Whatcom County motorists may soon be pumping gas at costs $4 a gallon - again.
The average price for a gallon of gas was $3.95 on Monday, April 21, in the Bellingham metro area. That's up 7 cents in one week and 22 cents compared to a year ago, according to AAA Washington.
The average price for a gallon of diesel cracked $4 this week, coming in at $4.02. That's the same price as a year ago, according to AAA.
Spring is traditionally a time when gas prices rise, as West Coast refineries do maintenance work and make seasonal changes to the blend of gas. While last year this region saw a quick spike in prices that leveled off in March, this year the spike has been more gradual and has lasted longer, said Jennifer Cook of AAA Washington.
One other factor this spring is crude oil prices, Cook said, which have climbed above $100 a barrel, partly because of unrest in Ukraine.
However, if no other unusual events happen, Cook expects prices should level off in May.
Bellingham's gas price remains the highest among Washington metro areas. Seattle is the next highest, averaging $3.90 a gallon. Spokane has the least expensive gas, at $3.53 a gallon.