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The new weather page in the Journal-World includes a statistic called "season cooling degree days." What does that mean?

The concept of degree days was developed by heating engineers as a way to relate each day's temperatures to the demand for fuel to heat or cool buildings.

It was found that for an average outdoor temperature up to 65 degrees Fahrenheit, most buildings require heat to maintain a 70-degree temperature inside. Similarly, for an average outdoor temperature of 65 degrees or more, most buildings require air conditioning to maintain a 70 degree temperature inside. So degree days can help you understand how much more or less you might have to spend on heating or air conditioning in a given season.

Cooling degree days are based on the day's average temperature minus 65.

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