ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1898

-4-3-2-11234

Iowa (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 0.35

Anomaly: 0.33

Rank: 52nd Wettest

Mean: 0.03

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October - December 1898 Iowa Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.06	-0.20	60	0.14
2. North Central	0.76	0.65	89	0.12
3. Northeast	0.37	0.29	72	0.08
4. West Central	0.13	0.02	71	0.11
5. Central	0.88	0.86	96	0.02
6. East Central	-0.13	-0.05	60	-0.08
7. Southwest	-0.17	-0.20	62	0.03
8. South Central	0.84	0.88	101	-0.05
9. Southeast	0.50	0.57	88	-0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping