# Heating degree days in Alabama

Heating degree days in Alabama was 2,505 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `heating_degree_days_annual`
- Place id: `us-state-01`
- 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/1/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/1/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/heating-degree-days/alabama
- API: https://invokely.ai/api/v1/series?indicator=heating_degree_days_annual&place=us-state-01

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 2,505 |
| 2024 | 2,267 |
| 2023 | 2,144 |
| 2022 | 2,612 |
| 2021 | 2,396 |
| 2020 | 2,284 |
| 2019 | 2,398 |
| 2018 | 2,694 |
| 2017 | 2,129 |
| 2016 | 2,353 |
| 2015 | 2,427 |
| 2014 | 3,134 |
| 2013 | 2,825 |
| 2012 | 2,209 |
| 2011 | 2,667 |
| 2010 | 3,318 |
| 2009 | 2,798 |
| 2008 | 2,808 |
| 2007 | 2,521 |
| 2006 | 2,534 |
| 2005 | 2,691 |
| 2004 | 2,637 |
| 2003 | 2,806 |
| 2002 | 2,774 |
| 2001 | 2,656 |
| 2000 | 2,802 |
| 1999 | 2,458 |
| 1998 | 2,415 |
| 1997 | 2,854 |
| 1996 | 3,004 |
| 1995 | 2,871 |
| 1994 | 2,607 |
| 1993 | 3,028 |
| 1992 | 2,818 |
| 1991 | 2,552 |
| 1990 | 2,234 |
| 1989 | 2,916 |
| 1988 | 3,042 |
| 1987 | 2,806 |
| 1986 | 2,611 |
| 1985 | 2,900 |
| 1984 | 2,750 |
| 1983 | 3,278 |
| 1982 | 2,622 |
| 1981 | 3,126 |
| 1980 | 3,174 |
| 1979 | 3,184 |
| 1978 | 3,317 |
| 1977 | 3,161 |
| 1976 | 3,275 |
| 1975 | 2,687 |
| 1974 | 2,517 |
| 1973 | 2,742 |
| 1972 | 2,725 |
| 1971 | 2,803 |
| 1970 | 3,112 |
| 1969 | 3,285 |
| 1968 | 3,371 |
| 1967 | 2,793 |
| 1966 | 3,071 |
| 1965 | 2,766 |
| 1964 | 2,931 |
| 1963 | 3,265 |
| 1962 | 2,992 |
| 1961 | 2,888 |
| 1960 | 3,347 |
| 1959 | 2,893 |
| 1958 | 3,428 |
| 1957 | 2,538 |
| 1956 | 2,589 |
| 1955 | 2,752 |
| 1954 | 2,738 |
| 1953 | 2,673 |
| 1952 | 2,811 |
| 1951 | 2,740 |
| 1950 | 2,741 |
| 1949 | 2,464 |
| 1948 | 2,738 |
| 1947 | 3,000 |
| 1946 | 2,296 |
| 1945 | 2,677 |
| 1944 | 2,719 |
| 1943 | 2,921 |
| 1942 | 2,919 |
| 1941 | 2,888 |
| 1940 | 3,289 |
| 1939 | 2,571 |
| 1938 | 2,384 |
| 1937 | 2,758 |
| 1936 | 2,870 |
| 1935 | 2,741 |
| 1934 | 2,821 |
| 1933 | 2,366 |
| 1932 | 2,605 |
| 1931 | 2,597 |
| 1930 | 2,913 |
| 1929 | 2,752 |
| 1928 | 2,952 |
| 1927 | 2,199 |
| 1926 | 2,973 |
| 1925 | 2,622 |
| 1924 | 3,096 |
| 1923 | 2,582 |
| 1922 | 2,251 |
| 1921 | 2,235 |
| 1920 | 3,020 |
| 1919 | 2,634 |
| 1918 | 2,644 |
| 1917 | 3,088 |
| 1916 | 2,661 |
| 1915 | 2,960 |
| 1914 | 3,058 |
| 1913 | 2,622 |
| 1912 | 3,173 |
| 1911 | 2,354 |
| 1910 | 2,947 |
| 1909 | 2,616 |
| 1908 | 2,549 |
| 1907 | 2,586 |
| 1906 | 2,819 |
| 1905 | 3,149 |
| 1904 | 2,936 |
| 1903 | 3,027 |
| 1902 | 2,980 |
| 1901 | 3,366 |
| 1900 | 2,837 |
| 1899 | 2,994 |
| 1898 | 2,940 |
| 1897 | 2,592 |
| 1896 | 2,719 |
| 1895 | 3,296 |