Yearly Cooling° Days (To Date) Yearly Heating° Days (To Date) degree day English http://en.wikipedia.org/wiki/Degree_day degree days Yearly Heating° Days (To Date) degree day English English Monthly Cooling° Days (To Date) Cooling° Days (Current) English degree day Heating° Days (Current) English degree days English degree days degree days Yearly Cooling° Days (To Date) Degree Days English English degree day degree day English degree day Monthly Cooling° Days (To Date) Monthly Heating° Days (To Date): degree day http://en.wikipedia.org/wiki/Degree_day English Degree day English degree day degree day degree day degree day English Heating° Days (Current) is essentially a measure of accumulated temperature degree day degree days degree days Degree day degree day degree day Monthly Heating° Days (To Date): degree day degree day degree day degree day Cooling° Days (Current) degree day