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 Hebron, Hebron Municipal Airport
About Norris PPD (NE): Serving Lancaster, Saline, Jefferson, and Thayer Counties. (see website)