Las Vegas gas prices are up 25 cents per gallon over the last month, with prices inching higher over the past week.

The average price for a gallon of regular unleaded gasoline on Thursday in the Las Vegas Valley was $3.96 per gallon, up nearly 7 percent from the $3.71 a month ago in Southern Nevada, according to AAA data.

The increasing fuel prices are because of issues with oil refineries in Southern California, where Las Vegas gets much of its fuel from, according to Patrick De Haan, lead petroleum analyst for Gas Buddy.

“In the last month what’s causing the increase primarily had to do with the refinery outages (in California) since late July, early August, that we haven’t fully recovered from,” De Haan said.

Gas prices increased 3 cents over the last week, with the price remaining

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