The average price of a gallon of self-serve regular gasoline in Riverside County rose Thursday for the 15th time in 16 days, increasing eight-tenths of a cent to $4.638, its highest amount since Oct. 14, 2012.
The average price has increased 12.3 cents over the past 16 days, including four-tenths of a cent Wednesday, according to figures from the AAA and Oil Price Information Service. It rose 13 consecutive days, was unchanged Tuesday and resumed increasing Wednesday.
The average price is 5 cents shy of matching the record high of $4.688 set on Oct. 8, 2012. The 2012 figures included stations in San Bernardino County.
The average price is 2.5 cents more than one week ago, 17.5 cents higher than one month ago and $1.538 greater than one year ago.