Gasoline prices at the pump around Arizona are lower for the fourth consecutive week.

Officials with Triple-A Arizona said Thursday that the average statewide price for unleaded regular gasoline is at $3.42 a gallon. That's down by nearly 4 cents from last week.

This week's national average is at $3.53 per gallon, down by less than a penny from the previous week.

Triple-A analysts say Arizona's fuel prices now are at a six-month low.

Tucson has the lowest average gasoline price in Arizona at $3.30 a gallon while Flagstaff has the highest at $3.68.

South Carolina has the lowest average gas prices in the continental U.S. at $3.22 a gallon with Connecticut having the highest at $3.91 a gallon.