# Heating degree days in New Jersey

Heating degree days in New Jersey was 5,159 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `heating_degree_days_annual`
- Place id: `us-state-34`
- 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/28/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/28/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/heating-degree-days/new-jersey
- API: https://invokely.ai/api/v1/series?indicator=heating_degree_days_annual&place=us-state-34

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 5,159 |
| 2024 | 4,572 |
| 2023 | 4,418 |
| 2022 | 5,082 |
| 2021 | 4,757 |
| 2020 | 4,615 |
| 2019 | 5,090 |
| 2018 | 5,192 |
| 2017 | 4,777 |
| 2016 | 4,842 |
| 2015 | 5,185 |
| 2014 | 5,630 |
| 2013 | 5,259 |
| 2012 | 4,450 |
| 2011 | 4,889 |
| 2010 | 5,018 |
| 2009 | 5,301 |
| 2008 | 5,162 |
| 2007 | 5,154 |
| 2006 | 4,625 |
| 2005 | 5,401 |
| 2004 | 5,288 |
| 2003 | 5,700 |
| 2002 | 4,975 |
| 2001 | 5,034 |
| 2000 | 5,411 |
| 1999 | 5,061 |
| 1998 | 4,545 |
| 1997 | 5,476 |
| 1996 | 5,684 |
| 1995 | 5,526 |
| 1994 | 5,593 |
| 1993 | 5,606 |
| 1992 | 5,672 |
| 1991 | 4,891 |
| 1990 | 4,686 |
| 1989 | 5,785 |
| 1988 | 5,854 |
| 1987 | 5,500 |
| 1986 | 5,429 |
| 1985 | 5,361 |
| 1984 | 5,503 |
| 1983 | 5,469 |
| 1982 | 5,634 |
| 1981 | 5,769 |
| 1980 | 5,863 |
| 1979 | 5,577 |
| 1978 | 6,122 |
| 1977 | 5,677 |
| 1976 | 5,873 |
| 1975 | 5,289 |
| 1974 | 5,469 |
| 1973 | 5,188 |
| 1972 | 5,871 |
| 1971 | 5,613 |
| 1970 | 5,851 |
| 1969 | 5,839 |
| 1968 | 5,843 |
| 1967 | 6,056 |
| 1966 | 5,911 |
| 1965 | 5,861 |
| 1964 | 5,633 |
| 1963 | 5,990 |
| 1962 | 6,026 |
| 1961 | 5,846 |
| 1960 | 5,848 |
| 1959 | 5,389 |
| 1958 | 6,185 |
| 1957 | 5,434 |
| 1956 | 5,698 |
| 1955 | 5,729 |
| 1954 | 5,448 |
| 1953 | 5,035 |
| 1952 | 5,470 |
| 1951 | 5,450 |
| 1950 | 5,727 |
| 1949 | 5,047 |
| 1948 | 5,811 |
| 1947 | 5,805 |
| 1946 | 5,166 |
| 1945 | 5,698 |
| 1944 | 5,884 |
| 1943 | 6,077 |
| 1942 | 5,738 |
| 1941 | 5,554 |
| 1940 | 6,520 |
| 1939 | 5,704 |
| 1938 | 5,481 |
| 1937 | 5,705 |
| 1936 | 5,936 |
| 1935 | 6,060 |
| 1934 | 6,127 |
| 1933 | 5,665 |
| 1932 | 5,444 |
| 1931 | 5,245 |
| 1930 | 5,728 |
| 1929 | 5,700 |
| 1928 | 5,895 |
| 1927 | 5,688 |
| 1926 | 6,536 |
| 1925 | 5,926 |
| 1924 | 6,281 |
| 1923 | 5,950 |
| 1922 | 5,712 |
| 1921 | 5,224 |
| 1920 | 6,141 |
| 1919 | 5,621 |
| 1918 | 6,023 |
| 1917 | 6,825 |
| 1916 | 6,235 |
| 1915 | 5,773 |
| 1914 | 6,230 |
| 1913 | 5,156 |
| 1912 | 6,121 |
| 1911 | 5,853 |
| 1910 | 6,013 |
| 1909 | 5,919 |
| 1908 | 5,794 |
| 1907 | 6,508 |
| 1906 | 5,841 |
| 1905 | 6,223 |
| 1904 | 6,921 |
| 1903 | 5,916 |
| 1902 | 5,881 |
| 1901 | 6,399 |
| 1900 | 5,752 |
| 1899 | 6,090 |
| 1898 | 5,748 |
| 1897 | 5,903 |
| 1896 | 6,071 |
| 1895 | 6,326 |