NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
October - December 1939
-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 | -2.09 | -2.23 | 7 | 0.14 |
| 2. North Central | -2.31 | -2.42 | 5 | 0.12 |
| 3. Northeast | -2.61 | -2.69 | 3 | 0.08 |
| 4. West Central | -2.16 | -2.28 | 3 | 0.11 |
| 5. Central | -2.12 | -2.14 | 5 | 0.02 |
| 6. East Central | -2.47 | -2.40 | 6 | -0.08 |
| 7. Southwest | -1.94 | -1.97 | 7 | 0.03 |
| 8. South Central | -2.00 | -1.95 | 10 | -0.05 |
| 9. Southeast | -1.86 | -1.79 | 14 | -0.07 |
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
