PHOENIX -- Gasoline prices around Arizona are only slightly higher at the pumps this week.
Officials with AAA Arizona said Thursday that the average statewide price for unleaded regular gasoline is $3.51 a gallon. That's up by less than a penny from last week.
This week's national average is at $3.64 per gallon, an increase of almost 1 cent from last week.
Tucson has Arizona's lowest average gasoline price at $3.34 a gallon, and Flagstaff has the highest at $3.70.
Missouri has the lowest average gas prices in the continental U.S. at $3.39 a gallon with California having the highest at $4.13 a gallon.
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