Gas prices decrease 3.2 cents

  Washington gas prices have fallen 3.2 cents per gallon in the past week, averaging $3.75/g on Monday, Sept. 27, according to GasBuddy’s daily survey of 2,666 stations in Washington.   Gas prices in Washington are 7.3 cents per gallon lower than a month ago and stand $1.03/g higher than a year ago.   According to GasBuddy price…