PHOENIX -- Gasoline prices at the pump around Arizona are down slightly from last week heading into the July 4 holiday weekend.
Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is at $3.46 a gallon. That's down by 3 cents from last week.
This week's national average is at $3.47 per gallon, a decrease by more than 6 cents from last week.
Tucson has the lowest average gasoline price in Arizona at $3.24 a gallon while Flagstaff has the highest at $3.67.
South Carolina has the lowest average gas prices in the continental U.S. at $3.16 a gallon with California having the highest at $3.98 a gallon.