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Oregon Solar Climate Zones by County
Zone 1 Zone 2 Zone 3
 
Benton
Clackamas
Clatsop
Columbia
Lane
Lincoln
Linn
Marion
Multnomah
Polk
Tillamook
Washington
Yamhill
 
Coos
Curry
Douglas
Jackson
Josephine
Klamath (west of Cascades)
 
Baker
Crook
Deschutes
Gilliam
Grant
Harney
Hood River
Jefferson
Klamath (east of Cascades)
Lake
Malheur
Morrow
Sherman
Umatilla
Union
Wallowa
Wasco
Wheeler
 
Page updated: August 01, 2007

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