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 location, in percentage of the normal demand expected under normal weather conditions during this 7-day period.
as observed at Sexton Summit,
About Sexton Summit, (OR): Latitude: 42-36-01N. Longitude: 123-21-51W.