CHEYENNE (WNE)  — Average gasoline prices in Wyoming have fallen 16.4 cents per gallon in the last week, averaging $4.32 per gallon Monday, according to GasBuddy.com’s survey of 494 stations in Wyoming.

Prices in Wyoming are 9 cents per gallon higher than a month ago, and stand $1.25 per gallon higher than a year ago. The national average price of diesel has decreased 15.5 cents compared to a week ago, and stands at $5.437 per gallon.

According to GasBuddy price reports, the lowest price in the state Sunday was $3.86 per gallon, while the highest was $5.39, a difference of $1.53 per gallon.

The national average price of gasoline has fallen 19.5 cents per gallon in the last week, averaging $4.26 per gallon today. The national average is down 17.8 cents per gallon from a month ago and stands $1.18 per gallon higher than a year ago, according to GasBuddy data.