Maine drivers are seeing lower prices at the pump again. Price-monitoring website MaineGasPrices.com reports that the average retail price of a gallon of gas in the state has fallen more than three cents in the past week to an average of $3.64. Nevertheless, Maine residents are still paying more than most Americans. Nationally, prices dropped nearly six cents per gallon in the past week to an average of $3.51. Current prices in Maine are almost 15 cents higher than at the same time last year, but 31 cents per gallon lower than a month ago. A company analyst says despite the effects of superstorm Sandy on the East Coast, prices should continue to decline.