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 Butte, Bert Mooney Airport
About Butte, Bert Mooney Airport (MT): Latitude: 45-57-17N. Longitude: 112-29-51W.