Union de San Antonio Threshold Days by Year (MXN00014157)
9 fixed thresholds counted per year at Union de San Antonio (MXN00014157): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Union de San Antonio Thresholds
- Union de San Antonio: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1971 with 36.
- Union de San Antonio: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1971 with 16.
- Union de San Antonio: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2006 with 167.
- Union de San Antonio: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 1965 with 50.
- 9 fixed thresholds have at least one qualifying day at Union de San Antonio.
Days at or above 30 C (86 F)
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 61 | 61.1 |
| 1963 | 80 | 61.1 |
| 1964 | 80 | 61.1 |
| 1965 | 112 | 61.1 |
| 1966 | 42 | 61.1 |
| 1967 | 22 | 61.1 |
| 1968 | 43 | 61.1 |
| 1969 | 49 | 61.1 |
| 1970 | 69 | 47.2 |
| 1971 | 42 | 47.2 |
| 1972 | 47 | 47.2 |
| 1973 | 39 | 47.2 |
| 1975 | 40 | 47.2 |
| 1976 | 20 | 47.2 |
| 1977 | 35 | 47.2 |
| 1978 | 51 | 47.2 |
| 1979 | 82 | 47.2 |
| 1980 | 67 | 57.9 |
| 1981 | 50 | 57.9 |
| 1982 | 98 | 57.9 |
| 1983 | 64 | 57.9 |
| 1984 | 50 | 57.9 |
| 1985 | 31 | 57.9 |
| 1986 | 45 | 57.9 |
| 2005 | 6 | 94.2 |
| 2006 | 167 | 94.2 |
| 2007 | 143 | 94.2 |
| 2008 | 65 | 94.2 |
| 2009 | 90 | 94.2 |
| 2010 | 56 | 56 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-04-12 | 1961-10-24 |
| 1963 | 1963-03-14 | 1963-07-15 |
| 1964 | 1964-04-01 | 1964-09-16 |
| 1965 | 1965-03-10 | 1965-11-27 |
| 1966 | 1966-04-13 | 1966-06-09 |
| 1967 | 1967-03-14 | 1967-06-08 |
| 1968 | 1968-04-21 | 1968-09-25 |
| 1969 | 1969-04-03 | 1969-09-21 |
| 1970 | 1970-04-01 | 1970-09-12 |
| 1971 | 1971-03-17 | 1971-06-08 |
| 1972 | 1972-03-12 | 1972-07-10 |
| 1973 | 1973-03-01 | 1973-06-19 |
| 1975 | 1975-04-06 | 1975-06-15 |
| 1976 | 1976-03-13 | 1976-07-01 |
| 1977 | 1977-03-17 | 1977-09-27 |
| 1978 | 1978-03-22 | 1978-11-19 |
| 1979 | 1979-03-24 | 1979-10-25 |
| 1980 | 1980-03-10 | 1980-07-26 |
| 1981 | 1981-03-31 | 1981-10-07 |
| 1982 | 1982-02-07 | 1982-09-30 |
| 1983 | 1983-04-01 | 1983-10-02 |
| 1984 | 1984-03-29 | 1984-11-21 |
| 1985 | 1985-03-01 | 1985-11-13 |
| 1986 | 1986-02-18 | 1986-06-24 |
| 2005 | 2005-04-12 | 2005-10-23 |
| 2006 | 2006-03-07 | 2006-12-31 |
| 2007 | 2007-01-02 | 2007-10-18 |
| 2008 | 2008-02-23 | 2008-07-25 |
| 2009 | 2009-02-19 | 2009-10-06 |
| 2010 | 2010-04-02 | 2010-11-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 30 | 167 | 2006 | 56 |
| 35 C (95 F): Days | 15 | 15 | 2007 | 1 |
| 90 F (32.2 C): Days | 30 | 50 | 1965 | 19 |
| 100 F (37.8 C): Days | 2 | 2 | 1983 | 2 |
| 0 C (32 F): Frost days (min | 23 | 13 | 1970 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 36 | 1971 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 16 | 1971 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 20 | 3 | 1976 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).