ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1947

-4-3-2-11234

Iowa (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1947 Iowa Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.25	-0.44	54	0.19
2. North Central	-1.20	-1.36	29	0.16
3. Northeast	-1.02	-1.13	28	0.11
4. West Central	-0.92	-1.09	29	0.17
5. Central	-0.78	-0.89	38	0.11
6. East Central	-1.57	-1.59	24	0.02
7. Southwest	-1.66	-1.72	13	0.06
8. South Central	-0.85	-0.89	34	0.04
9. Southeast	-0.61	-0.64	53	0.03

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping