ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1991

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1991 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	1.82	1.94	121	-0.12
2. East Upper	0.98	1.13	98	-0.15
3. Northwest Lower	2.77	2.97	127	-0.19
4. Northeast Lower	2.33	2.51	127	-0.18
5. West Central Lower	3.19	3.34	127	-0.15
6. Central Lower	2.15	2.28	122	-0.13
7. East Central Lower	0.89	0.94	99	-0.05
8. Southwest Lower	2.49	2.52	127	-0.04
9. South Central Lower	2.08	2.05	121	0.03
10. Southeast Lower	1.32	1.35	102	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping