File: “” U.S. Cooling Degree Days Frequency: Monthly File Type: CSV Start Date: 1/1/2008 End Date: 5/31/2023 Methodology Uses 2010 Census data for populations and 2010 Annual Community Survey (ACS) data for cooling fuel customer populations. Source: National Oceanic and Atmospheric Administration
NOAA
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File: “” U.S. Heating Degree Days Frequency: Monthly File Type: CSV Start Date: 1/1/2008 End Date: 5/31/2023 Methodology Uses 2010 Census data for populations and 2010 Annual Community Survey (ACS) data for Heating fuel customer populations. Source: National Oceanic and Atmospheric Administration