NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
November 2024 - January 2025
-4-3-2-11234
Illinois (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Rank:
Anomaly:
Mean:
Climate Division | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| 1. Northwest | -0.99 | 30 | -0.95 | -0.03 |
| 2. Northeast | -1.05 | 26 | -0.99 | -0.06 |
| 3. West | -0.60 | 43 | -0.53 | -0.06 |
| 4. Central | -0.32 | 43 | -0.32 | 0.00 |
| 5. East | -0.47 | 45 | -0.46 | -0.01 |
| 6. West Southwest | 1.04 | 95 | 1.04 | 0.00 |
| 7. East Southeast | -0.18 | 53 | -0.17 | -0.01 |
| 8. Southwest | 0.46 | 83 | 0.47 | -0.01 |
| 9. Southeast | -0.02 | 65 | -0.04 | 0.01 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on July 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
