ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1925

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Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1925 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.91	0.94	98	-0.03
2. Northeast	0.07	0.13	63	-0.06
3. West	1.17	1.29	105	-0.12
4. Central	0.78	0.83	89	-0.05
5. East	-0.37	-0.30	52	-0.07
6. West Southwest	1.16	1.21	103	-0.05
7. East Southeast	0.11	0.16	67	-0.05
8. Southwest	1.41	1.47	112	-0.06
9. Southeast	1.67	1.69	113	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping