Gas prices are up again in Rhode Island, to an average $2.78 for a gallon of regular unleaded.

AAA Northeast says its weekly survey released Monday found gas prices had gone up an average 5 cents per gallon from last week in Rhode Island.

Prices in Rhode Island are still two cents less per gallon than the national average of $2.80.

AAA says last year at this time, gas prices were averaging 33 percent more than today in Rhode Island. Gas cost $3.70 per gallon a year ago, 92 cents more per gallon.