Yellowstone Times

The average cost for a gallon of regular gas in or near zip code 59047 for the week of May 18-24 is $1.74, according to GasBuddy.com. The lowest price is $1.74.

In greater California, the average price is $2.82 and the lowest price is $1.95. Trends show the price as up.

The average price of unleaded gas in the state is $1.752 per gallon. The previous week, the state average was $1.779 per gallon. The average has decreased since last month, when it was $1.885 per gallon – a 13.3 cent difference.Last year, the average price for a gallon of gas was $2.867.

Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.