ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1996

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Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index: -0.13

Anomaly: -0.07

Rank: 61st Driest

Mean: -0.06

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October - December 1996 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.10	0.13	68	-0.03
2. Northeast	-0.10	-0.05	54	-0.06
3. West	-1.33	-1.22	23	-0.12
4. Central	-0.64	-0.59	42	-0.05
5. East	0.11	0.18	67	-0.07
6. West Southwest	-0.40	-0.35	50	-0.05
7. East Southeast	-0.23	-0.18	55	-0.05
8. Southwest	0.66	0.72	92	-0.06
9. Southeast	0.99	1.01	98	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping