Gasoline prices are beginning to creep up across Southern Middle Tennessee and where you stop to top off your tank can vary by as much as 20 cents per gallon. The Thursday GasBuddy service of area prices indicates Manchester drivers paying the most for a gallon of regular fuel at a price of $2.54. Murfreesboro is at $2.31 per gallon. The survey shows a charge of $2.38 in Tullahoma. Shelbyville and Winchester pump prices range around $2.45. McMinnville fuel prices are at $2.46. The state average for regular gas was $2.51 Thursday, up by 12 cents in a month while edging up, gas is still almost a dollar a gallon cheaper than June, 2014.