San Antonio Tejas Threshold Days by Year (MXN00012140)
10 fixed thresholds counted per year at San Antonio Tejas (MXN00012140): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Antonio Tejas Thresholds
- San Antonio Tejas: days with 10 mm (0.39 in) or more of precipitation in 34 years, most in 1999 with 79.
- San Antonio Tejas: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1999 with 40.
- San Antonio Tejas: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1988 with 11.
- San Antonio Tejas: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1998 with 319.
- 10 fixed thresholds have at least one qualifying day at San Antonio Tejas.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1967 | 19 | 19 |
| 1973 | 65 | 58.7 |
| 1974 | 22 | 58.7 |
| 1975 | 47 | 58.7 |
| 1976 | 36 | 58.7 |
| 1977 | 119 | 58.7 |
| 1978 | 49 | 58.7 |
| 1979 | 73 | 58.7 |
| 1980 | 64 | 62 |
| 1981 | 40 | 62 |
| 1985 | 126 | 62 |
| 1986 | 70 | 62 |
| 1987 | 47 | 62 |
| 1988 | 25 | 62 |
| 1992 | 206 | 135.6 |
| 1993 | 40 | 135.6 |
| 1994 | 85 | 135.6 |
| 1995 | 32 | 135.6 |
| 1996 | 20 | 135.6 |
| 1998 | 319 | 135.6 |
| 1999 | 247 | 135.6 |
| 2002 | 13 | 31 |
| 2003 | 49 | 31 |
| 2011 | 27 | 31.5 |
| 2012 | 36 | 31.5 |
| Year | First date | Last date |
|---|---|---|
| 1967 | 1967-03-13 | 1967-05-15 |
| 1973 | 1973-01-10 | 1973-06-15 |
| 1974 | 1974-03-06 | 1974-12-19 |
| 1975 | 1975-02-28 | 1975-12-05 |
| 1976 | 1976-02-20 | 1976-12-31 |
| 1977 | 1977-01-06 | 1977-12-24 |
| 1978 | 1978-01-04 | 1978-08-22 |
| 1979 | 1979-02-03 | 1979-12-09 |
| 1980 | 1980-03-07 | 1980-11-27 |
| 1981 | 1981-02-21 | 1981-11-07 |
| 1985 | 1985-01-07 | 1985-11-13 |
| 1986 | 1986-02-10 | 1986-11-01 |
| 1987 | 1987-03-01 | 1987-12-10 |
| 1988 | 1988-03-02 | 1988-06-18 |
| 1992 | 1992-02-01 | 1992-12-23 |
| 1993 | 1993-01-10 | 1993-09-30 |
| 1994 | 1994-03-29 | 1994-09-30 |
| 1995 | 1995-03-20 | 1995-07-28 |
| 1996 | 1996-04-10 | 1996-09-24 |
| 1998 | 1998-01-01 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-29 |
| 2002 | 2002-03-25 | 2002-10-16 |
| 2003 | 2003-01-11 | 2003-12-21 |
| 2011 | 2011-03-21 | 2011-05-26 |
| 2012 | 2012-04-06 | 2012-05-21 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 319 | 1998 | 36 |
| 35 C (95 F): Days | 3 | 31 | 1998 | 31 |
| 90 F (32.2 C): Days | 13 | 179 | 1998 | 8 |
| 100 F (37.8 C): Days | 1 | 2 | 1998 | 2 |
| 20 C (68 F): Tropical nights (min | 11 | 24 | 1980 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 79 | 1999 | 56 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 40 | 1999 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 31 | 11 | 1988 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 14 | 3 | 1988 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.
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).