ValueAnomalyRankMean

Divisional Palmer Z-Index

January - March 1920

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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January - March 1920 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-0.41	-0.38	39	-0.03
2. East Upper	0.70	0.75	104	-0.05
3. Northwest Lower	-0.20	-0.23	53	0.02
4. Northeast Lower	-0.56	-0.57	38	0.01
5. West Central Lower	0.12	0.12	69	0.00
6. Central Lower	-0.05	-0.15	52	0.10
7. East Central Lower	-0.87	-0.92	20	0.05
8. Southwest Lower	-0.19	-0.23	54	0.04
9. South Central Lower	-0.62	-0.64	27	0.02
10. Southeast Lower	-1.17	-1.19	15	0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping