Ayutla Threshold Days by Year (MXN00020007)
9 fixed thresholds counted per year at Ayutla (MXN00020007): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ayutla Thresholds
- Ayutla: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1969 with 62.
- Ayutla: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1984 with 24.
- Ayutla: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1969 with 8.
- Ayutla: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 1970 with 42.
- 9 fixed thresholds have at least one qualifying day at Ayutla.
Days at or above 30 C (86 F)
21 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 8 | 19.8 |
| 1962 | 5 | 19.8 |
| 1963 | 14 | 19.8 |
| 1964 | 34 | 19.8 |
| 1965 | 29 | 19.8 |
| 1966 | 14 | 19.8 |
| 1967 | 15 | 19.8 |
| 1968 | 20 | 19.8 |
| 1969 | 39 | 19.8 |
| 1970 | 42 | 18.4 |
| 1973 | 21 | 18.4 |
| 1974 | 11 | 18.4 |
| 1978 | 14 | 18.4 |
| 1979 | 4 | 18.4 |
| 1980 | 1 | 9 |
| 1981 | 5 | 9 |
| 1982 | 2 | 9 |
| 1983 | 10 | 9 |
| 1984 | 27 | 9 |
| 1996 | 1 | 1 |
| 2008 | 1 | 1 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-03-31 | 1961-05-15 |
| 1962 | 1962-03-11 | 1962-06-17 |
| 1963 | 1963-03-05 | 1963-06-11 |
| 1964 | 1964-03-09 | 1964-05-11 |
| 1965 | 1965-03-11 | 1965-06-14 |
| 1966 | 1966-04-12 | 1966-05-18 |
| 1967 | 1967-03-31 | 1967-06-01 |
| 1968 | 1968-03-11 | 1968-05-11 |
| 1969 | 1969-03-06 | 1969-06-23 |
| 1970 | 1970-03-11 | 1970-10-12 |
| 1973 | 1973-03-07 | 1973-05-26 |
| 1974 | 1974-04-12 | 1974-06-05 |
| 1978 | 1978-03-01 | 1978-05-08 |
| 1979 | 1979-05-09 | 1979-05-21 |
| 1980 | 1980-04-03 | 1980-04-03 |
| 1981 | 1981-01-29 | 1981-05-13 |
| 1982 | 1982-03-27 | 1982-04-03 |
| 1983 | 1983-03-19 | 1983-05-20 |
| 1984 | 1984-02-04 | 1984-10-21 |
| 1996 | 1996-02-15 | 1996-02-15 |
| 2008 | 2008-03-28 | 2008-03-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 21 | 42 | 1970 | 1 |
| 35 C (95 F): Days | 3 | 6 | 1969 | 1 |
| 90 F (32.2 C): Days | 10 | 11 | 1969 | 1 |
| 0 C (32 F): Frost days (min | 11 | 11 | 2010 | 11 |
| 20 C (68 F): Tropical nights (min | 3 | 3 | 1973 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 36 | 62 | 1969 | 50 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 24 | 1984 | 22 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 8 | 1969 | 5 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1974 | 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).