Massachusetts gas prices continue to skyrocket, with self-serve regular soaring 12 cents per gallon in the past week alone.

AAA Northeast reports Monday that gas has now jumped 31 cents per gallon in the past month to an average of $2.37.

That's still $1.11 lower than at this time a year ago and 6 cents below the current national average.

AAA says the rapid rise is due to seasonal maintenance at refineries and volatile global crude oil prices.

AAA found self-serve regular selling for as low as $2.08 and as high as $2.55 per gallon.

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