Gas was priced at $4 a gallon and up at 24 gas stations in the Philadelphia region, according to AAA Mid-Atlantic, which tracks the information.
Five of the stations were in Philadelphia; three were in Conshohocken, two each were in Newtown and Wayne.
The following towns each had a station with gas priced at more than $4 a gallon:
Bristol, New Hope, Darby, Paoli, Coatesville, Doylestown, Bensalem, Jamison, North Wales, Morrisville, Newtown Square and West Chester.
The highest prices recorded for a gallon was $4.199 at a Lukoil station on Crawford Avenue in Conshohocken.
The next highest was $4.139 a gallon at a Gulf station on North Easton Road in Doylestown, which, according to AAA's numbers, hadn't even reached the $4 mark yesterday.
Meanwhile, average prices at the gas pump continued moving up overnight, with South Jersey getting a bigger jump: up 3 cents to $3.70, according to AAA Mid-Atlantic.
Across the Delaware, in the five-county Philadelphia region, the average price went up 2 cents overnight to $3.87.
At the national level, the price also went up 2 cents, to $3.83.
Diesel fuel also was pricier by the gallon, with the average heading up by 4 cents in South Jersey to $4.55.
The Philadelphia region saw a 3-cent increase, to $4.83.
The national average was up 3 cents to $4.59