Santa Maria Chilapa de Diaz Threshold Days by Year (MXN00020028)
13 fixed thresholds counted per year at Santa Maria Chilapa de Diaz (MXN00020028): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Santa Maria Chilapa de Diaz Thresholds
- Santa Maria Chilapa de Diaz: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1981 with 35.
- Santa Maria Chilapa de Diaz: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 1983 with 10.
- Santa Maria Chilapa de Diaz: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1997 with 315.
- Santa Maria Chilapa de Diaz: days with a maximum temperature at or above 90 F (32.2 C) in 20 years, most in 1997 with 191.
- 13 fixed thresholds have at least one qualifying day at Santa Maria Chilapa de Diaz.
Days at or above 30 C (86 F)
20 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1972 | 31 | 56.3 |
| 1973 | 83 | 56.3 |
| 1974 | 45 | 56.3 |
| 1975 | 65 | 56.3 |
| 1976 | 54 | 56.3 |
| 1977 | 70 | 56.3 |
| 1978 | 47 | 56.3 |
| 1979 | 55 | 56.3 |
| 1980 | 47 | 54.4 |
| 1981 | 74 | 54.4 |
| 1982 | 76 | 54.4 |
| 1983 | 55 | 54.4 |
| 1984 | 44 | 54.4 |
| 1985 | 27 | 54.4 |
| 1986 | 56 | 54.4 |
| 1987 | 56 | 54.4 |
| 1997 | 315 | 266.7 |
| 1998 | 264 | 266.7 |
| 1999 | 221 | 266.7 |
| 2000 | 221 | 221 |
| Year | First date | Last date |
|---|---|---|
| 1972 | 1972-02-26 | 1972-12-04 |
| 1973 | 1973-01-27 | 1973-06-12 |
| 1974 | 1974-02-15 | 1974-06-05 |
| 1975 | 1975-03-01 | 1975-08-07 |
| 1976 | 1976-02-21 | 1976-06-18 |
| 1977 | 1977-01-05 | 1977-11-20 |
| 1978 | 1978-03-05 | 1978-12-31 |
| 1979 | 1979-02-24 | 1979-07-02 |
| 1980 | 1980-03-01 | 1980-04-30 |
| 1981 | 1981-05-05 | 1981-11-04 |
| 1982 | 1982-02-12 | 1982-06-20 |
| 1983 | 1983-04-07 | 1983-06-15 |
| 1984 | 1984-03-12 | 1984-05-23 |
| 1985 | 1985-03-04 | 1985-06-03 |
| 1986 | 1986-03-04 | 1986-11-22 |
| 1987 | 1987-02-23 | 1987-12-23 |
| 1997 | 1997-01-02 | 1997-12-31 |
| 1998 | 1998-01-02 | 1998-12-25 |
| 1999 | 1999-01-02 | 1999-10-18 |
| 2000 | 2000-01-28 | 2000-11-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 20 | 315 | 1997 | 221 |
| 35 C (95 F): Days | 11 | 138 | 1998 | 42 |
| 40 C (104 F): Days | 3 | 43 | 1998 | 1 |
| 45 C (113 F): Days | 1 | 3 | 1998 | 3 |
| 90 F (32.2 C): Days | 20 | 191 | 1997 | 98 |
| 100 F (37.8 C): Days | 4 | 77 | 1998 | 4 |
| 110 F (43.3 C): Days | 1 | 4 | 1998 | 4 |
| 0 C (32 F): Frost days (min | 2 | 2 | 1976 | 2 |
| 20 C (68 F): Tropical nights (min | 1 | 33 | 1981 | 33 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 22 | 35 | 1981 | 13 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 10 | 1983 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 3 | 1999 | 3 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1999 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.
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).