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
November 1901 - January 1902
-4-3-2-11234
Wyoming (Hover over a Climate Division)
Z-IndexPalmer Z-Index:
Rank:
Anomaly:
Mean:
November 1901 - January 1902 Wyoming Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. Yellowstone Drainage0.0366-0.060.09
2. Snake Drainage-2.1810-2.11-0.07
3. Green and Bear Drainage-1.7610-1.65-0.11
4. Big Horn-0.3554-0.420.07
5. Powder, Little Mo and Tongue Drainages-0.2955-0.410.12
6. Belle Fourche Drainage0.26700.020.24
7. Cheyenne Niobrara Drainage0.28780.140.14
8. Lower Platte-0.2546-0.400.15
9. Wind River-0.6042-0.640.04
10. Upper Platte-1.589-1.610.04

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