NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
September - November 1928
-4-3-2-11234
Idaho (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Anomaly:
Rank:
Mean:
Climate Division | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| 1. Panhandle | -1.62 | -1.52 | 15 | -0.10 |
| 2. North Central Prairies | -1.45 | -1.49 | 17 | 0.04 |
| 3. North Central Canyons | -1.21 | -1.28 | 22 | 0.07 |
| 4. Central Mountains | -1.49 | -1.49 | 15 | 0.01 |
| 5. Southwestern Valleys | -1.07 | -1.04 | 21 | -0.03 |
| 6. Southwestern Highlands | -0.67 | -0.70 | 32 | 0.03 |
| 7. Central Plains | -0.52 | -0.62 | 39 | 0.10 |
| 8. Northeastern Valleys | -0.56 | -0.68 | 38 | 0.12 |
| 9. Upper Snake River Plains | -0.04 | -0.10 | 63 | 0.06 |
| 10. Eastern Highlands | -0.30 | -0.31 | 54 | 0.02 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 14, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
