CONCORD, N.H. (AP) - The average price of a gallon of gas in New Hampshire has gone up nearly 2 cents a gallon in the past week, to $3.51.

That's according to the gasoline price website GasBuddy.com, which surveyed 875 gas stations in the state.

The price as of Sunday is 4 cents higher than the same day a year ago, and 1.4 cents more than last month.

Nationally, the average price went up 3.4 cents per gallon in the past week to $3.59. The national average is 7.2 cents higher than the same day last year.

GasBuddy operates NewHampshireGasPrices.com and more than 250 other websites that track prices at more than 140,000 gas stations in the United States and Canada