The top 5 highest and 5 lowest state average gas prices in the US

A 78-day plunge in gasoline prices that is showing no signs of slowing has dropped the national average price to $2.60 a gallon, its lowest level since December of 2009. It's saving a typical household $60 a month compared to last year around this time, enough for an extra holiday gift or two.

Here are the 5 cheapest and 5 most expensive states for gasoline in the lower 48 states as of Friday, according to AAA.

LOWEST STATE AVERAGES

Missouri - $2.32

Oklahoma - $2.36

Texas - $2.38

Mississippi - $2.39

South Carolina - $2.40

HIGHEST STATE AVERAGES

New York - $3.02

Connecticut - $2.96

Vermont - $2.94

California - $2.92

Washington - $2.90

Don't see your state? See: http://fuelgaugereport.aaa.com/todays-gas-prices/