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.
Divisional Palmer Z-Index
November 1941 - January 1942
-4-3-2-11234
Washington (Hover over a Climate Division)
Z-IndexPalmer Z-Index: -0.90
Rank: 34th Driest
Anomaly: -0.87
Mean: -0.03
November 1941 - January 1942 Washington Divisional Palmer Z-Index
Climate Division
Value
Rank
130 Years
Anomaly
1901-2000 Mean
1. West Olympic Coast-0.8624-0.85-0.01
2. North East Olympic San Juan-1.4123-1.460.05
3. Puget Sound Lowlands-1.0026-0.95-0.04
4. East Olympic Cascade Foothills-0.9920-0.97-0.01
5. Cascade Mountains West-0.8824-0.85-0.03
6. East Slope Cascades-0.6040-0.58-0.01
7. Okanogan Big Bend0.43840.420.00
8. Central Basin-0.4551-0.510.06
9. Northeastern0.52840.65-0.13
10. Palouse Blue Mountains0.0167-0.050.07

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