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 Lincoln, Lincoln Municipal Airport
About Butler PPD (NE): Serving approximately 6,200 customers in rural Butler and Saunders counties, and the villages of Abie, Bellwood, Bruno, Dwight, Garrison, Linwood, Loma, Malmo, Octavia, Rising City, Surprise, Touhy, Ulysses and Valparaiso. (see website)