The average retail gasoline price in Maine fell a little less than a penny per gallon in the past week to an average of $2.34 per gallon.

The survey of 1,228 Maine gas outlets by GasBuddy.com found that Maine gas prices fell a little bit less than the national average. The survey found that gas prices fell 2.4 cents per gallon nationally to $2.31.

Maine gas prices on Sunday were 45.7 cents per gallon less than the same day a year ago and 2.4 cents per gallon less than a month ago. The average national gas price slipped 1.3 cents per gallon during the month and 47.2 cents per gallon over the year.