# Cooling degree days in Louisiana

Cooling degree days in Louisiana was 3,033 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `cooling_degree_days_annual`
- Place id: `us-state-22`
- Unit: degree days (base 65°F)
- Definition: Sum over January to December of the degrees by which the daily mean temperature exceeds 65°F, a measure of cooling 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 cooling degree days (base 65°F), contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/16/cdd/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 cooling 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/16/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/cooling-degree-days/louisiana
- API: https://invokely.ai/api/v1/series?indicator=cooling_degree_days_annual&place=us-state-22

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 3,033 |
| 2024 | 3,147 |
| 2023 | 3,235 |
| 2022 | 2,790 |
| 2021 | 2,703 |
| 2020 | 2,856 |
| 2019 | 2,918 |
| 2018 | 3,006 |
| 2017 | 2,747 |
| 2016 | 2,977 |
| 2015 | 2,984 |
| 2014 | 2,427 |
| 2013 | 2,521 |
| 2012 | 2,847 |
| 2011 | 2,883 |
| 2010 | 2,921 |
| 2009 | 2,664 |
| 2008 | 2,527 |
| 2007 | 2,680 |
| 2006 | 2,784 |
| 2005 | 2,732 |
| 2004 | 2,711 |
| 2003 | 2,604 |
| 2002 | 2,669 |
| 2001 | 2,515 |
| 2000 | 2,792 |
| 1999 | 2,732 |
| 1998 | 3,049 |
| 1997 | 2,475 |
| 1996 | 2,447 |
| 1995 | 2,625 |
| 1994 | 2,419 |
| 1993 | 2,435 |
| 1992 | 2,283 |
| 1991 | 2,637 |
| 1990 | 2,660 |
| 1989 | 2,361 |
| 1988 | 2,380 |
| 1987 | 2,430 |
| 1986 | 2,712 |
| 1985 | 2,670 |
| 1984 | 2,429 |
| 1983 | 2,231 |
| 1982 | 2,538 |
| 1981 | 2,563 |
| 1980 | 2,655 |
| 1979 | 2,336 |
| 1978 | 2,585 |
| 1977 | 2,632 |
| 1976 | 2,092 |
| 1975 | 2,335 |
| 1974 | 2,386 |
| 1973 | 2,523 |
| 1972 | 2,550 |
| 1971 | 2,425 |
| 1970 | 2,417 |
| 1969 | 2,455 |
| 1968 | 2,287 |
| 1967 | 2,269 |
| 1966 | 2,320 |
| 1965 | 2,555 |
| 1964 | 2,521 |
| 1963 | 2,709 |
| 1962 | 2,697 |
| 1961 | 2,159 |
| 1960 | 2,481 |
| 1959 | 2,490 |
| 1958 | 2,475 |
| 1957 | 2,526 |
| 1956 | 2,502 |
| 1955 | 2,574 |
| 1954 | 2,675 |
| 1953 | 2,670 |
| 1952 | 2,433 |
| 1951 | 2,657 |
| 1950 | 2,531 |
| 1949 | 2,636 |
| 1948 | 2,615 |
| 1947 | 2,641 |
| 1946 | 2,519 |
| 1945 | 2,557 |
| 1944 | 2,597 |
| 1943 | 2,564 |
| 1942 | 2,355 |
| 1941 | 2,715 |
| 1940 | 2,160 |
| 1939 | 2,599 |
| 1938 | 2,584 |
| 1937 | 2,490 |
| 1936 | 2,621 |
| 1935 | 2,645 |
| 1934 | 2,617 |
| 1933 | 2,828 |
| 1932 | 2,577 |
| 1931 | 2,485 |
| 1930 | 2,510 |
| 1929 | 2,560 |
| 1928 | 2,424 |
| 1927 | 2,881 |
| 1926 | 2,550 |
| 1925 | 2,758 |
| 1924 | 2,552 |
| 1923 | 2,371 |
| 1922 | 2,680 |
| 1921 | 2,829 |
| 1920 | 2,494 |
| 1919 | 2,634 |
| 1918 | 2,636 |
| 1917 | 2,248 |
| 1916 | 2,515 |
| 1915 | 2,658 |
| 1914 | 2,579 |
| 1913 | 2,349 |
| 1912 | 2,581 |
| 1911 | 2,926 |
| 1910 | 2,519 |
| 1909 | 2,683 |
| 1908 | 2,676 |
| 1907 | 2,653 |
| 1906 | 2,565 |
| 1905 | 2,735 |
| 1904 | 2,442 |
| 1903 | 2,193 |
| 1902 | 2,771 |
| 1901 | 2,405 |
| 1900 | 2,687 |
| 1899 | 2,660 |
| 1898 | 2,487 |
| 1897 | 2,713 |
| 1896 | 2,806 |
| 1895 | 2,476 |
