NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
October - December 1999
-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 | 0.13 | 0.37 | 77 | -0.24 |
| 2. North Central Prairies | 0.21 | 0.22 | 73 | -0.01 |
| 3. North Central Canyons | 0.03 | -0.03 | 69 | 0.06 |
| 4. Central Mountains | -0.86 | -0.84 | 39 | -0.02 |
| 5. Southwestern Valleys | -1.52 | -1.49 | 10 | -0.03 |
| 6. Southwestern Highlands | -2.21 | -2.23 | 1 | 0.01 |
| 7. Central Plains | -2.12 | -2.17 | 1 | 0.06 |
| 8. Northeastern Valleys | -1.83 | -2.00 | 5 | 0.17 |
| 9. Upper Snake River Plains | -2.12 | -2.14 | 1 | 0.02 |
| 10. Eastern Highlands | -2.76 | -2.72 | 2 | -0.05 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published May 2025, retrieved on May 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
