ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1997

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -1.20

Anomaly: -1.10

Rank: 40th Driest

Mean: -0.10

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September - November 1997 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-1.59	-1.49	28	-0.10
2. East Upper	-2.19	-2.06	13	-0.12
3. Northwest Lower	-2.10	-1.87	16	-0.23
4. Northeast Lower	-1.34	-1.10	36	-0.24
5. West Central Lower	-1.34	-1.21	32	-0.13
6. Central Lower	-1.57	-1.42	21	-0.16
7. East Central Lower	0.02	0.08	78	-0.06
8. Southwest Lower	-0.26	-0.25	60	-0.02
9. South Central Lower	0.37	0.32	77	0.05
10. Southeast Lower	0.03	0.00	75	0.03

Citing This Page

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