The average price of a gallon of self-serve regular gasoline in Riverside County rose for the 21st consecutive day Monday, increasing six-tenths of a cent to $3.477.
The average price has risen 14.7 cents over the past 21 days, including one-tenth of a cent Sunday, to its highest amount since Feb. 27, according to figures from the AAA and Oil Price Information Service.
The average price is 4 cents higher than one week ago, 21.7 cents more than one month ago, and one-tenth of a cent higher than one year ago.