Chapantongo Threshold Days by Year (MXN00013064)
10 fixed thresholds counted per year at Chapantongo (MXN00013064): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chapantongo Thresholds
- Chapantongo: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1973 with 27.
- Chapantongo: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1990 with 10.
- Chapantongo: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1970 with 64.
- Chapantongo: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1965 with 124.
- 10 fixed thresholds have at least one qualifying day at Chapantongo.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1965 | 124 | 72.8 |
| 1966 | 63 | 72.8 |
| 1967 | 69 | 72.8 |
| 1969 | 35 | 72.8 |
| 1970 | 18 | 17.7 |
| 1971 | 40 | 17.7 |
| 1972 | 15 | 17.7 |
| 1973 | 17 | 17.7 |
| 1974 | 8 | 17.7 |
| 1975 | 31 | 17.7 |
| 1976 | 7 | 17.7 |
| 1977 | 16 | 17.7 |
| 1978 | 8 | 17.7 |
| 1979 | 17 | 17.7 |
| 1980 | 21 | 21.1 |
| 1981 | 13 | 21.1 |
| 1982 | 16 | 21.1 |
| 1983 | 47 | 21.1 |
| 1984 | 28 | 21.1 |
| 1985 | 5 | 21.1 |
| 1986 | 18 | 21.1 |
| 1998 | 15 | 15 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1965 | 1965-01-12 | 1965-12-25 |
| 1966 | 1966-01-16 | 1966-12-10 |
| 1967 | 1967-01-25 | 1967-06-28 |
| 1969 | 1969-03-24 | 1969-06-23 |
| 1970 | 1970-03-24 | 1970-05-30 |
| 1971 | 1971-04-22 | 1971-10-02 |
| 1972 | 1972-04-05 | 1972-05-30 |
| 1973 | 1973-04-19 | 1973-06-17 |
| 1974 | 1974-03-22 | 1974-06-06 |
| 1975 | 1975-03-15 | 1975-05-09 |
| 1976 | 1976-03-29 | 1976-06-12 |
| 1977 | 1977-03-05 | 1977-06-12 |
| 1978 | 1978-03-07 | 1978-04-19 |
| 1979 | 1979-04-27 | 1979-05-30 |
| 1980 | 1980-03-07 | 1980-10-18 |
| 1981 | 1981-03-21 | 1981-05-17 |
| 1982 | 1982-03-19 | 1982-06-18 |
| 1983 | 1983-03-05 | 1983-08-20 |
| 1984 | 1984-03-10 | 1984-05-07 |
| 1985 | 1985-03-01 | 1985-05-14 |
| 1986 | 1986-01-03 | 1986-06-06 |
| 1998 | 1998-04-05 | 1998-05-25 |
| 2001 | 2001-09-29 | 2001-09-29 |
| 2002 | 2002-10-18 | 2002-10-18 |
| 2003 | 2003-09-30 | 2003-09-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 124 | 1965 | 1 |
| 35 C (95 F): Days | 6 | 15 | 1965 | 1 |
| 90 F (32.2 C): Days | 11 | 26 | 1965 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1980 | 1 |
| 0 C (32 F): Frost days (min | 43 | 64 | 1970 | 10 |
| 20 C (68 F): Tropical nights (min | 3 | 1 | 1978 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 47 | 27 | 1973 | 17 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 47 | 10 | 1990 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 23 | 4 | 1969 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 2011 | 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 (2025-12-31).