Upper panel of the plot shows population-weighted high and low temperature for each day (note: day-1 has high temperature only). Lower panel shows the forecast electricity demand for the service area of the company, in percentage of the normal demand expected under normal weather conditions during this 7-day period.
as observed at Kenansville, Duplin County Airport
About Tri-County EMC (NC): Serving 20,400 members in Wayne, Duplin, Lenoir, Johnston, Jones, Sampson and Wilson Counties. (see website)