Divisional Mapping

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
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Divisional Palmer Z-Index
September - November 1911
-4-3-2-11234
Wyoming (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Rank:
Anomaly:
Mean:
September - November 1911 Wyoming Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. Yellowstone Drainage0.0371-0.030.06
2. Snake Drainage0.79940.80-0.01
3. Green and Bear Drainage1.011070.950.05
4. Big Horn-0.3153-0.450.14
5. Powder, Little Mo and Tongue Drainages0.57950.370.20
6. Belle Fourche Drainage1.141010.820.32
7. Cheyenne Niobrara Drainage0.78980.520.27
8. Lower Platte0.2672-0.060.32
9. Wind River0.56910.470.10
10. Upper Platte1.151020.950.20

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