ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1912

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Iowa (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.13

Anomaly: -0.15

Rank: 61st Driest

Mean: 0.03

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October - December 1912 Iowa Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.04	-0.18	62	0.14
2. North Central	0.57	0.45	81	0.12
3. Northeast	-0.19	-0.27	46	0.08
4. West Central	0.75	0.63	92	0.11
5. Central	0.52	0.50	83	0.02
6. East Central	-0.56	-0.48	46	-0.08
7. Southwest	-0.35	-0.38	51	0.03
8. South Central	-0.39	-0.35	50	-0.05
9. Southeast	-0.91	-0.84	36	-0.07

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping