How much did gas cost in 1988?

January 1988 $0.93 per gallon February 1988 $0.91 per gallon March 1988 $0.90 per gallon April 1988 $0.93 per gallon May 1988 $0.96 per gallon June 1988 $0.96 per gallon July 1988 $0.97 per gallon August 1988 $0.99 per gallon September 1988 $0.97 per gallon October 1988 $0.96 per gallon November 1988 $0.95 per gallon December 1988 $0.93 per gallon