PDFWAC 51-11C-30100
Section C301—Climate zones.
C301.1 General. Climate zones from Table C301.1 shall be used in determining the applicable requirements from Chapter 4.
Table C301.1
Climate Zones and Moisture Regimes
Designations by State and County
Key: A - Moist, B - Dry, C - Marine. Absence of moisture designation indicates moisture regime is irrelevant. | ||
WASHINGTON | ||
5B Adams | 4C Grays Harbor | 4C Pierce |
5B Asotin | 4C Island | 4C San Juan |
5B Benton | 4C Jefferson | 4C Skagit |
5B Chelan | 4C King | 5B Skamania |
4C Clallam | 4C Kitsap | 4C Snohomish |
4C Clark | 5B Kittitas | 5B Spokane |
5B Columbia | 5B Klickitat | 5B Stevens |
4C Cowlitz | 4C Lewis | 4C Thurston |
5B Douglas | 5B Lincoln | 4C Wahkiakum |
5B Ferry | 4C Mason | 5B Walla Walla |
5B Franklin | 5B Okanogan | 4C Whatcom |
5B Garfield | 4C Pacific | 5B Whitman |
5B Grant | 5B Pend Oreille | 5B Yakima |
[Statutory Authority: RCW 19.27A.025, 19.27A.045, and 19.27.074. WSR 13-23-096, § 51-11C-30100, filed 11/20/13, effective 4/1/14. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-30100, filed 2/1/13, effective 7/1/13.]