ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1968

-4-3-2-11234

Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1968 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.40	0.43	78	-0.03
2. Northeast	0.22	0.27	66	-0.06
3. West	0.66	0.78	90	-0.12
4. Central	-0.04	0.01	68	-0.05
5. East	-0.18	-0.10	61	-0.07
6. West Southwest	0.47	0.52	87	-0.05
7. East Southeast	-0.32	-0.27	51	-0.05
8. Southwest	0.45	0.51	82	-0.06
9. Southeast	0.26	0.28	77	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 10, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping