ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1900

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Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.92

Anomaly: 1.02

Rank: 34th Wettest

Mean: -0.10

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September - November 1900 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	2.10	2.20	119	-0.10
2. East Upper	2.21	2.33	120	-0.12
3. Northwest Lower	0.90	1.13	99	-0.23
4. Northeast Lower	1.70	1.94	116	-0.24
5. West Central Lower	-0.90	-0.76	47	-0.13
6. Central Lower	-0.77	-0.61	51	-0.16
7. East Central Lower	-0.40	-0.33	60	-0.06
8. Southwest Lower	-0.04	-0.03	65	-0.02
9. South Central Lower	-0.17	-0.22	56	0.05
10. Southeast Lower	-0.64	-0.68	42	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