Editing Snohomish County, Washington (section)

===Climate===

The lowland areas of western Snohomish County generally has a temperate [[Mediterranean climate]] similar to the rest of the central Puget Sound region with dry summers and wet winters.<ref name="About"/> The county's weather is heavily influenced by maritime systems, pushed by prevailing westerly winds but dampened by the [[Olympic Mountains]]. The mean monthly temperatures for the county range from {{convert|20 to 40|F|C}} during the winter and {{convert|55 to 65|F|C}} in the summer.<ref name="FEMA-FloodStudy"/> The record highest temperatures were set during a [[2021 Pacific Northwest heat wave|June 2021 heat wave]], with highs of up to {{convert|109|F|C}} recorded in several areas.<ref>{{cite news |last=Sheil |first=Hannah |date=June 28, 2021 |title=Heater repeater: Temperatures spike and the county bakes |url=https://www.heraldnet.com/news/heater-repeater-temperatures-spike-and-the-region-bakes/ |work=The Everett Herald |accessdate=December 18, 2021}}</ref> Annual precipitation ranges from {{convert|35|in|cm}} in the west to {{convert|180|in|cm}} in the upper elevations of the Cascades; the majority of the region's precipitation falls between October and March. The county's lowlands also has an average annual snowfall ranging from {{convert|10 to 20|in|cm}}.<ref name="FEMA-FloodStudy"/> The [[Puget Sound Convergence Zone]], a known meteorological phenomenon, runs through southwestern Snohomish County and causes narrow bands of precipitation.<ref>{{cite news |last=Sistek |first=Scott |date=December 17, 2015 |title=What Is A Puget Sound Convergence Zone? |url=https://komonews.com/weather/faq/what-is-a-puget-sound-convergence-zone |publisher=KOMO News |accessdate=December 18, 2021}}</ref>