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 Salisbury, Rowan County Airport
About EnergyUnited (NC): Headquartered in Statesville, EnergyUnited is the third largest supplier of residential electricity in the state with a service territory that stretches south from the Virginia border and includes three of North Carolina's largest cities — Charlotte, Winston-Salem, and Greensboro. (see website)