AAA Michigan says gasoline prices have risen about 10 cents during the past week to a statewide average of about $3.88 per gallon.
The auto club says Monday the average is about 13 cents per gallon more than last year at this time.
Of the cities it surveys, AAA Michigan says the cheapest price for self-serve unleaded fuel is in the Saginaw and Bay City areas, where it's about $3.83 a gallon. The highest average is in the Marquette area at about $3.95.
Dearborn-based AAA Michigan surveys 2,800 Michigan gas stations daily. The auto club's weekly Fuel Gauge report typically is released on Mondays. Due to next week's Memorial Day holiday, AAA says the next report is expected to be released on May 28.