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 Aurora, Buckley Air Force Base Airport
About United Power (CO): Serving Colorado's front range, extending from the mountains of Coal Creek Canyon and Golden Gate Canyon to the farmlands of Brighton, Hudson and Keenesburg. (see website)