Average retail gasoline prices in Michigan have risen 4.9 cents per gallon in the past week, averaging $3.92 per gallon Sunday.

This compares with the national average that has fallen 1.4 cents per gallon in the last week to $3.89 per gallong, according to gasoline price website MichiganGasPrices.com.

Including the change in gas prices in Michigan during the past week, prices Sunday were 2.2 cents per gallon lower than the same day one year ago and 4.0 cents per gallon lower than a month ago.