NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
September - November 1929
-4-3-2-11234
Iowa (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Anomaly:
Rank:
Mean:
Climate Division | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| 1. Northwest | 0.48 | 0.29 | 75 | 0.19 |
| 2. North Central | -0.49 | -0.65 | 43 | 0.16 |
| 3. Northeast | -0.81 | -0.92 | 37 | 0.11 |
| 4. West Central | 0.32 | 0.15 | 76 | 0.17 |
| 5. Central | 0.01 | -0.10 | 67 | 0.11 |
| 6. East Central | -0.14 | -0.17 | 64 | 0.02 |
| 7. Southwest | 1.66 | 1.60 | 113 | 0.06 |
| 8. South Central | 0.34 | 0.30 | 83 | 0.04 |
| 9. Southeast | 0.68 | 0.65 | 90 | 0.03 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
