How much did gas cost in 1990?

January 1990 $1.04 per gallon February 1990 $1.04 per gallon March 1990 $1.02 per gallon April 1990 $1.04 per gallon May 1990 $1.06 per gallon June 1990 $1.09 per gallon July 1990 $1.08 per gallon August 1990 $1.19 per gallon September 1990 $1.29 per gallon October 1990 $1.38 per gallon November 1990 $1.38 per gallon December 1990 $1.35 per gallon