In San Diego County, the average cost of a gallon of self-serve regular gasoline increased by 8.5 cents on Saturday to $5.652, marking the 21st increase in the previous 22 days.
In the last 22 days, the average price has increased 43.3 cents, including 4.1 cents on Friday, according to data from the AAA and the Oil Price Information Service.
It has increased by 26.6 cents from one week ago, 37.1 cents from one month ago, and $1.308 from one year ago. Compared to the record $6.373 established on June 15, the average price is 72.1 cents lower.
Fuel stockpiles are at their lowest levels in a decade, according to Doug Shupe, corporate communications and programmes manager for the Automobile Club of Southern California. "Several local refineries are performing unscheduled maintenance," he added.
After 98 days of declines, the national average price increased for the fourth day in a row, rising 1.1 cents to $3.70.
It is up 1.8 cents from a week ago, down 18.3 cents from a month ago, and up 51.1 cents from a year ago.
In comparison to the record $5.016 achieved on June 14, the national average price is $1.316 lower.