AAA says gas prices jumped during the last week to average $3.37 per gallon.
Gas prices in Michigan jumped 15 cents compared to last week.
Drivers in Michigan are now paying an average of $3.37 per gallon at the pump.
That price is 20 cents more than this time last month and 87 cents more than this time last year. Michigan drivers are now paying an average of $50 for a full 15-gallon tank of gas.
AAA says, "If crude prices continue to climb, pump prices will likely follow suit."
The most expensive prices were found up in Marquette and the cheapest prices are being seen in Traverse City, Saginaw and Ann Arbor.