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 Washington Administrative Code (Last Updated: November 23, 2016)
 Title 51. Enterprise Services, Department of (Building Code Council)
 Chapter 51-11R. State Building Code adoption and amendment of the 2015 edition of the International Energy Conservation Code, Residential.

  Section 51-11R-30100. Section R301—Climate zones.  

Latest version.
  • R301.1 General. Climate zones from Table R301.1 shall be used in determining the applicable requirements from Chapter 4. Locations not in Table R301.1 (outside the United States) shall be assigned a climate zone based on Section R301.3.
    R301.2 Warm humid counties. Warm humid counties are identified in Table R301.1 by an asterisk.
    R301.3 International climate zones. The climate zone for any location outside the United States shall be determined by applying Table R301.3(1) and then Table R301.3(2).
    TABLE R301.1
    CLIMATE ZONES, MOISTURE REGIMES, AND WARM-HUMID
    DESIGNATIONS BY STATE AND COUNTY
    [Statutory Authority: RCW 19.27A.025, 19.27A.045, and 19.27.074. WSR 13-23-096, § 51-11R-30100, filed 11/20/13, effective 4/1/14. Statutory Authority: RCW 19.27A.020, 19.27A.045 and chapters 19.27 and 34.05 RCW. WSR 13-04-055, § 51-11R-30100, filed 2/1/13, effective 7/1/13.]
RCW 19.27A.025, 19.27A.045, and 19.27.074. WSR 13-23-096, § 51-11R-30100, filed 11/20/13, effective 4/1/14. Statutory Authority: RCW 19.27A.020, 19.27A.045 and chapters 19.27 and 34.05 RCW. WSR 13-04-055, § 51-11R-30100, filed 2/1/13, effective 7/1/13.