Definicja degree day coefficient
Calculation values that are taken into account for weighted consumption distribution in electricity and gas billing. The degree day coefficient G is the difference between the average room temperature Tr of a building (20 °C, for example) and the average outdoor temperature Ta. The outdoor temperature is calculated from three daily measurements; morning, midday and evening.
G = Tr - Ta
Słownik i definicje SAPa na D.