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IOWA-MISSOURI -- Average retail gasoline prices in Iowa have risen 2.3 cents per gallon in the past week, averaging $3.66 per gallon Sunday. This compares with the national average that has increased 1.1 cents per gallon in the last week to $3.70 per gallon, according to gasoline price website IowaStateGasPrices.com.

Including the change in gas prices in Iowa during the past week, prices Sunday were $1.02 per gallon higher than the same day one year ago and are 17.1 cents per gallon higher than a month ago.

Average retail gasoline prices in Missouri have risen 0.2 cents per gallon in the past week, averaging $3.59 per gallon Sunday.

Including the change in gas prices in Missouri during the past week, prices Sunday were $1.02 per gallon higher than the same day one year ago and are 19.3 cents per gallon higher than a month ago.

The national average has increased 13.2 cents per gallon during the last month and stands 95.5 cents per gallon higher than this day one year ago.

Infomation provided by IowaStateGasPrices.com and MissouriGasPrices.com