ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 2005

-4-3-2-11234

Iowa (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 2005 Iowa Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.85	0.67	88	0.19
2. North Central	0.53	0.37	81	0.16
3. Northeast	-0.44	-0.55	44	0.11
4. West Central	-1.49	-1.66	16	0.17
5. Central	-1.30	-1.41	26	0.11
6. East Central	-2.38	-2.40	7	0.02
7. Southwest	-2.40	-2.46	6	0.06
8. South Central	-2.14	-2.18	7	0.04
9. Southeast	-1.86	-1.89	12	0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published May 2025, retrieved on June 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping