San Antonio Calpulalapan Threshold Days by Year (MXN00029019)
10 fixed thresholds counted per year at San Antonio Calpulalapan (MXN00029019): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Antonio Calpulalapan Thresholds
- San Antonio Calpulalapan: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1984 with 29.
- San Antonio Calpulalapan: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1976 with 6.
- San Antonio Calpulalapan: nights with a minimum temperature at or below 0 C (32 F) in 17 years, most in 2005 with 239.
- San Antonio Calpulalapan: days with a maximum temperature at or above 30 C (86 F) in 16 years, most in 2005 with 278.
- 10 fixed thresholds have at least one qualifying day at San Antonio Calpulalapan.
Days at or above 30 C (86 F)
16 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1975 | 1 | 6.3 |
| 1977 | 5 | 6.3 |
| 1978 | 11 | 6.3 |
| 1979 | 8 | 6.3 |
| 1980 | 7 | 28.9 |
| 1981 | 3 | 28.9 |
| 1982 | 14 | 28.9 |
| 1983 | 181 | 28.9 |
| 1984 | 12 | 28.9 |
| 1985 | 3 | 28.9 |
| 1986 | 10 | 28.9 |
| 1987 | 1 | 28.9 |
| 1997 | 6 | 29.3 |
| 1998 | 69 | 29.3 |
| 1999 | 13 | 29.3 |
| 2005 | 278 | 278 |
| Year | First date | Last date |
|---|---|---|
| 1975 | 1975-04-18 | 1975-04-18 |
| 1977 | 1977-03-18 | 1977-03-31 |
| 1978 | 1978-04-17 | 1978-05-12 |
| 1979 | 1979-01-24 | 1979-06-19 |
| 1980 | 1980-03-09 | 1980-06-02 |
| 1981 | 1981-03-31 | 1981-05-13 |
| 1982 | 1982-03-13 | 1982-06-08 |
| 1983 | 1983-02-21 | 1983-11-30 |
| 1984 | 1984-04-08 | 1984-05-03 |
| 1985 | 1985-05-13 | 1985-05-15 |
| 1986 | 1986-04-04 | 1986-05-16 |
| 1987 | 1987-03-25 | 1987-03-25 |
| 1997 | 1997-03-02 | 1997-06-15 |
| 1998 | 1998-03-26 | 1998-06-24 |
| 1999 | 1999-04-02 | 1999-06-28 |
| 2005 | 2005-01-01 | 2005-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 16 | 278 | 2005 | 278 |
| 35 C (95 F): Days | 3 | 71 | 2005 | 71 |
| 40 C (104 F): Days | 2 | 1 | 1983 | 1 |
| 90 F (32.2 C): Days | 4 | 182 | 2005 | 182 |
| 100 F (37.8 C): Days | 2 | 12 | 1983 | 9 |
| 0 C (32 F): Frost days (min | 17 | 239 | 2005 | 239 |
| -10 C (14 F): Days with min | 2 | 9 | 1999 | 9 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 23 | 29 | 1984 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 23 | 6 | 1976 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 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 1975.
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).