cooling degree day — ( CDD) A day in which the average daily temperature is more than 65 degrees Fahrenheit, and therefore likely to be a day in which people turn on their air conditioning. A Cooling Degree Day is assigned a value that represents the number of… … Financial and business terms
cooling degree day — (CDD) see degree day … Dictionary of units of measurement
Cooling Degree Days — (CDD) A measure of how warm a location is over a period of time relative to a base temperature, most commonly specified as 65 degrees Fahrenheit. The measure is computed for each day by subtracting the base temperature (65 degrees) from the… … Energy terms
degree day — (deg da) a unit used in meteorology and engineering to measure the demand for heating or cooling. In the United States, it s agreed that 65 °F (18.3 °C) is the critical outside temperature; below this tempeature heating is needed and above it… … Dictionary of units of measurement
Heating degree day — United States Heating Degree Day map, 1961 1990 … Wikipedia
cumulative degree day — The sum of the daily Heating Degree Day (HDD) or Cooling Degree Day ( CDD) values over a specified period, usually a month or a season. This value would also be the number recorded in that month s or season s HDD or CDD Index value. Chicago… … Financial and business terms
CDD — cooling degree day (CDD) A day in which the average daily temperature is more than 65 degrees Fahrenheit, and therefore likely to be a day in which people turn on their air conditioning. A Cooling Degree Day is assigned a value that represents… … Financial and business terms
CDD — may mean:*Capability Development Document, a document used by military of the United States when making decisions about equipment. *Centre for Democracy and Development, a non government organization in Africa *Congregatio Discipulorum Domini, a… … Wikipedia
Natural gas prices — at the Henry Hub in US Dollars per MBtu for the 2000 2010 decade. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil… … Wikipedia
Grados día de enfriamiento — es un indicador del grado de rigurosidad climática de un sitio ya que relaciona la temperatura media con una cierta temperatura de confort para refrigeración. Se define como la suma de las diferencias horarias de la temperatura máxima media del… … Wikipedia Español