Gas prices decreased again on Monday, with an average price of $3.445 per gallon for regular-grade gas. It’s the second straight week of falling gas prices in the country, a trend that started shortly before the Memorial Day weekend. 

Monday’s price was slightly cheaper than Sunday, when gas cost $3.449 per gallon. Gas is also cheaper than a week ago, when a gallon of regular-grade gasoline cost $3.532 per gallon. A month ago, gas averaged $3.636 per gallon.