San Diego ? Gas prices across the U.S. have hit an all-time high – to just over $3 per gallon.

The national average for self-serve regular stood at $3.0150 a gallon Friday, up 1.98 cents in the last two weeks, according to the Lundberg Survey of 7,000 gas stations across the country.

The price exceed the previous high of $3.0117 set in September last year, analyst Trilby Lundberg said in Camarillo.

Nationwide, the lowest price for regular was $2.77 a gallon in Charleston, S.C., while the highest – $3.28 a gallon – was in San Diego.