AAA Michigan reports that the statewide average daily gas price decreased about 5 cents. Michigan’s current statewide average is about $2.26 per gallon, about 5 cents less than last week’s average and about 52 cents more than this same time last year.Metro Detroit’s average daily gas price decreased about one cent. Metro Detroit’s current average is about $2.24 per gallon, about one cent less than last week’s average and about 54 cents more than this same time last year. Of the ten Michigan metro areas surveyed by AAA for self-serve unleaded fuel prices, the lowest average price can be found in the Benton Harbor area, where it’s about $2.20 a gallon. The highest average price can be found in the Marquette area for the sixth consecutive week in a row where it’s about $2.45 a gallon. According to the latest reports from AAA:State·Michigan ranked:·25th in the nation for least expensive average daily gas price·2nd in the nation for biggest weekly change ( -05 cents)·10th in the nation for biggest monthly change (-09 cents)