ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1991

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1991 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	2.17	2.27	121	-0.10
2. East Upper	1.19	1.32	98	-0.12
3. Northwest Lower	2.43	2.66	123	-0.23
4. Northeast Lower	1.84	2.07	118	-0.24
5. West Central Lower	3.03	3.17	126	-0.13
6. Central Lower	1.54	1.70	115	-0.16
7. East Central Lower	-0.18	-0.12	72	-0.06
8. Southwest Lower	2.20	2.22	122	-0.02
9. South Central Lower	1.39	1.34	101	0.05
10. Southeast Lower	0.28	0.25	82	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