ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 2020

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 2020 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	0.73	0.85	94	-0.12
2. East Upper	0.96	1.10	97	-0.15
3. Northwest Lower	0.81	1.00	89	-0.19
4. Northeast Lower	1.07	1.25	94	-0.18
5. West Central Lower	-0.50	-0.35	53	-0.15
6. Central Lower	-0.85	-0.72	40	-0.13
7. East Central Lower	-0.60	-0.56	44	-0.05
8. Southwest Lower	-0.65	-0.61	42	-0.04
9. South Central Lower	-0.71	-0.74	37	0.03
10. Southeast Lower	-0.66	-0.63	45	-0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping