ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1998

-4-3-2-11234

Michigan (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -2.61

Anomaly: -2.51

Rank: 9th Driest

Mean: -0.10

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September - November 1998 Michigan Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. West Upper	-2.63	-2.52	9	-0.10
2. East Upper	-1.85	-1.73	19	-0.12
3. Northwest Lower	-1.63	-1.40	28	-0.23
4. Northeast Lower	-1.72	-1.48	27	-0.24
5. West Central Lower	-1.08	-0.95	41	-0.13
6. Central Lower	-1.43	-1.27	31	-0.16
7. East Central Lower	-2.30	-2.23	7	-0.06
8. Southwest Lower	-2.16	-2.14	10	-0.02
9. South Central Lower	-1.83	-1.88	14	0.05
10. Southeast Lower	-2.74	-2.77	2	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