The national average price for a gallon of unleaded gasoline fell 6.2 cents to $2.375 for the week ending Sept. 14, according to federal data.

The continuous decline over the past several months has brought gasoline to a February low, when it reached $2.33 per gallon for the week ending Feb. 24, according to data from the U.S. Department of Energy. The price on Labor Day weekend reached an 11-year low. The price is now $1.033 less than it was a year ago.

Gasoline prices fell across the board in regions tracked by the federal government with the sharpest decline coming on the West Coast of a 9.9-cent slide to $2.992. Among the nine regions, the Gulf Coast has the cheapest gasoline at $2.091 per gallon.

Among states, gasoline now costs at least $3 per gallon in only Alaska ($3.283), California ($3.167) and Nevada ($3.064). On the other end of the spectrum, gasoline costs less than $2 per gallon in Alabama ($1.989), Mississippi ($1.988), and South Carolina ($1.94).

Meanwhile, the price of diesel fell 1.7 cents to $2.517 per gallon. Diesel now costs $1.284 less than it did a year ago.