24 saatlik bir zaman dilimi için belirli bir temel sıcaklık ile dış hava sıcaklığının farkı
الإنجليزية - الإنجليزية
تعريف degree day في الإنجليزية الإنجليزية القاموس.
A measure of heating or cooling, computed as the integral of a function of time that generally varies with temperature
A unit used in estimating the fuel consumption for a building; equal to the number of degrees that the mean temperature, for a 24-hour day, is below the base temperature, often 65F