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Free Degree Day Reports

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.

Current Location

Loader Select a Location in one of three ways:
  • Type the Postal Code
  • Weather Station Code
  • Type the City, State

Enter Postal Code, Weather Station Code, or City, State

The balance point temperature is the average daily outside temperature at which a building maintains a comfortable indoor temperature without heating or cooling. See the FAQ for more information.
The base year is the baseline calendar year to use in weather comparisons.
The comparison year is the calendar year to compare against the baseline year in weather comparisons.
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Monthly Degree Day Comparison

Base Year Comparison Year Comparison Percentages
Month HDD CDD TDD HDD CDD TDD HDD CDD TDD
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A negative percentage means the Comparison Year was more mild than the Base Year. A positive percentage means the Comparison Year was more severe than the Base Year. When the monthly degree days in either the base year or the comparison year are less than 30, a percentage comparison is not calculated. However, the Annual Total comparison percentages include all heating and cooling degree days.

Daily Comparison Report for

Base Year Comparison Year
MDT HDD CDD TDD MDT HDD CDD TDD
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EnergyCAP Information
Loader Select a Location in one of three ways:
  • Type the Postal Code
  • Weather Station Code
  • Type the City, State
 Enter Postal Code, Weather Station Code, or City, State
The range begin year is the first calendar year to display on yearly weather charts.
The range end year is the last calendar year to display on yearly weather charts.
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Average Daily Temperature

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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EnergyCAP Information
Loader Select a Location in one of three ways:
  • Type the Postal Code
  • Weather Station Code
  • Type the City, State
 Enter Postal Code, Weather Station Code, or City, State
The balance point temperature is the average daily outside temperature at which a building maintains a comfortable indoor temperature without heating or cooling. See the FAQ for more information.
The range begin year is the first calendar year to display on yearly weather charts.
The range end year is the last calendar year to display on yearly weather charts.
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Cumulative Cooling Degree Days

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Copy to Clipboard
EnergyCAP Information
Loader Select a Location in one of three ways:
  • Type the Postal Code
  • Weather Station Code
  • Type the City, State
 Enter Postal Code, Weather Station Code, or City, State
The balance point temperature is the average daily outside temperature at which a building maintains a comfortable indoor temperature without heating or cooling. See the FAQ for more information.
The range begin year is the first calendar year to display on yearly weather charts.
The range end year is the last calendar year to display on yearly weather charts.
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Cumulative Calendar Heating Degree Days

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Copy to Clipboard
EnergyCAP Information
Loader Select a Location in one of three ways:
  • Type the Postal Code
  • Weather Station Code
  • Type the City, State
 Enter Postal Code, Weather Station Code, or City, State
The balance point temperature is the average daily outside temperature at which a building maintains a comfortable indoor temperature without heating or cooling. See the FAQ for more information.
The forecast begin date is the current date on forecast charts.
The forecast end date is the date two weeks into the future on forecast charts.
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EnergyCAP Information