St Charles 7 SSW Threshold Days by Year (USC00237398)
17 fixed thresholds counted per year at St Charles 7 SSW (USC00237398): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St Charles 7 SSW Thresholds
- St Charles 7 SSW: days with a maximum temperature at or above 30 C (86 F) in 47 years, most in 1980 with 101.
- St Charles 7 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 47 years, most in 1980 with 71.
- St Charles 7 SSW: days with a maximum temperature at or below 0 C (32 F) in 47 years, most in 1977 with 40.
- St Charles 7 SSW: nights with a minimum temperature at or below 0 C (32 F) in 47 years, most in 1996 with 156.
- 17 fixed thresholds have at least one qualifying day at St Charles 7 SSW.
Days at or above 30 C (86 F)
47 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1976 | 63 | 73.7 |
| 1977 | 80 | 73.7 |
| 1979 | 78 | 73.7 |
| 1980 | 101 | 78 |
| 1981 | 77 | 78 |
| 1982 | 42 | 78 |
| 1983 | 88 | 78 |
| 1984 | 79 | 78 |
| 1985 | 69 | 78 |
| 1986 | 88 | 78 |
| 1987 | 95 | 78 |
| 1988 | 84 | 78 |
| 1989 | 57 | 78 |
| 1990 | 66 | 69 |
| 1991 | 87 | 69 |
| 1992 | 55 | 69 |
| 1993 | 54 | 69 |
| 1994 | 77 | 69 |
| 1995 | 75 | 69 |
| 1996 | 71 | 69 |
| 1997 | 64 | 69 |
| 1998 | 81 | 69 |
| 1999 | 60 | 69 |
| 2000 | 70 | 61.9 |
| 2001 | 66 | 61.9 |
| 2002 | 79 | 61.9 |
| 2003 | 49 | 61.9 |
| 2004 | 39 | 61.9 |
| 2005 | 79 | 61.9 |
| 2006 | 73 | 61.9 |
| 2007 | 81 | 61.9 |
| 2008 | 44 | 61.9 |
| 2009 | 39 | 61.9 |
| 2010 | 89 | 81.6 |
| 2011 | 77 | 81.6 |
| 2012 | 82 | 81.6 |
| 2016 | 78 | 81.6 |
| 2017 | 70 | 81.6 |
| 2018 | 98 | 81.6 |
| 2019 | 77 | 81.6 |
| 2020 | 71 | 77.1 |
| 2021 | 81 | 77.1 |
| 2022 | 76 | 77.1 |
| 2023 | 71 | 77.1 |
| 2024 | 76 | 77.1 |
| 2025 | 82 | 77.1 |
| 2026 | 83 | 77.1 |
| Year | First date | Last date |
|---|---|---|
| 1976 | 1976-04-24 | 1976-10-13 |
| 1977 | 1977-04-12 | 1977-09-18 |
| 1979 | 1979-05-08 | 1979-10-22 |
| 1980 | 1980-04-22 | 1980-10-09 |
| 1981 | 1981-04-01 | 1981-10-06 |
| 1982 | 1982-05-05 | 1982-10-07 |
| 1983 | 1983-06-06 | 1983-10-04 |
| 1984 | 1984-05-20 | 1984-09-25 |
| 1985 | 1985-03-29 | 1985-09-23 |
| 1986 | 1986-03-30 | 1986-09-30 |
| 1987 | 1987-04-21 | 1987-09-28 |
| 1988 | 1988-04-06 | 1988-09-23 |
| 1989 | 1989-04-25 | 1989-10-16 |
| 1990 | 1990-04-25 | 1990-10-06 |
| 1991 | 1991-03-27 | 1991-09-16 |
| 1992 | 1992-05-01 | 1992-09-18 |
| 1993 | 1993-05-09 | 1993-09-13 |
| 1994 | 1994-04-15 | 1994-10-02 |
| 1995 | 1995-05-14 | 1995-10-18 |
| 1996 | 1996-05-10 | 1996-09-23 |
| 1997 | 1997-06-19 | 1997-10-05 |
| 1998 | 1998-05-15 | 1998-09-30 |
| 1999 | 1999-06-05 | 1999-09-28 |
| 2000 | 2000-04-20 | 2000-10-04 |
| 2001 | 2001-04-09 | 2001-09-09 |
| 2002 | 2002-04-16 | 2002-10-03 |
| 2003 | 2003-04-15 | 2003-10-21 |
| 2004 | 2004-04-18 | 2004-09-06 |
| 2005 | 2005-05-11 | 2005-10-06 |
| 2006 | 2006-04-14 | 2006-10-05 |
| 2007 | 2007-05-01 | 2007-10-09 |
| 2008 | 2008-05-31 | 2008-09-14 |
| 2009 | 2009-04-25 | 2009-08-28 |
| 2010 | 2010-04-01 | 2010-09-24 |
| 2011 | 2011-04-04 | 2011-09-14 |
| 2012 | 2012-04-02 | 2012-09-14 |
| 2016 | 2016-04-26 | 2016-10-18 |
| 2017 | 2017-04-20 | 2017-10-03 |
| 2018 | 2018-04-13 | 2018-10-09 |
| 2019 | 2019-04-17 | 2019-10-03 |
| 2020 | 2020-04-09 | 2020-10-15 |
| 2021 | 2021-05-02 | 2021-10-11 |
| 2022 | 2022-04-24 | 2022-09-25 |
| 2023 | 2023-04-05 | 2023-10-04 |
| 2024 | 2024-04-15 | 2024-10-13 |
| 2025 | 2025-04-29 | 2025-10-04 |
| 2026 | 2026-03-11 | 2026-10-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 47 | 101 | 1980 | 83 |
| 35 C (95 F): Days | 46 | 44 | 1983 | 15 |
| 40 C (104 F): Days | 3 | 7 | 2012 | 7 |
| 90 F (32.2 C): Days | 47 | 71 | 1980 | 48 |
| 100 F (37.8 C): Days | 27 | 19 | 1980 | 1 |
| 0 C (32 F): Ice days (max | 47 | 40 | 1977 | 17 |
| 0 C (32 F): Frost days (min | 47 | 156 | 1996 | 53 |
| -10 C (14 F): Days with min | 47 | 45 | 1996 | 14 |
| -20 C (-4 F): Days with min | 23 | 10 | 1977 | 3 |
| 20 C (68 F): Tropical nights (min | 47 | 84 | 2018 | 66 |
| 25 C (77 F): Days with min | 33 | 13 | 2022 | 14 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 46 | 49 | 2019 | 30 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 23 | 2009 | 17 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 39 | 5 | 1996 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 2020 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 11 | 2 | 1977 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 2 | 1982 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.
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).