Daily Archives: Tuesday, June 20, 2023 2:17pm

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