Danville 2 W Threshold Days by Year (USC00332044)
17 fixed thresholds counted per year at Danville 2 W (USC00332044): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Danville 2 W Thresholds
- Danville 2 W: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1990 with 51.
- Danville 2 W: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1990 with 18.
- Danville 2 W: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1983 with 68.
- Danville 2 W: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 2010 with 60.
- 17 fixed thresholds have at least one qualifying day at Danville 2 W.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1964 | 40 | 36.7 |
| 1965 | 27 | 36.7 |
| 1966 | 31 | 36.7 |
| 1967 | 32 | 36.7 |
| 1968 | 47 | 36.7 |
| 1969 | 43 | 36.7 |
| 1970 | 53 | 39.1 |
| 1971 | 52 | 39.1 |
| 1972 | 22 | 39.1 |
| 1973 | 34 | 39.1 |
| 1974 | 35 | 39.1 |
| 1975 | 45 | 39.1 |
| 1976 | 23 | 39.1 |
| 1977 | 47 | 39.1 |
| 1978 | 49 | 39.1 |
| 1979 | 31 | 39.1 |
| 1980 | 49 | 39.8 |
| 1981 | 21 | 39.8 |
| 1982 | 28 | 39.8 |
| 1983 | 68 | 39.8 |
| 1984 | 45 | 39.8 |
| 1985 | 34 | 39.8 |
| 1986 | 42 | 39.8 |
| 1987 | 35 | 39.8 |
| 1988 | 52 | 39.8 |
| 1989 | 24 | 39.8 |
| 1990 | 14 | 29.8 |
| 1991 | 66 | 29.8 |
| 1992 | 7 | 29.8 |
| 1993 | 36 | 29.8 |
| 1994 | 25 | 29.8 |
| 1995 | 30 | 29.8 |
| 1996 | 21 | 29.8 |
| 1997 | 18 | 29.8 |
| 1998 | 35 | 29.8 |
| 1999 | 46 | 29.8 |
| 2000 | 7 | 25.5 |
| 2001 | 29 | 25.5 |
| 2002 | 52 | 25.5 |
| 2003 | 20 | 25.5 |
| 2004 | 11 | 25.5 |
| 2005 | 36 | 25.5 |
| 2006 | 26 | 25.5 |
| 2007 | 41 | 25.5 |
| 2008 | 25 | 25.5 |
| 2009 | 8 | 25.5 |
| 2010 | 43 | 33.1 |
| 2011 | 37 | 33.1 |
| 2012 | 40 | 33.1 |
| 2015 | 25 | 33.1 |
| 2016 | 43 | 33.1 |
| 2017 | 16 | 33.1 |
| 2018 | 35 | 33.1 |
| 2019 | 26 | 33.1 |
| 2020 | 29 | 29.5 |
| 2021 | 30 | 29.5 |
| Year | First date | Last date |
|---|---|---|
| 1964 | 1964-05-20 | 1964-09-18 |
| 1965 | 1965-06-21 | 1965-09-20 |
| 1966 | 1966-06-10 | 1966-09-04 |
| 1967 | 1967-05-27 | 1967-08-08 |
| 1968 | 1968-06-06 | 1968-09-23 |
| 1969 | 1969-05-06 | 1969-09-02 |
| 1970 | 1970-04-30 | 1970-09-25 |
| 1971 | 1971-06-04 | 1971-09-29 |
| 1972 | 1972-06-14 | 1972-09-17 |
| 1973 | 1973-06-10 | 1973-09-27 |
| 1974 | 1974-05-21 | 1974-08-27 |
| 1975 | 1975-05-20 | 1975-08-26 |
| 1976 | 1976-06-09 | 1976-08-25 |
| 1977 | 1977-05-16 | 1977-09-05 |
| 1978 | 1978-05-26 | 1978-09-22 |
| 1979 | 1979-05-08 | 1979-09-04 |
| 1980 | 1980-05-29 | 1980-09-21 |
| 1981 | 1981-06-14 | 1981-08-28 |
| 1982 | 1982-05-06 | 1982-09-13 |
| 1983 | 1983-06-11 | 1983-09-19 |
| 1984 | 1984-06-05 | 1984-09-22 |
| 1985 | 1985-04-21 | 1985-09-23 |
| 1986 | 1986-04-26 | 1986-09-30 |
| 1987 | 1987-05-29 | 1987-08-20 |
| 1988 | 1988-05-30 | 1988-08-19 |
| 1989 | 1989-06-02 | 1989-09-10 |
| 1990 | 1990-04-28 | 1990-09-07 |
| 1991 | 1991-05-15 | 1991-09-17 |
| 1992 | 1992-07-10 | 1992-08-11 |
| 1993 | 1993-05-10 | 1993-09-15 |
| 1994 | 1994-06-07 | 1994-09-17 |
| 1995 | 1995-06-19 | 1995-09-01 |
| 1996 | 1996-05-20 | 1996-08-24 |
| 1997 | 1997-06-21 | 1997-08-17 |
| 1998 | 1998-05-16 | 1998-09-27 |
| 1999 | 1999-05-13 | 1999-09-29 |
| 2000 | 2000-06-11 | 2000-09-03 |
| 2001 | 2001-06-13 | 2001-09-08 |
| 2002 | 2002-06-05 | 2002-09-21 |
| 2003 | 2003-06-24 | 2003-08-30 |
| 2004 | 2004-05-23 | 2004-08-30 |
| 2005 | 2005-06-06 | 2005-08-21 |
| 2006 | 2006-05-29 | 2006-08-27 |
| 2007 | 2007-05-24 | 2007-10-09 |
| 2008 | 2008-06-06 | 2008-09-15 |
| 2009 | 2009-06-25 | 2009-08-18 |
| 2010 | 2010-05-28 | 2010-09-25 |
| 2011 | 2011-05-30 | 2011-09-04 |
| 2012 | 2012-05-21 | 2012-09-01 |
| 2015 | 2015-05-08 | 2015-09-09 |
| 2016 | 2016-05-29 | 2016-09-24 |
| 2017 | 2017-06-13 | 2017-09-28 |
| 2018 | 2018-05-29 | 2018-10-09 |
| 2019 | 2019-06-28 | 2019-10-04 |
| 2020 | 2020-05-27 | 2020-08-28 |
| 2021 | 2021-05-24 | 2021-09-20 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 68 | 1983 | 30 |
| 35 C (95 F): Days | 19 | 12 | 1988 | 5 |
| 90 F (32.2 C): Days | 52 | 33 | 1988 | 2 |
| 100 F (37.8 C): Days | 1 | 4 | 1988 | 4 |
| 0 C (32 F): Ice days (max | 56 | 60 | 2010 | 30 |
| 0 C (32 F): Frost days (min | 56 | 176 | 1988 | 147 |
| -10 C (14 F): Days with min | 56 | 56 | 1978 | 15 |
| -20 C (-4 F): Days with min | 51 | 18 | 1977 | 2 |
| -30 C (-22 F): Days with min | 9 | 4 | 1989 | 1 |
| 20 C (68 F): Tropical nights (min | 53 | 14 | 1977 | 5 |
| 25 C (77 F): Days with min | 1 | 1 | 1975 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 51 | 1990 | 43 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 18 | 1990 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 35 | 3 | 1979 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1979 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 40 | 5 | 2010 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 8 | 1 | 1968 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.
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 (2025-12-31).