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 Burlington, Burlington Regional Airport
About McDonough Power (IL): McDonough Power is an electric distribution cooperative serving 4,783 members in seven west-central Illinois counties (Fulton, Hancock, Henderson, Knox, McDonough, Schuyler and Warren). (see website)