Mathis 4 SSW Threshold Days by Year (USC00415661)
16 fixed thresholds counted per year at Mathis 4 SSW (USC00415661): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Mathis 4 SSW Thresholds
- Mathis 4 SSW: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 2025 with 210.
- Mathis 4 SSW: days with a maximum temperature at or above 35 C (95 F) in 61 years, most in 2023 with 102.
- Mathis 4 SSW: days with a maximum temperature at or above 90 F (32.2 C) in 61 years, most in 1996 with 159.
- Mathis 4 SSW: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1976 with 40.
- 16 fixed thresholds have at least one qualifying day at Mathis 4 SSW.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1965 | 160 | 151.2 |
| 1966 | 111 | 151.2 |
| 1967 | 164 | 151.2 |
| 1968 | 157 | 151.2 |
| 1969 | 164 | 151.2 |
| 1970 | 147 | 171 |
| 1971 | 183 | 171 |
| 1972 | 177 | 171 |
| 1973 | 171 | 171 |
| 1974 | 188 | 171 |
| 1975 | 190 | 171 |
| 1976 | 152 | 171 |
| 1978 | 168 | 171 |
| 1979 | 163 | 171 |
| 1980 | 167 | 169.2 |
| 1981 | 155 | 169.2 |
| 1982 | 165 | 169.2 |
| 1983 | 159 | 169.2 |
| 1984 | 170 | 169.2 |
| 1985 | 163 | 169.2 |
| 1986 | 166 | 169.2 |
| 1987 | 161 | 169.2 |
| 1988 | 186 | 169.2 |
| 1989 | 200 | 169.2 |
| 1990 | 172 | 169 |
| 1991 | 175 | 169 |
| 1992 | 154 | 169 |
| 1993 | 157 | 169 |
| 1994 | 173 | 169 |
| 1995 | 183 | 169 |
| 1996 | 199 | 169 |
| 1997 | 152 | 169 |
| 1998 | 161 | 169 |
| 1999 | 164 | 169 |
| 2000 | 188 | 172.1 |
| 2001 | 172 | 172.1 |
| 2002 | 183 | 172.1 |
| 2003 | 139 | 172.1 |
| 2004 | 138 | 172.1 |
| 2005 | 187 | 172.1 |
| 2006 | 202 | 172.1 |
| 2007 | 157 | 172.1 |
| 2008 | 176 | 172.1 |
| 2009 | 179 | 172.1 |
| 2010 | 150 | 167.8 |
| 2011 | 191 | 167.8 |
| 2012 | 186 | 167.8 |
| 2013 | 155 | 167.8 |
| 2014 | 159 | 167.8 |
| 2015 | 156 | 167.8 |
| 2016 | 172 | 167.8 |
| 2017 | 179 | 167.8 |
| 2018 | 163 | 167.8 |
| 2019 | 167 | 167.8 |
| 2020 | 180 | 184.6 |
| 2021 | 158 | 184.6 |
| 2022 | 187 | 184.6 |
| 2023 | 182 | 184.6 |
| 2024 | 199 | 184.6 |
| 2025 | 210 | 184.6 |
| 2026 | 176 | 184.6 |
| Year | First date | Last date |
|---|---|---|
| 1965 | 1965-01-26 | 1965-11-27 |
| 1966 | 1966-03-03 | 1966-10-01 |
| 1967 | 1967-03-11 | 1967-11-24 |
| 1968 | 1968-04-04 | 1968-11-06 |
| 1969 | 1969-01-23 | 1969-11-13 |
| 1970 | 1970-03-26 | 1970-12-23 |
| 1971 | 1971-01-04 | 1971-11-14 |
| 1972 | 1972-01-23 | 1972-12-06 |
| 1973 | 1973-03-06 | 1973-12-31 |
| 1974 | 1974-01-11 | 1974-11-20 |
| 1975 | 1975-01-27 | 1975-11-30 |
| 1976 | 1976-01-14 | 1976-10-15 |
| 1978 | 1978-03-14 | 1978-12-21 |
| 1979 | 1979-03-09 | 1979-11-28 |
| 1980 | 1980-02-20 | 1980-11-09 |
| 1981 | 1981-03-31 | 1981-11-27 |
| 1982 | 1982-01-23 | 1982-12-03 |
| 1983 | 1983-03-05 | 1983-12-11 |
| 1984 | 1984-03-03 | 1984-11-16 |
| 1985 | 1985-03-12 | 1985-11-16 |
| 1986 | 1986-02-18 | 1986-11-19 |
| 1987 | 1987-04-11 | 1987-12-12 |
| 1988 | 1988-03-11 | 1988-12-28 |
| 1989 | 1989-01-06 | 1989-11-28 |
| 1990 | 1990-02-10 | 1990-12-22 |
| 1991 | 1991-03-02 | 1991-11-30 |
| 1992 | 1992-03-07 | 1992-11-04 |
| 1993 | 1993-02-16 | 1993-11-14 |
| 1994 | 1994-01-07 | 1994-11-28 |
| 1995 | 1995-02-11 | 1995-11-11 |
| 1996 | 1996-01-24 | 1996-12-12 |
| 1997 | 1997-01-05 | 1997-11-06 |
| 1998 | 1998-03-31 | 1998-10-18 |
| 1999 | 1999-02-10 | 1999-10-17 |
| 2000 | 2000-01-03 | 2000-11-04 |
| 2001 | 2001-02-15 | 2001-11-03 |
| 2002 | 2002-01-24 | 2002-11-11 |
| 2003 | 2003-04-17 | 2003-09-28 |
| 2004 | 2004-04-01 | 2004-11-30 |
| 2005 | 2005-02-15 | 2005-12-28 |
| 2006 | 2006-01-02 | 2006-11-29 |
| 2007 | 2007-02-27 | 2007-11-22 |
| 2008 | 2008-02-05 | 2008-12-28 |
| 2009 | 2009-01-28 | 2009-10-30 |
| 2010 | 2010-04-24 | 2010-11-26 |
| 2011 | 2011-02-25 | 2011-11-21 |
| 2012 | 2012-03-23 | 2012-11-12 |
| 2013 | 2013-01-30 | 2013-11-18 |
| 2014 | 2014-02-15 | 2014-10-29 |
| 2015 | 2015-04-08 | 2015-12-11 |
| 2016 | 2016-03-14 | 2016-12-18 |
| 2017 | 2017-01-25 | 2017-11-18 |
| 2018 | 2018-02-25 | 2018-11-08 |
| 2019 | 2019-02-16 | 2019-12-16 |
| 2020 | 2020-02-11 | 2020-11-28 |
| 2021 | 2021-01-31 | 2021-12-11 |
| 2022 | 2022-01-01 | 2022-11-07 |
| 2023 | 2023-01-12 | 2023-11-10 |
| 2024 | 2024-01-09 | 2024-12-31 |
| 2025 | 2025-02-07 | 2025-11-22 |
| 2026 | 2026-01-03 | 2026-10-15 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 210 | 2025 | 176 |
| 35 C (95 F): Days | 61 | 102 | 2023 | 67 |
| 40 C (104 F): Days | 21 | 8 | 2023 | 8 |
| 90 F (32.2 C): Days | 61 | 159 | 1996 | 118 |
| 100 F (37.8 C): Days | 55 | 51 | 2023 | 15 |
| 110 F (43.3 C): Days | 1 | 1 | 1998 | 1 |
| 0 C (32 F): Ice days (max | 9 | 5 | 1989 | 1 |
| 0 C (32 F): Frost days (min | 56 | 23 | 1966 | 8 |
| -10 C (14 F): Days with min | 1 | 3 | 1989 | 3 |
| 20 C (68 F): Tropical nights (min | 60 | 184 | 2025 | 172 |
| 25 C (77 F): Days with min | 56 | 37 | 1998 | 29 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 61 | 40 | 1976 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 61 | 20 | 1976 | 7 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 54 | 8 | 1972 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 22 | 2 | 1967 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 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 1965.
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).