Weather Data Depot is your source for free heating degree day and cooling degree day reports and charts! Degree day comparisons are useful for energy management, energy efficiency and utility bill tracking.
Heating degree days: Heating degree days indicate how winter weather affects building heating energy use.
Cooling Degree Days: Cooling degree days indicate how summer weather affects building cooling energy use.
EnergyCAP:EnergyCAP software, the sponsor of Weather Data Depot, tracks your utility bills and statistically correlates degree days to energy use data.