ValueAnomalyRankMean

Divisional Palmer Z-Index

July - September 2003

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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July - September 2003 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-1.28	-1.29	27	0.01
2. East Upper	0.17	0.23	77	-0.06
3. Northwest Lower	0.14	0.26	82	-0.12
4. Northeast Lower	-0.09	0.07	69	-0.16
5. West Central Lower	-0.53	-0.47	53	-0.06
6. Central Lower	-0.87	-0.82	35	-0.05
7. East Central Lower	-0.71	-0.79	43	0.09
8. Southwest Lower	-0.65	-0.56	48	-0.09
9. South Central Lower	0.43	0.42	84	0.00
10. Southeast Lower	0.36	0.29	77	0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 24, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping