The values were obtained from various World Meteorological Organization (WMO) observing stations across the country. (A great source of data for degree days is the degreedays.net website. In zones 1 and 2, cooling is the only important factor. Cooling Degree Days are not calculated from December through February. Check it out.) Includes Daily Risk of Precipitation, High/Low/Average Temperatures, Heating/Cooling Degree Days and Growing Degree Days United States Philadelphia, Pennsylvania Long Range Weather Forecast extracted from the American Society of Heating, Refrigerating and Air Conditioning Engineers 2005 ASHRAE Handbook of Fundamentals. Use the weather normalization data here to adjust your building's or industrial plant's energy usage data for changes in weather. This online calculator pulls weather station data--including heating and cooling degree days (HDD and CDD)--from more than 900 weather stations around the United States and Canada. Monthly averages Philadelphia Longitude: -75.16, Latitude: 39.95 Average weather Philadelphia, PA - 19107. 14,000 weather stations in the United States and Canada; Easy export of charts. Philadelphia has quite a varied climate, and typically both heating and cooling degree days show up in nine months of the year. Station Data. Heating Degree Days Database Area Selection; Other Datasets ; This system provides access to HUD's heating degree database. November 29th, 2020 November 28th, 2020 November 27th, 2020 November 26th, 2020 November 25th, 2020 November 24th, 2020 November 23rd, 2020 November 22nd, 2020 November 21st, 2020 November 20th, 2020 November 19th, 2020 November 18th, 2020 November 17th, 2020 November 16th, 2020 November 15th, 2020 November 14th, 2020 November 13th, 2020 November 12th, 2020 November … CLIMATE CHARTS Philadelphia Ne Ap, Pennsylvania Latitude: 40.0819 Longitude: -75.0111 Elevation: 100.1 feet (30.5 meters) The National Weather Service starts keeping score on Jan. 1 for cooling degree days, although the first ones usually don't show up until March. Heating and Cooling Degree Days are only available in contour format. Three-month and precip maps are not available in Contour format, and therefore, no Three-month Degree Day maps are available. Reports and charts for degree days, average daily temperature, cooling degree days, and heating degree days. Monthly: 1981-2010 normals Heating degree day (HDD) is a measurement designed to quantify the demand for energy needed to heat a building. The user will be prompted to enter the state under consideration, and then will be presented with a list of Zip Codes for that State. Use the Menu at top right of chart. Heating Degree Days are not calculated from June through August. Major U.S. Cities and State Capitals City (bold = capital) State ASHRAE 99.6% HDB Temperature (°F) The table above (click for enlarged version) shows how the IECC uses the number of cooling degree days for climate zones 1 through 4 and the number of heating degree days for climate zones 3 through 8. 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