In Orange County, the average is $4.383 a gallon, up 17 cents since last week. That’s also a rise of 17.3 cents since last month, and a rise of 18.8 cents since last year. In San Diego, the average price is $4.369 a gallon, 14.8 cents above last week, 13 cents above last month, and 18 cents higher than last year. On the Central Coast, the average price is $4.420, up 16.7 cents from last week, 17 cents higher than a month ago, and 16 cents above last year. In the Inland Empire, the average per gallon price is $4.370, up 16.8 cents from last week, 14 cents higher than last month, and 17 cents more than last year.