ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1993

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Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index: 1.38

Anomaly: 1.44

Rank: 26th Wettest

Mean: -0.06

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October - December 1993 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.12	-0.09	59	-0.03
2. Northeast	0.24	0.30	68	-0.06
3. West	0.31	0.43	78	-0.12
4. Central	1.07	1.12	101	-0.05
5. East	1.94	2.01	120	-0.07
6. West Southwest	1.17	1.22	104	-0.05
7. East Southeast	2.10	2.15	122	-0.05
8. Southwest	1.85	1.91	119	-0.06
9. Southeast	2.02	2.04	119	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping