Dubois Rgnl AP Threshold Days by Year (USW00004787)
16 fixed thresholds counted per year at Dubois Rgnl AP (USW00004787): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dubois Rgnl AP Thresholds
- Dubois Rgnl AP: days with a maximum temperature at or below 0 C (32 F) in 60 years, most in 1969 with 73.
- Dubois Rgnl AP: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1966 with 159.
- Dubois Rgnl AP: nights with a minimum temperature at or below -10 C (14 F) in 60 years, most in 1978 with 54.
- Dubois Rgnl AP: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 2018 with 51.
- 16 fixed thresholds have at least one qualifying day at Dubois Rgnl AP.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1963 | 10 | 13.3 |
| 1964 | 15 | 13.3 |
| 1965 | 11 | 13.3 |
| 1966 | 21 | 13.3 |
| 1967 | 8 | 13.3 |
| 1968 | 17 | 13.3 |
| 1969 | 11 | 13.3 |
| 1970 | 4 | 7.8 |
| 1971 | 8 | 7.8 |
| 1972 | 6 | 7.8 |
| 1973 | 16 | 7.8 |
| 1974 | 6 | 7.8 |
| 1975 | 8 | 7.8 |
| 1976 | 1 | 7.8 |
| 1977 | 12 | 7.8 |
| 1978 | 11 | 7.8 |
| 1979 | 6 | 7.8 |
| 1980 | 5 | 11 |
| 1981 | 5 | 11 |
| 1982 | 6 | 11 |
| 1983 | 21 | 11 |
| 1984 | 3 | 11 |
| 1985 | 6 | 11 |
| 1986 | 5 | 11 |
| 1987 | 14 | 11 |
| 1988 | 37 | 11 |
| 1989 | 8 | 11 |
| 1990 | 3 | 8.5 |
| 1991 | 18 | 8.5 |
| 1993 | 9 | 8.5 |
| 1994 | 6 | 8.5 |
| 1995 | 13 | 8.5 |
| 1996 | 2 | 8.5 |
| 2001 | 14 | 13.5 |
| 2002 | 25 | 13.5 |
| 2005 | 16 | 13.5 |
| 2006 | 7 | 13.5 |
| 2007 | 14 | 13.5 |
| 2008 | 5 | 13.5 |
| 2010 | 21 | 15.1 |
| 2011 | 23 | 15.1 |
| 2012 | 18 | 15.1 |
| 2013 | 13 | 15.1 |
| 2014 | 3 | 15.1 |
| 2015 | 21 | 15.1 |
| 2016 | 30 | 15.1 |
| 2017 | 5 | 15.1 |
| 2018 | 13 | 15.1 |
| 2019 | 4 | 15.1 |
| 2020 | 27 | 17.1 |
| 2021 | 13 | 17.1 |
| 2022 | 20 | 17.1 |
| 2023 | 12 | 17.1 |
| 2024 | 20 | 17.1 |
| 2025 | 21 | 17.1 |
| 2026 | 7 | 17.1 |
| Year | First date | Last date |
|---|---|---|
| 1963 | 1963-06-25 | 1963-07-27 |
| 1964 | 1964-06-09 | 1964-09-10 |
| 1965 | 1965-06-06 | 1965-09-22 |
| 1966 | 1966-06-22 | 1966-08-09 |
| 1967 | 1967-06-10 | 1967-06-17 |
| 1968 | 1968-06-07 | 1968-08-24 |
| 1969 | 1969-05-29 | 1969-09-01 |
| 1970 | 1970-06-10 | 1970-08-15 |
| 1971 | 1971-05-19 | 1971-08-09 |
| 1972 | 1972-07-18 | 1972-07-23 |
| 1973 | 1973-06-10 | 1973-09-04 |
| 1974 | 1974-07-03 | 1974-07-14 |
| 1975 | 1975-07-23 | 1975-08-26 |
| 1976 | 1976-04-18 | 1976-04-18 |
| 1977 | 1977-05-20 | 1977-09-01 |
| 1978 | 1978-05-26 | 1978-08-19 |
| 1979 | 1979-05-08 | 1979-09-04 |
| 1980 | 1980-06-28 | 1980-07-21 |
| 1981 | 1981-06-30 | 1981-07-19 |
| 1982 | 1982-06-28 | 1982-08-05 |
| 1983 | 1983-06-12 | 1983-09-10 |
| 1984 | 1984-06-10 | 1984-08-10 |
| 1985 | 1985-04-23 | 1985-09-07 |
| 1986 | 1986-07-06 | 1986-07-25 |
| 1987 | 1987-06-19 | 1987-08-17 |
| 1988 | 1988-05-30 | 1988-08-17 |
| 1989 | 1989-06-24 | 1989-08-03 |
| 1990 | 1990-04-27 | 1990-07-05 |
| 1991 | 1991-05-22 | 1991-08-30 |
| 1993 | 1993-07-04 | 1993-08-31 |
| 1994 | 1994-06-15 | 1994-07-06 |
| 1995 | 1995-07-13 | 1995-08-31 |
| 1996 | 1996-05-19 | 1996-07-01 |
| 2001 | 2001-06-14 | 2001-08-13 |
| 2002 | 2002-06-10 | 2002-09-10 |
| 2005 | 2005-06-25 | 2005-08-20 |
| 2006 | 2006-05-29 | 2006-08-03 |
| 2007 | 2007-05-31 | 2007-09-25 |
| 2008 | 2008-06-06 | 2008-06-12 |
| 2010 | 2010-05-26 | 2010-09-24 |
| 2011 | 2011-05-30 | 2011-09-03 |
| 2012 | 2012-05-27 | 2012-08-31 |
| 2013 | 2013-05-31 | 2013-09-11 |
| 2014 | 2014-05-13 | 2014-07-01 |
| 2015 | 2015-05-08 | 2015-09-09 |
| 2016 | 2016-05-28 | 2016-09-07 |
| 2017 | 2017-06-13 | 2017-09-27 |
| 2018 | 2018-05-29 | 2018-09-05 |
| 2019 | 2019-07-20 | 2019-10-01 |
| 2020 | 2020-06-09 | 2020-08-27 |
| 2021 | 2021-05-20 | 2021-08-26 |
| 2022 | 2022-05-21 | 2022-08-29 |
| 2023 | 2023-04-14 | 2023-09-06 |
| 2024 | 2024-06-17 | 2024-08-28 |
| 2025 | 2025-06-22 | 2025-08-16 |
| 2026 | 2026-06-30 | 2026-07-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 37 | 1988 | 7 |
| 35 C (95 F): Days | 4 | 5 | 1988 | 2 |
| 90 F (32.2 C): Days | 34 | 20 | 1988 | 2 |
| 100 F (37.8 C): Days | 1 | 1 | 2011 | 1 |
| 0 C (32 F): Ice days (max | 60 | 73 | 1969 | 35 |
| 0 C (32 F): Frost days (min | 60 | 159 | 1966 | 78 |
| -10 C (14 F): Days with min | 60 | 54 | 1978 | 30 |
| -20 C (-4 F): Days with min | 42 | 14 | 1963 | 5 |
| -30 C (-22 F): Days with min | 2 | 1 | 1985 | 1 |
| 20 C (68 F): Tropical nights (min | 50 | 15 | 1988 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 59 | 51 | 2018 | 36 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 59 | 16 | 1996 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 36 | 4 | 1996 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1996 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 27 | 7 | 1963 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 1 | 1964 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.
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).