CHEYENNE (WNE) — Average gasoline prices in Wyoming have fallen 3.1 cents per gallon in the last week, averaging $2.99 per gallon Monday, according to GasBuddy.com’s survey of 494 stations in Wyoming.

Prices in Wyoming are 9.4 cents per gallon lower than a month ago, and stand 19.7 cents per gallon lower than a year ago.

According to GasBuddy price reports, the lowest price in the state Sunday was $2.42 per gallon, while the highest was $3.99, a difference of $1.57 per gallon.

The national average price of gasoline has fallen 0.3 cents per gallon in the last week, averaging $3.08 per gallon Monday. The national average is down 10.8 cents per gallon from a month ago, and stands 4.7 cents per gallon lower than a year ago, according to GasBuddy data.