Drivers in the area enjoyed a bit of relief at the pump. According to GasBuddy, the average price of a gallon of gas on Sunday was $2.72, 2.4 cents lower than a week earlier. Analysts say as the summer travel season draws to a close, drivers may see more good news at the pump. Labor Day will likely claim the cheapest prices for a summer holiday this year. The national average on Sunday was $2.82 per gallon, 3.1 cents lower than a week earlier. Gasbuddy.com says the lowest price in Wisconsin is at $2.59, while the state average is $2.79 per gallon.