# Heating degree days in Wisconsin

Heating degree days in Wisconsin was 7,344 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `heating_degree_days_annual`
- Place id: `us-state-55`
- Unit: degree days (base 65°F)
- Definition: Sum over January to December of the degrees by which the daily mean temperature falls below 65°F, a measure of heating demand. NOAA estimates monthly values from nClimDiv temperatures and weights areas by population (2010 Census).
- Note: NOAA publishes these for operational monitoring; they can differ from official degree day publications.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/47/hdd/12/12/1895-2025/data.json)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- License: Public domain (US government work); NCEI asks users to cite the nClimDiv dataset
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/47/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/heating-degree-days/wisconsin
- API: https://invokely.ai/api/v1/series?indicator=heating_degree_days_annual&place=us-state-55

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 7,344 |
| 2024 | 6,293 |
| 2023 | 6,647 |
| 2022 | 7,747 |
| 2021 | 6,934 |
| 2020 | 7,186 |
| 2019 | 8,025 |
| 2018 | 7,797 |
| 2017 | 7,096 |
| 2016 | 6,850 |
| 2015 | 7,214 |
| 2014 | 8,679 |
| 2013 | 8,189 |
| 2012 | 6,451 |
| 2011 | 7,523 |
| 2010 | 7,126 |
| 2009 | 7,891 |
| 2008 | 8,169 |
| 2007 | 7,301 |
| 2006 | 6,880 |
| 2005 | 7,319 |
| 2004 | 7,445 |
| 2003 | 7,748 |
| 2002 | 7,330 |
| 2001 | 7,032 |
| 2000 | 7,436 |
| 1999 | 7,071 |
| 1998 | 6,422 |
| 1997 | 7,899 |
| 1996 | 8,556 |
| 1995 | 8,057 |
| 1994 | 7,778 |
| 1993 | 8,122 |
| 1992 | 7,727 |
| 1991 | 7,545 |
| 1990 | 7,170 |
| 1989 | 8,365 |
| 1988 | 7,859 |
| 1987 | 6,857 |
| 1986 | 7,642 |
| 1985 | 8,198 |
| 1984 | 7,754 |
| 1983 | 7,874 |
| 1982 | 8,228 |
| 1981 | 7,646 |
| 1980 | 8,119 |
| 1979 | 8,590 |
| 1978 | 8,503 |
| 1977 | 7,918 |
| 1976 | 8,392 |
| 1975 | 7,850 |
| 1974 | 7,946 |
| 1973 | 7,317 |
| 1972 | 8,693 |
| 1971 | 7,986 |
| 1970 | 8,120 |
| 1969 | 8,207 |
| 1968 | 7,678 |
| 1967 | 8,265 |
| 1966 | 8,265 |
| 1965 | 8,128 |
| 1964 | 7,589 |
| 1963 | 8,215 |
| 1962 | 8,195 |
| 1961 | 7,815 |
| 1960 | 8,086 |
| 1959 | 8,271 |
| 1958 | 8,063 |
| 1957 | 8,011 |
| 1956 | 7,914 |
| 1955 | 7,939 |
| 1954 | 7,619 |
| 1953 | 7,343 |
| 1952 | 7,748 |
| 1951 | 8,722 |
| 1950 | 8,735 |
| 1949 | 7,670 |
| 1948 | 7,941 |
| 1947 | 8,094 |
| 1946 | 7,292 |
| 1945 | 8,193 |
| 1944 | 7,632 |
| 1943 | 8,452 |
| 1942 | 7,866 |
| 1941 | 7,297 |
| 1940 | 8,380 |
| 1939 | 7,433 |
| 1938 | 7,388 |
| 1937 | 8,431 |
| 1936 | 8,576 |
| 1935 | 8,262 |
| 1934 | 7,664 |
| 1933 | 7,787 |
| 1932 | 8,017 |
| 1931 | 6,623 |
| 1930 | 7,744 |
| 1929 | 8,699 |
| 1928 | 7,867 |
| 1927 | 7,912 |
| 1926 | 8,669 |
| 1925 | 8,188 |
| 1924 | 8,840 |
| 1923 | 8,033 |
| 1922 | 7,635 |
| 1921 | 7,048 |
| 1920 | 8,162 |
| 1919 | 8,012 |
| 1918 | 7,985 |
| 1917 | 9,337 |
| 1916 | 8,569 |
| 1915 | 7,919 |
| 1914 | 8,045 |
| 1913 | 7,767 |
| 1912 | 8,756 |
| 1911 | 7,695 |
| 1910 | 7,931 |
| 1909 | 8,202 |
| 1908 | 7,589 |
| 1907 | 8,406 |
| 1906 | 7,832 |
| 1905 | 8,354 |
| 1904 | 8,821 |
| 1903 | 8,216 |
| 1902 | 7,806 |
| 1901 | 8,206 |
| 1900 | 7,793 |
| 1899 | 8,239 |
| 1898 | 7,913 |
| 1897 | 8,101 |
| 1896 | 7,916 |
| 1895 | 8,507 |