BOSTON — Massachusetts gas prices have fallen 1.4 cents per gallon in the past week, averaging $2.69 per gallon on Monday, according to GasBuddy's daily survey of 2,830 stations.

Gas prices in the Bay State are unchanged from a month ago, yet stand 19.1 cents per gallon lower than a year ago.

The lowest price in Massachusetts Monday is $2.42 per gallon while the highest is $2.99 per gallon, a difference of 57.0 cents per gallon. The cheapest price in the entire country on Monday stands at $1.97 per gallon while the most expensive is $5.09 per gallon, a difference of $3.12 per gallon.

Also over the past week, the national average price of gasoline has fallen 3-cents per gallon in the last week, averaging $2.72 per gallon Monday. The national average is up 1.8 cents per gallon from a month ago, yet stands 12.1 cents per gallon lower than a year ago.