MISSOULA — It's costing more to fill up at the pump in Montana.
Gas prices have jumped 5.2¢ per gallon over the last week to an average of $3.23 as of Monday, June 23.
Gassbuddy.com reports prices in Montana are 5.6¢ per gallon higher than a month ago and 14.1¢ per gallon lower than a year ago.
The national average has risen 9.7¢ per gallon in the last week to an average of $3.18.
The cheapest gas price was $2.95 per gallon as of Sunday, June 22, while the most expensive was $3.79.
