How much did gas cost in 1998?

January 1998 $1.13 per gallon February 1998 $1.08 per gallon March 1998 $1.04 per gallon April 1998 $1.05 per gallon May 1998 $1.09 per gallon June 1998 $1.09 per gallon July 1998 $1.08 per gallon August 1998 $1.05 per gallon September 1998 $1.03 per gallon October 1998 $1.04 per gallon November 1998 $1.03 per gallon December 1998 $0.99 per gallon