Days of Heating and Cooling Degree days are predicated on the idea that we don't require heating or cooling when the outside temperature is 65°F.
Degree days are the number of days where the daily mean temperature is less than or equal to 65°F (high temperature + low temperature divided by two).Example 1: On one specific day, the high temperature was 90°F and the low temperature was 66°F. The average temperature that day was: ( 90°F + 66°F ) / 2 = 78°F Because the outcome is greater than 65°F:78°F minus 65°F equals 13 days of cooling
learn more about forecasted temperature here:
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