Average retail gasoline prices in Oregon have risen 2.1 cents per gallon in the past week, averaging $2.78 per gallon Sunday, according to GasBuddy.com’s daily survey of 1,307 gas outlets in Oregon. This compares with the national average that has increased 3.5 cents per gallon in the last week to $2.52, according to gasoline price website GasBuddy.

Including the change in gas prices in Oregon during the past week, prices yesterday were 23.3 cents per gallon higher than the same day one year ago and are 2.5 cents per gallon higher than a month ago. The national average has increased 9.0 cents per gallon during the last month and stands 18.7 cents per gallon higher than this day one year ago.