# Cooling degree days in Idaho

Cooling degree days in Idaho was 627 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `cooling_degree_days_annual`
- Place id: `us-state-16`
- 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/10/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/10/cdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/cooling-degree-days/idaho
- API: https://invokely.ai/api/v1/series?indicator=cooling_degree_days_annual&place=us-state-16

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 627 |
| 2024 | 624 |
| 2023 | 574 |
| 2022 | 718 |
| 2021 | 728 |
| 2020 | 487 |
| 2019 | 453 |
| 2018 | 541 |
| 2017 | 615 |
| 2016 | 455 |
| 2015 | 609 |
| 2014 | 540 |
| 2013 | 657 |
| 2012 | 579 |
| 2011 | 435 |
| 2010 | 340 |
| 2009 | 475 |
| 2008 | 453 |
| 2007 | 646 |
| 2006 | 578 |
| 2005 | 435 |
| 2004 | 451 |
| 2003 | 654 |
| 2002 | 482 |
| 2001 | 552 |
| 2000 | 486 |
| 1999 | 373 |
| 1998 | 581 |
| 1997 | 406 |
| 1996 | 423 |
| 1995 | 309 |
| 1994 | 572 |
| 1993 | 168 |
| 1992 | 427 |
| 1991 | 481 |
| 1990 | 517 |
| 1989 | 419 |
| 1988 | 484 |
| 1987 | 372 |
| 1986 | 435 |
| 1985 | 430 |
| 1984 | 399 |
| 1983 | 342 |
| 1982 | 344 |
| 1981 | 408 |
| 1980 | 290 |
| 1979 | 442 |
| 1978 | 298 |
| 1977 | 433 |
| 1976 | 315 |
| 1975 | 384 |
| 1974 | 409 |
| 1973 | 406 |
| 1972 | 373 |
| 1971 | 428 |
| 1970 | 438 |
| 1969 | 407 |
| 1968 | 336 |
| 1967 | 564 |
| 1966 | 418 |
| 1965 | 283 |
| 1964 | 301 |
| 1963 | 388 |
| 1962 | 307 |
| 1961 | 609 |
| 1960 | 472 |
| 1959 | 383 |
| 1958 | 493 |
| 1957 | 375 |
| 1956 | 371 |
| 1955 | 374 |
| 1954 | 331 |
| 1953 | 387 |
| 1952 | 389 |
| 1951 | 358 |
| 1950 | 337 |
| 1949 | 443 |
| 1948 | 332 |
| 1947 | 395 |
| 1946 | 417 |
| 1945 | 358 |
| 1944 | 299 |
| 1943 | 345 |
| 1942 | 402 |
| 1941 | 382 |
| 1940 | 537 |
| 1939 | 441 |
| 1938 | 433 |
| 1937 | 442 |
| 1936 | 546 |
| 1935 | 413 |
| 1934 | 526 |
| 1933 | 470 |
| 1932 | 344 |
| 1931 | 548 |
| 1930 | 470 |
| 1929 | 436 |
| 1928 | 390 |
| 1927 | 359 |
| 1926 | 480 |
| 1925 | 434 |
| 1924 | 411 |
| 1923 | 418 |
| 1922 | 516 |
| 1921 | 412 |
| 1920 | 420 |
| 1919 | 484 |
| 1918 | 435 |
| 1917 | 428 |
| 1916 | 282 |
| 1915 | 375 |
| 1914 | 377 |
| 1913 | 336 |
| 1912 | 208 |
| 1911 | 287 |
| 1910 | 374 |
| 1909 | 364 |
| 1908 | 328 |
| 1907 | 251 |
| 1906 | 433 |
| 1905 | 397 |
| 1904 | 384 |
| 1903 | 338 |
| 1902 | 260 |
| 1901 | 466 |
| 1900 | 368 |
| 1899 | 286 |
| 1898 | 449 |
| 1897 | 406 |
| 1896 | 442 |
| 1895 | 288 |
