# Heating degree days in Ohio

Heating degree days in Ohio was 5,760 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `heating_degree_days_annual`
- Place id: `us-state-39`
- 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/33/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/33/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/heating-degree-days/ohio
- API: https://invokely.ai/api/v1/series?indicator=heating_degree_days_annual&place=us-state-39

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 5,760 |
| 2024 | 4,703 |
| 2023 | 4,886 |
| 2022 | 5,698 |
| 2021 | 5,213 |
| 2020 | 5,250 |
| 2019 | 5,571 |
| 2018 | 5,765 |
| 2017 | 5,072 |
| 2016 | 5,238 |
| 2015 | 5,674 |
| 2014 | 6,450 |
| 2013 | 5,903 |
| 2012 | 4,985 |
| 2011 | 5,559 |
| 2010 | 5,867 |
| 2009 | 5,907 |
| 2008 | 5,997 |
| 2007 | 5,550 |
| 2006 | 5,229 |
| 2005 | 5,848 |
| 2004 | 5,689 |
| 2003 | 6,044 |
| 2002 | 5,553 |
| 2001 | 5,337 |
| 2000 | 5,861 |
| 1999 | 5,533 |
| 1998 | 4,853 |
| 1997 | 6,070 |
| 1996 | 6,314 |
| 1995 | 6,220 |
| 1994 | 5,999 |
| 1993 | 6,111 |
| 1992 | 5,879 |
| 1991 | 5,335 |
| 1990 | 5,134 |
| 1989 | 6,346 |
| 1988 | 6,245 |
| 1987 | 5,564 |
| 1986 | 5,655 |
| 1985 | 5,982 |
| 1984 | 6,069 |
| 1983 | 5,999 |
| 1982 | 6,012 |
| 1981 | 6,311 |
| 1980 | 6,551 |
| 1979 | 6,462 |
| 1978 | 6,839 |
| 1977 | 6,312 |
| 1976 | 6,464 |
| 1975 | 5,839 |
| 1974 | 5,937 |
| 1973 | 5,510 |
| 1972 | 6,347 |
| 1971 | 6,017 |
| 1970 | 6,119 |
| 1969 | 6,412 |
| 1968 | 6,300 |
| 1967 | 6,220 |
| 1966 | 6,468 |
| 1965 | 6,029 |
| 1964 | 5,898 |
| 1963 | 6,603 |
| 1962 | 6,407 |
| 1961 | 6,173 |
| 1960 | 6,454 |
| 1959 | 5,965 |
| 1958 | 6,666 |
| 1957 | 5,953 |
| 1956 | 5,917 |
| 1955 | 5,954 |
| 1954 | 5,700 |
| 1953 | 5,506 |
| 1952 | 5,824 |
| 1951 | 6,169 |
| 1950 | 6,297 |
| 1949 | 5,476 |
| 1948 | 6,032 |
| 1947 | 6,287 |
| 1946 | 5,354 |
| 1945 | 6,207 |
| 1944 | 6,090 |
| 1943 | 6,472 |
| 1942 | 6,047 |
| 1941 | 5,798 |
| 1940 | 6,699 |
| 1939 | 5,739 |
| 1938 | 5,467 |
| 1937 | 6,285 |
| 1936 | 6,418 |
| 1935 | 6,267 |
| 1934 | 6,216 |
| 1933 | 5,726 |
| 1932 | 5,819 |
| 1931 | 5,394 |
| 1930 | 5,914 |
| 1929 | 6,311 |
| 1928 | 6,187 |
| 1927 | 5,747 |
| 1926 | 6,673 |
| 1925 | 6,291 |
| 1924 | 6,755 |
| 1923 | 6,106 |
| 1922 | 5,701 |
| 1921 | 5,264 |
| 1920 | 6,370 |
| 1919 | 5,912 |
| 1918 | 6,171 |
| 1917 | 7,228 |
| 1916 | 6,356 |
| 1915 | 6,160 |
| 1914 | 6,334 |
| 1913 | 5,743 |
| 1912 | 6,635 |
| 1911 | 5,787 |
| 1910 | 6,319 |
| 1909 | 6,109 |
| 1908 | 5,828 |
| 1907 | 6,480 |
| 1906 | 6,075 |
| 1905 | 6,499 |
| 1904 | 6,891 |
| 1903 | 6,248 |
| 1902 | 6,156 |
| 1901 | 6,630 |
| 1900 | 6,001 |
| 1899 | 6,078 |
| 1898 | 5,932 |
| 1897 | 6,014 |
| 1896 | 6,013 |
| 1895 | 6,732 |