# Cooling degree days in Michigan

Cooling degree days in Michigan was 670 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `cooling_degree_days_annual`
- Place id: `us-state-26`
- 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/20/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/20/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/cooling-degree-days/michigan
- API: https://invokely.ai/api/v1/series?indicator=cooling_degree_days_annual&place=us-state-26

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 670 |
| 2024 | 714 |
| 2023 | 532 |
| 2022 | 669 |
| 2021 | 762 |
| 2020 | 699 |
| 2019 | 634 |
| 2018 | 778 |
| 2017 | 561 |
| 2016 | 771 |
| 2015 | 562 |
| 2014 | 443 |
| 2013 | 540 |
| 2012 | 773 |
| 2011 | 687 |
| 2010 | 761 |
| 2009 | 368 |
| 2008 | 526 |
| 2007 | 657 |
| 2006 | 583 |
| 2005 | 778 |
| 2004 | 415 |
| 2003 | 464 |
| 2002 | 705 |
| 2001 | 562 |
| 2000 | 431 |
| 1999 | 639 |
| 1998 | 666 |
| 1997 | 386 |
| 1996 | 448 |
| 1995 | 694 |
| 1994 | 443 |
| 1993 | 508 |
| 1992 | 239 |
| 1991 | 658 |
| 1990 | 430 |
| 1989 | 454 |
| 1988 | 726 |
| 1987 | 683 |
| 1986 | 452 |
| 1985 | 403 |
| 1984 | 527 |
| 1983 | 645 |
| 1982 | 429 |
| 1981 | 449 |
| 1980 | 505 |
| 1979 | 387 |
| 1978 | 485 |
| 1977 | 525 |
| 1976 | 446 |
| 1975 | 527 |
| 1974 | 436 |
| 1973 | 588 |
| 1972 | 385 |
| 1971 | 522 |
| 1970 | 544 |
| 1969 | 460 |
| 1968 | 469 |
| 1967 | 371 |
| 1966 | 497 |
| 1965 | 380 |
| 1964 | 498 |
| 1963 | 445 |
| 1962 | 442 |
| 1961 | 495 |
| 1960 | 414 |
| 1959 | 705 |
| 1958 | 370 |
| 1957 | 438 |
| 1956 | 423 |
| 1955 | 773 |
| 1954 | 467 |
| 1953 | 597 |
| 1952 | 598 |
| 1951 | 382 |
| 1950 | 355 |
| 1949 | 678 |
| 1948 | 519 |
| 1947 | 576 |
| 1946 | 426 |
| 1945 | 352 |
| 1944 | 648 |
| 1943 | 543 |
| 1942 | 470 |
| 1941 | 597 |
| 1940 | 473 |
| 1939 | 604 |
| 1938 | 563 |
| 1937 | 557 |
| 1936 | 646 |
| 1935 | 537 |
| 1934 | 717 |
| 1933 | 713 |
| 1932 | 527 |
| 1931 | 721 |
| 1930 | 566 |
| 1929 | 373 |
| 1928 | 406 |
| 1927 | 323 |
| 1926 | 394 |
| 1925 | 489 |
| 1924 | 288 |
| 1923 | 460 |
| 1922 | 515 |
| 1921 | 803 |
| 1920 | 389 |
| 1919 | 636 |
| 1918 | 515 |
| 1917 | 306 |
| 1916 | 616 |
| 1915 | 244 |
| 1914 | 482 |
| 1913 | 513 |
| 1912 | 371 |
| 1911 | 595 |
| 1910 | 448 |
| 1909 | 421 |
| 1908 | 502 |
| 1907 | 304 |
| 1906 | 536 |
| 1905 | 405 |
| 1904 | 313 |
| 1903 | 318 |
| 1902 | 341 |
| 1901 | 607 |
| 1900 | 608 |
| 1899 | 490 |
| 1898 | 541 |
| 1897 | 441 |
| 1896 | 504 |
| 1895 | 529 |