Gas prices dropped slightly on Friday, with the national average for a gallon of regular gas coming in at $3.22, according to AAA. 

On Thursday, the average price for a gallon of regular gas was $3.224. Even with the increase, this is still cheaper than a week ago, when regular gas was $3.23 per gallon. A month ago, a gallon of regular gas cost $3.404. Friday’s decrease in price comes after two straight days of modest price jumps.