NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
October - December 1900
-4-3-2-11234
Illinois (Hover over a Climate Division)
Z-IndexPalmer Z-Index: -0.80
Anomaly: -0.74
Rank: 40th Driest
Mean: -0.06
Climate Division | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| 1. Northwest | -0.55 | -0.52 | 45 | -0.03 |
| 2. Northeast | -1.07 | -1.02 | 31 | -0.06 |
| 3. West | -1.22 | -1.10 | 28 | -0.12 |
| 4. Central | -0.38 | -0.33 | 55 | -0.05 |
| 5. East | -0.32 | -0.24 | 54 | -0.07 |
| 6. West Southwest | -1.00 | -0.95 | 37 | -0.05 |
| 7. East Southeast | -0.69 | -0.64 | 45 | -0.05 |
| 8. Southwest | -1.47 | -1.41 | 18 | -0.06 |
| 9. Southeast | -1.27 | -1.25 | 23 | -0.02 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
