Gas up a penny in Massachusetts; remains a nickel lower than month ago

After several consecutive weeks of declines, gasoline prices have ticked up in Massachusetts.

AAA Southern New England reports Monday that the cost of a gallon of self-serve, regular has gone up by a penny in the past week to an average of $3.45.

The current price is still a nickel lower than it was a month ago and 21 cents lower than at this time last year.

The Massachusetts price is a penny above the national average.

AAA found self-serve, regular selling for as low as $3.29 per gallon and as high as $3.89 per gallon in Massachusetts.