NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
October - December 1918
-4-3-2-11234
Idaho (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Rank:
Anomaly:
Mean:
Climate Division | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| 1. Panhandle | -0.77 | 48 | -0.53 | -0.24 |
| 2. North Central Prairies | -1.51 | 23 | -1.50 | -0.01 |
| 3. North Central Canyons | -1.25 | 26 | -1.32 | 0.06 |
| 4. Central Mountains | -1.30 | 28 | -1.28 | -0.02 |
| 5. Southwestern Valleys | -1.03 | 28 | -1.00 | -0.03 |
| 6. Southwestern Highlands | -0.38 | 50 | -0.39 | 0.01 |
| 7. Central Plains | -0.27 | 51 | -0.33 | 0.06 |
| 8. Northeastern Valleys | -1.04 | 24 | -1.21 | 0.17 |
| 9. Upper Snake River Plains | -0.49 | 44 | -0.51 | 0.02 |
| 10. Eastern Highlands | -0.54 | 50 | -0.50 | -0.05 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
