ValueRankAnomalyMean

Divisional Palmer Z-Index

October - December 1931

-4-3-2-11234

Illinois (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Rank:

Anomaly:

Mean:

Text Labels

Download: CSV JSON XML

October - December 1931 Illinois Divisional Palmer Z-Index

Climate Division	Value	Rank 130 Years	Anomaly	1901-2000 Mean
1. Northwest	2.10	120	2.13	-0.03
2. Northeast	1.46	109	1.52	-0.06
3. West	0.90	98	1.02	-0.12
4. Central	0.42	79	0.47	-0.05
5. East	0.15	70	0.22	-0.07
6. West Southwest	0.24	74	0.29	-0.05
7. East Southeast	1.03	101	1.08	-0.05
8. Southwest	-0.02	68	0.03	-0.06
9. Southeast	0.38	81	0.40	-0.02

Citing This Page

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