	-0.10
2. East Upper	-0.78	-0.66	45	-0.12
3. Northwest Lower	-1.18	-0.95	41	-0.23
4. Northeast Lower	-0.65	-0.42	55	-0.24
5. West Central Lower	-0.33	-0.20	61	-0.13
6. Central Lower	-0.87	-0.71	47	-0.16
7. East Central Lower	-0.63	-0.56	49	-0.06
8. Southwest Lower	0.68	0.69	87	-0.02
9. South Central Lower	0.52	0.46	81	0.05
10. Southeast Lower	0.21	0.18	80	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