Gas prices in Medfield continue their upward march, with prices reaching the highest point ever in February and up more than a quarter in the past month.

AAA Southern New England said its survey of prices in Massachusetts on Monday found self-serve, regular unleaded gas averaging $3.72 per gallon, four cents higher than a week ago and up 31 cents over the past month.

Today, the average price of a gallon of regular gas in Medfield is $3.69, slightly lower than the Massachusetts average.

The least expensive gallon of gas in Medfield today is being sold at Cumberland Farms at $3.67 a gallon, followed by both Irving and Sunoco at $3.69 a gallon, and Gulf at $3.73 a gallon.

AAA offers a new gas saving tip each week with its gas price updates. This week, the AAA suggests drivers accelerate smoothly and brake gradually - it’s safer, uses less gas and reduces brake wear.

Tell us: Have you noticed the higher gas prices? If so, how are you reacting? Are you driving less? Tell us in the comments.