NOAA's National Centers for Environmental Information
Divisional Mapping
Divisional Palmer Z-Index
October - December 1978
-4-3-2-11234
Idaho (Hover over a Climate Division)
Z-IndexPalmer Z-Index: -1.93
Anomaly: -1.92
Rank: 12th Driest
Mean: -0.01
Climate Division | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| 1. Panhandle | -2.46 | -2.22 | 6 | -0.24 |
| 2. North Central Prairies | -1.36 | -1.35 | 28 | -0.01 |
| 3. North Central Canyons | -1.00 | -1.06 | 37 | 0.06 |
| 4. Central Mountains | -1.90 | -1.88 | 8 | -0.02 |
| 5. Southwestern Valleys | -1.48 | -1.45 | 12 | -0.03 |
| 6. Southwestern Highlands | -1.17 | -1.19 | 19 | 0.01 |
| 7. Central Plains | -1.64 | -1.70 | 7 | 0.06 |
| 8. Northeastern Valleys | -1.05 | -1.21 | 23 | 0.17 |
| 9. Upper Snake River Plains | -1.14 | -1.16 | 16 | 0.02 |
| 10. Eastern Highlands | -1.03 | -0.98 | 30 | -0.05 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping
