ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1904

-4-3-2-11234

Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1904 Illinois Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.83	-0.91	43	0.09
2. Northeast	-1.06	-1.09	36	0.03
3. West	-0.50	-0.51	55	0.01
4. Central	-0.92	-0.98	32	0.06
5. East	-1.51	-1.53	20	0.02
6. West Southwest	-0.15	-0.26	58	0.10
7. East Southeast	-0.47	-0.54	47	0.07
8. Southwest	0.31	0.27	75	0.04
9. Southeast	0.34	0.30	77	0.04

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping