Sonnette 7 SW Threshold Days by Year (USC00247740)
18 fixed thresholds counted per year at Sonnette 7 SW (USC00247740): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sonnette 7 SW Thresholds
- Sonnette 7 SW: days with a maximum temperature at or above 30 C (86 F) in 53 years, most in 2021 with 77.
- Sonnette 7 SW: days with a maximum temperature at or above 90 F (32.2 C) in 53 years, most in 2021 with 59.
- Sonnette 7 SW: days with a maximum temperature at or below 0 C (32 F) in 53 years, most in 1996 with 70.
- Sonnette 7 SW: nights with a minimum temperature at or below 0 C (32 F) in 53 years, most in 1968 with 219.
- 18 fixed thresholds have at least one qualifying day at Sonnette 7 SW.
Days at or above 30 C (86 F)
53 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1966 | 58 | 41.8 |
| 1967 | 44 | 41.8 |
| 1968 | 25 | 41.8 |
| 1969 | 40 | 41.8 |
| 1970 | 55 | 39.4 |
| 1971 | 45 | 39.4 |
| 1973 | 34 | 39.4 |
| 1974 | 41 | 39.4 |
| 1975 | 30 | 39.4 |
| 1977 | 33 | 39.4 |
| 1979 | 38 | 39.4 |
| 1980 | 50 | 44.7 |
| 1981 | 39 | 44.7 |
| 1982 | 36 | 44.7 |
| 1983 | 55 | 44.7 |
| 1984 | 46 | 44.7 |
| 1985 | 41 | 44.7 |
| 1986 | 38 | 44.7 |
| 1987 | 31 | 44.7 |
| 1988 | 66 | 44.7 |
| 1989 | 45 | 44.7 |
| 1990 | 52 | 34.4 |
| 1991 | 45 | 34.4 |
| 1992 | 31 | 34.4 |
| 1993 | 8 | 34.4 |
| 1994 | 25 | 34.4 |
| 1995 | 37 | 34.4 |
| 1996 | 34 | 34.4 |
| 1997 | 39 | 34.4 |
| 1998 | 45 | 34.4 |
| 1999 | 28 | 34.4 |
| 2001 | 45 | 39 |
| 2002 | 42 | 39 |
| 2003 | 50 | 39 |
| 2004 | 25 | 39 |
| 2005 | 38 | 39 |
| 2006 | 48 | 39 |
| 2007 | 50 | 39 |
| 2008 | 23 | 39 |
| 2009 | 30 | 39 |
| 2010 | 24 | 44.9 |
| 2011 | 42 | 44.9 |
| 2012 | 62 | 44.9 |
| 2014 | 38 | 44.9 |
| 2015 | 50 | 44.9 |
| 2016 | 52 | 44.9 |
| 2017 | 61 | 44.9 |
| 2018 | 43 | 44.9 |
| 2019 | 32 | 44.9 |
| 2020 | 62 | 59.5 |
| 2021 | 77 | 59.5 |
| 2022 | 62 | 59.5 |
| 2023 | 37 | 59.5 |
| Year | First date | Last date |
|---|---|---|
| 1966 | 1966-05-04 | 1966-09-23 |
| 1967 | 1967-05-23 | 1967-09-22 |
| 1968 | 1968-06-02 | 1968-09-11 |
| 1969 | 1969-05-25 | 1969-09-18 |
| 1970 | 1970-05-17 | 1970-09-08 |
| 1971 | 1971-06-23 | 1971-09-13 |
| 1973 | 1973-06-13 | 1973-08-30 |
| 1974 | 1974-06-17 | 1974-08-24 |
| 1975 | 1975-06-25 | 1975-09-15 |
| 1977 | 1977-06-01 | 1977-09-14 |
| 1979 | 1979-05-27 | 1979-09-19 |
| 1980 | 1980-04-21 | 1980-09-30 |
| 1981 | 1981-06-26 | 1981-09-19 |
| 1982 | 1982-06-27 | 1982-09-09 |
| 1983 | 1983-06-23 | 1983-09-26 |
| 1984 | 1984-05-15 | 1984-09-18 |
| 1985 | 1985-05-24 | 1985-09-14 |
| 1986 | 1986-05-03 | 1986-08-29 |
| 1987 | 1987-05-08 | 1987-10-03 |
| 1988 | 1988-05-13 | 1988-09-06 |
| 1989 | 1989-06-19 | 1989-09-30 |
| 1990 | 1990-06-09 | 1990-09-25 |
| 1991 | 1991-06-11 | 1991-10-16 |
| 1992 | 1992-05-07 | 1992-10-03 |
| 1993 | 1993-06-20 | 1993-08-21 |
| 1994 | 1994-05-27 | 1994-09-09 |
| 1995 | 1995-06-13 | 1995-09-04 |
| 1996 | 1996-07-01 | 1996-09-04 |
| 1997 | 1997-06-22 | 1997-10-03 |
| 1998 | 1998-07-04 | 1998-09-18 |
| 1999 | 1999-06-21 | 1999-09-06 |
| 2001 | 2001-05-13 | 2001-09-28 |
| 2002 | 2002-06-24 | 2002-09-16 |
| 2003 | 2003-05-29 | 2003-09-08 |
| 2004 | 2004-06-06 | 2004-09-18 |
| 2005 | 2005-06-21 | 2005-10-01 |
| 2006 | 2006-06-08 | 2006-09-13 |
| 2007 | 2007-06-20 | 2007-09-22 |
| 2008 | 2008-06-30 | 2008-09-25 |
| 2009 | 2009-05-19 | 2009-09-19 |
| 2010 | 2010-06-29 | 2010-09-28 |
| 2011 | 2011-06-29 | 2011-10-04 |
| 2012 | 2012-05-16 | 2012-09-15 |
| 2014 | 2014-05-26 | 2014-09-26 |
| 2015 | 2015-06-08 | 2015-10-10 |
| 2016 | 2016-06-07 | 2016-09-02 |
| 2017 | 2017-05-06 | 2017-09-13 |
| 2018 | 2018-05-26 | 2018-09-10 |
| 2019 | 2019-07-07 | 2019-09-16 |
| 2020 | 2020-05-31 | 2020-09-24 |
| 2021 | 2021-06-02 | 2021-10-05 |
| 2022 | 2022-06-17 | 2022-09-29 |
| 2023 | 2023-05-22 | 2023-09-17 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 53 | 77 | 2021 | 37 |
| 35 C (95 F): Days | 52 | 30 | 1988 | 6 |
| 40 C (104 F): Days | 6 | 3 | 1988 | 1 |
| 90 F (32.2 C): Days | 53 | 59 | 2021 | 21 |
| 100 F (37.8 C): Days | 30 | 13 | 1988 | 1 |
| 0 C (32 F): Ice days (max | 53 | 70 | 1996 | 32 |
| 0 C (32 F): Frost days (min | 53 | 219 | 1968 | 188 |
| -10 C (14 F): Days with min | 53 | 94 | 1969 | 69 |
| -20 C (-4 F): Days with min | 53 | 36 | 1979 | 11 |
| -30 C (-22 F): Days with min | 46 | 10 | 1989 | 4 |
| -40 C (-40 F): Days with min | 3 | 2 | 1989 | 1 |
| 20 C (68 F): Tropical nights (min | 16 | 3 | 2012 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 49 | 21 | 2005 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 40 | 5 | 1969 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 1 | 1970 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 13 | 8 | 2018 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 2 | 1967 | 2 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1967 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.
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).