Cooling Degree Day
- A value used to estimate interior air cooling requirements (load) calculated as the number of degrees per day (over a specified period) that the daily average temperature is above 65 degrees Fahrenheit (or some other, specified base temperature). The daily average temperature is the mean of the maximum and minimum temperatures recorded for a specific location for a 24 hour period.
Energy terms . 2014.
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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 — a degree day above the standard temperature of 75°F (24°C), used in estimating the energy requirements for air conditioning and refrigeration. Cf. growing degree day, heating degree day. * * * … Universalium
cooling degree-day — a degree day above the standard temperature of 75°F (24°C), used in estimating the energy requirements for air conditioning and refrigeration. Cf. growing degree day, heating degree day … Useful english dictionary
cooling degree day — (CDD) see degree day … Dictionary of units of measurement
Cooling degree day — A unit of measure that indicates how heavy the air conditioning needs are under certain weather conditions. California Energy Comission. Dictionary of Energy Terms … Energy terms
Cooling Degree Day - CDD — The number of degrees that a day s average temperature is above 65o Fahrenheit and people start to use air conditioning to cool their buildings. The price of weather derivatives trading in the summer are based on an index made up of monthly… … Investment dictionary
Degree Day — A unit for measuring the extent that the outdoor daily average temperature (the mean of the maximum and minimum daily dry bulb temperatures) falls below (in the case of heating, see Heating Degree Day), or falls above (in the case of cooling,… … Energy terms
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 — ̷ ̷ˈ ̷ ̷| ̷ ̷ noun : a unit that represents one degree of declination from a given point (as 65°) in the mean outdoor temperature of one day and is often used in measuring fuel requirements of buildings * * * /di gree day /, n. Engin. one degree … Useful english dictionary
degree-day — /di gree day /, n. Engin. one degree of departure, on a single day, of the daily mean temperature from a given standard temperature. Abbr.: dd Also, degree day. Cf. cooling degree day, growing degree day, heating degree day. [1925 1930] * * * … Universalium