Arizona motorists are paying less at the pump again this week.

Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.56 a gallon. That’s down by more than 6 cents from last week.

This week’s national average is $3.46 per gallon, a decrease of more than 4 cents from last week.

Tucson has the lowest average gasoline price in Arizona at $3.33 a gallon while Flagstaff has the highest at $3.80.

South Carolina has the lowest average gas prices in the continental U.S. at $3.13 a gallon with New York having the highest at $3.98 a gallon.