ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1941

-4-3-2-11234

Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1941 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	2.11	2.14	121	-0.03
2. Northeast	2.58	2.64	128	-0.06
3. West	3.16	3.28	128	-0.12
4. Central	3.33	3.38	129	-0.05
5. East	2.77	2.85	127	-0.07
6. West Southwest	2.81	2.86	126	-0.05
7. East Southeast	1.76	1.81	116	-0.05
8. Southwest	1.38	1.43	111	-0.06
9. Southeast	1.38	1.40	109	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping