ValueAnomalyRankMean

Divisional Palmer Z-Index

November 2011 - January 2012

-4-3-2-11234

Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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November 2011 - January 2012 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	1.00	1.03	104	-0.03
2. Northeast	1.01	1.07	100	-0.06
3. West	0.73	0.79	94	-0.06
4. Central	0.29	0.29	68	0.00
5. East	0.46	0.47	75	-0.01
6. West Southwest	-0.03	-0.03	58	0.00
7. East Southeast	1.59	1.61	114	-0.01
8. Southwest	1.50	1.51	114	-0.01
9. Southeast	1.91	1.90	122	0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published May 2025, retrieved on June 1, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping