That's up a penny in the past week and 22 cents in a month. It's 23 cents higher than the national average.
Some metro prices from Monday's AAA survey: Bellingham $4.21, Bremerton $4.07, Seattle-Bellevue-Everett $4.09, Tacoma $4.08, Olympia $4.10, Vancouver $4.05, Yakima $4.02, Tri-Cities $3.97, Spokane $3.88.
In the lower 48 states, El Paso, Texas, has the nation's lowest average price for gas at $3.44, according to the Lundberg Survey of fuel prices. Chicago has the highest at $4.30.