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 Jackson, Carroll Airport
About Big Sandy RECC (KY): Serving 12,500 members in Knott, Floyd, Martin, Morgan, Johnson, Breathitt Lawrence Counties. (see website)