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  • Data by AccuWeather.com

Your Source For Free Degree Day Reports

Degree day data is useful to indicate how seasonal weather affects building energy use, which impacts energy management, energy efficiency, and utility bill tracking.
Weather Data Depot includes:
 
  • Free heating degree day and cooling degree day data
  • Reports and charts for degree days, average daily temperature, cooling degree days, heating degree days, and degree day forecast
  • 14,000 weather stations in the United States and Canada
  • Data from weather expert AccuWeather
  • Easy Copy-to-Clipboard function to paste into Excel
  • Free website button personalized to your ZIP code

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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Oldest available data for this station is

* January daily data will be available on February 1, when the complete month will be posted.

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
Green Values= Alternate weather source
Red Values= Estimated data
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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
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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 Calendar Heating Degree Days

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 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