LIMA — Gas prices in Lima are up two and a half cents from last week’s average, but they’re still 78.5 cents lower than last year’s average, according to prices reported on GasBuddy.com. The average price of a gallon of regular unleaded gasoline was $2.373 on Monday morning, up 2.6 cents from last week’s average and up 21.7 cents from last month’s average.