I’ve had several readers ask the same question: What are degree days?
The statistic is a measure of heating and cooling. It comes from the difference between the day’s average temperature and 65 degrees. A high degree days value means your heat or air conditioning is cranking; zero means it’s time to open the windows.
Because this winter has been so mild, you shouldn't be surprised to learn that degree days to date are running lower than normal and lower than a year ago. That's good news for your heating bill.
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