PORTLAND — Gas prices have gone up slightly in Maine in the past week.

Gasoline price-monitoring website GasBuddy.com reports Monday that the average cost of a gallon of gas in Maine is $2.38.

Maine gas prices are 9.3 cents per gallon less compared to a month ago, and about $1.19 lower per gallon than at this time last year.

The price per gallon in Maine is a penny below the national average.

The Maine price is based on a survey of more than 1,200 gas stations.