Zapotitlan de Mendez Threshold Days by Year (MXN00021108)
12 fixed thresholds counted per year at Zapotitlan de Mendez (MXN00021108): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zapotitlan de Mendez Thresholds
- Zapotitlan de Mendez: days with a maximum temperature at or above 30 C (86 F) in 35 years, most in 1949 with 175.
- Zapotitlan de Mendez: days with a maximum temperature at or above 90 F (32.2 C) in 35 years, most in 1981 with 80.
- Zapotitlan de Mendez: nights with a minimum temperature at or above 20 C (68 F) in 35 years, most in 1980 with 197.
- Zapotitlan de Mendez: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1968 with 83.
- 12 fixed thresholds have at least one qualifying day at Zapotitlan de Mendez.
Days at or above 30 C (86 F)
35 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1945 | 156 | 149.2 |
| 1946 | 122 | 149.2 |
| 1947 | 142 | 149.2 |
| 1948 | 151 | 149.2 |
| 1949 | 175 | 149.2 |
| 1950 | 134 | 126.3 |
| 1951 | 88 | 126.3 |
| 1952 | 157 | 126.3 |
| 1961 | 51 | 56.8 |
| 1962 | 74 | 56.8 |
| 1963 | 60 | 56.8 |
| 1964 | 64 | 56.8 |
| 1965 | 52 | 56.8 |
| 1966 | 46 | 56.8 |
| 1967 | 56 | 56.8 |
| 1968 | 53 | 56.8 |
| 1969 | 55 | 56.8 |
| 1970 | 53 | 54.8 |
| 1971 | 97 | 54.8 |
| 1972 | 61 | 54.8 |
| 1973 | 71 | 54.8 |
| 1974 | 51 | 54.8 |
| 1975 | 45 | 54.8 |
| 1976 | 21 | 54.8 |
| 1977 | 70 | 54.8 |
| 1978 | 42 | 54.8 |
| 1979 | 37 | 54.8 |
| 1980 | 105 | 127.9 |
| 1981 | 151 | 127.9 |
| 1982 | 119 | 127.9 |
| 1983 | 97 | 127.9 |
| 1985 | 105 | 127.9 |
| 1986 | 154 | 127.9 |
| 1988 | 128 | 127.9 |
| 1989 | 164 | 127.9 |
| Year | First date | Last date |
|---|---|---|
| 1945 | 1945-01-04 | 1945-10-10 |
| 1946 | 1946-02-04 | 1946-09-30 |
| 1947 | 1947-01-29 | 1947-11-21 |
| 1948 | 1948-02-06 | 1948-11-27 |
| 1949 | 1949-02-09 | 1949-11-29 |
| 1950 | 1950-01-25 | 1950-09-27 |
| 1951 | 1951-02-20 | 1951-12-20 |
| 1952 | 1952-02-04 | 1952-11-25 |
| 1961 | 1961-03-06 | 1961-12-12 |
| 1962 | 1962-02-09 | 1962-10-21 |
| 1963 | 1963-02-02 | 1963-11-08 |
| 1964 | 1964-01-24 | 1964-11-19 |
| 1965 | 1965-03-11 | 1965-09-30 |
| 1966 | 1966-03-03 | 1966-12-09 |
| 1967 | 1967-01-30 | 1967-12-21 |
| 1968 | 1968-03-09 | 1968-12-22 |
| 1969 | 1969-01-09 | 1969-11-12 |
| 1970 | 1970-01-18 | 1970-12-29 |
| 1971 | 1971-01-02 | 1971-12-08 |
| 1972 | 1972-01-13 | 1972-12-07 |
| 1973 | 1973-03-05 | 1973-11-27 |
| 1974 | 1974-02-03 | 1974-06-14 |
| 1975 | 1975-03-10 | 1975-06-16 |
| 1976 | 1976-05-15 | 1976-09-28 |
| 1977 | 1977-02-22 | 1977-10-11 |
| 1978 | 1978-02-28 | 1978-08-29 |
| 1979 | 1979-04-02 | 1979-10-22 |
| 1980 | 1980-03-12 | 1980-10-28 |
| 1981 | 1981-02-10 | 1981-11-08 |
| 1982 | 1982-03-13 | 1982-10-30 |
| 1983 | 1983-03-04 | 1983-10-09 |
| 1985 | 1985-03-28 | 1985-11-01 |
| 1986 | 1986-03-11 | 1986-12-18 |
| 1988 | 1988-02-18 | 1988-11-27 |
| 1989 | 1989-01-07 | 1989-11-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 35 | 175 | 1949 | 164 |
| 35 C (95 F): Days | 23 | 38 | 1948 | 9 |
| 40 C (104 F): Days | 1 | 1 | 1948 | 1 |
| 90 F (32.2 C): Days | 35 | 80 | 1981 | 56 |
| 100 F (37.8 C): Days | 1 | 7 | 1948 | 7 |
| 20 C (68 F): Tropical nights (min | 35 | 197 | 1980 | 135 |
| 25 C (77 F): Days with min | 6 | 7 | 1980 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 83 | 1968 | 39 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 35 | 39 | 1972 | 24 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 16 | 1969 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 20 | 5 | 1945 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1945 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.
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).