How much did milk cost in 1998?

January 1998 $2.63 per gallon February 1998 $2.65 per gallon March 1998 $2.66 per gallon April 1998 $2.67 per gallon May 1998 $2.67 per gallon June 1998 $2.62 per gallon July 1998 $2.63 per gallon August 1998 $2.72 per gallon September 1998 $2.76 per gallon October 1998 $2.79 per gallon November 1998 $2.80 per gallon December 1998 $2.86 per gallon