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Degree-day
A unit of measure used to establish heating or cooling requirements, one degree-day being accumulated for each degree by which the average outside temperature on a given day is higher or lower than a reference temperature, generally 18°C.
This unit of measure is used for certain weather derivatives. The terms heating degree-day (HDD) and cooling degree-day (CDD) are common in this context.
Translations
Synonyms and variations
- CDD
- Cooling degree-day
- HDD
- Heating degree-day