Detroit Willow Run AP Threshold Days by Year (USW00014853)
16 fixed thresholds counted per year at Detroit Willow Run AP (USW00014853): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Detroit Willow Run AP Thresholds
- Detroit Willow Run AP: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 2016 with 90.
- Detroit Willow Run AP: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 2016 with 53.
- Detroit Willow Run AP: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1963 with 65.
- Detroit Willow Run AP: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1966 with 157.
- 16 fixed thresholds have at least one qualifying day at Detroit Willow Run AP.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1948 | 37 | 49.5 |
| 1949 | 62 | 49.5 |
| 1950 | 29 | 40.3 |
| 1951 | 28 | 40.3 |
| 1952 | 58 | 40.3 |
| 1953 | 51 | 40.3 |
| 1954 | 36 | 40.3 |
| 1955 | 59 | 40.3 |
| 1956 | 28 | 40.3 |
| 1957 | 32 | 40.3 |
| 1958 | 21 | 40.3 |
| 1959 | 61 | 40.3 |
| 1960 | 29 | 31.8 |
| 1961 | 38 | 31.8 |
| 1962 | 44 | 31.8 |
| 1963 | 41 | 31.8 |
| 1964 | 38 | 31.8 |
| 1965 | 16 | 31.8 |
| 1966 | 31 | 31.8 |
| 1967 | 17 | 31.8 |
| 2000 | 12 | 28.3 |
| 2001 | 34 | 28.3 |
| 2002 | 50 | 28.3 |
| 2003 | 15 | 28.3 |
| 2004 | 12 | 28.3 |
| 2005 | 48 | 28.3 |
| 2006 | 24 | 28.3 |
| 2007 | 47 | 28.3 |
| 2008 | 31 | 28.3 |
| 2009 | 10 | 28.3 |
| 2010 | 48 | 58.5 |
| 2011 | 56 | 58.5 |
| 2012 | 81 | 58.5 |
| 2013 | 46 | 58.5 |
| 2014 | 40 | 58.5 |
| 2015 | 51 | 58.5 |
| 2016 | 90 | 58.5 |
| 2017 | 54 | 58.5 |
| 2018 | 67 | 58.5 |
| 2019 | 52 | 58.5 |
| 2020 | 68 | 47 |
| 2021 | 70 | 47 |
| 2022 | 67 | 47 |
| 2023 | 21 | 47 |
| 2024 | 32 | 47 |
| 2025 | 34 | 47 |
| 2026 | 37 | 47 |
| Year | First date | Last date |
|---|---|---|
| 1948 | 1948-06-02 | 1948-09-19 |
| 1949 | 1949-05-03 | 1949-10-10 |
| 1950 | 1950-06-07 | 1950-08-28 |
| 1951 | 1951-05-16 | 1951-10-05 |
| 1952 | 1952-05-04 | 1952-09-13 |
| 1953 | 1953-05-30 | 1953-10-03 |
| 1954 | 1954-05-31 | 1954-09-07 |
| 1955 | 1955-05-03 | 1955-09-19 |
| 1956 | 1956-05-22 | 1956-09-13 |
| 1957 | 1957-05-01 | 1957-09-02 |
| 1958 | 1958-06-30 | 1958-09-04 |
| 1959 | 1959-05-06 | 1959-09-28 |
| 1960 | 1960-06-04 | 1960-09-08 |
| 1961 | 1961-06-05 | 1961-09-22 |
| 1962 | 1962-04-26 | 1962-09-13 |
| 1963 | 1963-05-09 | 1963-10-07 |
| 1964 | 1964-05-22 | 1964-09-10 |
| 1965 | 1965-06-06 | 1965-09-18 |
| 1966 | 1966-05-27 | 1966-09-02 |
| 1967 | 1967-06-09 | 1967-08-17 |
| 2000 | 2000-05-08 | 2000-09-01 |
| 2001 | 2001-06-13 | 2001-09-08 |
| 2002 | 2002-06-01 | 2002-09-19 |
| 2003 | 2003-06-23 | 2003-08-26 |
| 2004 | 2004-06-08 | 2004-08-27 |
| 2005 | 2005-06-05 | 2005-09-22 |
| 2006 | 2006-05-28 | 2006-09-09 |
| 2007 | 2007-05-15 | 2007-10-08 |
| 2008 | 2008-06-05 | 2008-09-03 |
| 2009 | 2009-06-23 | 2009-08-16 |
| 2010 | 2010-05-26 | 2010-09-23 |
| 2011 | 2011-04-10 | 2011-09-03 |
| 2012 | 2012-03-20 | 2012-09-13 |
| 2013 | 2013-05-15 | 2013-09-20 |
| 2014 | 2014-05-08 | 2014-09-05 |
| 2015 | 2015-05-07 | 2015-09-17 |
| 2016 | 2016-04-18 | 2016-09-23 |
| 2017 | 2017-05-16 | 2017-10-07 |
| 2018 | 2018-05-01 | 2018-10-09 |
| 2019 | 2019-06-25 | 2019-10-01 |
| 2020 | 2020-05-24 | 2020-09-26 |
| 2021 | 2021-04-07 | 2021-10-11 |
| 2022 | 2022-04-24 | 2022-09-21 |
| 2023 | 2023-05-29 | 2023-10-03 |
| 2024 | 2024-05-19 | 2024-09-21 |
| 2025 | 2025-04-29 | 2025-09-18 |
| 2026 | 2026-05-18 | 2026-10-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 90 | 2016 | 37 |
| 35 C (95 F): Days | 36 | 23 | 2012 | 5 |
| 40 C (104 F): Days | 1 | 3 | 2012 | 3 |
| 90 F (32.2 C): Days | 47 | 53 | 2016 | 11 |
| 100 F (37.8 C): Days | 6 | 6 | 2012 | 1 |
| 0 C (32 F): Ice days (max | 47 | 65 | 1963 | 35 |
| 0 C (32 F): Frost days (min | 47 | 157 | 1966 | 78 |
| -10 C (14 F): Days with min | 47 | 56 | 1963 | 29 |
| -20 C (-4 F): Days with min | 29 | 9 | 2009 | 4 |
| 20 C (68 F): Tropical nights (min | 47 | 39 | 2021 | 24 |
| 25 C (77 F): Days with min | 7 | 1 | 2006 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 36 | 2006 | 19 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 10 | 1950 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 3 | 1949 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 2023 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 13 | 5 | 1951 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).