ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1923

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Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.02

Anomaly: -0.93

Rank: 42nd Driest

Mean: -0.10

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September - November 1923 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-1.98	-1.88	20	-0.10
2. East Upper	-1.78	-1.65	21	-0.12
3. Northwest Lower	-1.14	-0.91	44	-0.23
4. Northeast Lower	-1.65	-1.42	28	-0.24
5. West Central Lower	-0.48	-0.34	58	-0.13
6. Central Lower	-0.47	-0.32	58	-0.16
7. East Central Lower	-0.94	-0.88	35	-0.06
8. Southwest Lower	0.95	0.97	93	-0.02
9. South Central Lower	0.04	-0.02	69	0.05
10. Southeast Lower	-0.17	-0.20	61	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