Santa Maria Alotepec Threshold Days by Year (MXN00020001)
10 fixed thresholds counted per year at Santa Maria Alotepec (MXN00020001): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Santa Maria Alotepec Thresholds
- Santa Maria Alotepec: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1978 with 110.
- Santa Maria Alotepec: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1978 with 71.
- Santa Maria Alotepec: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1978 with 30.
- Santa Maria Alotepec: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 1982 with 122.
- 10 fixed thresholds have at least one qualifying day at Santa Maria Alotepec.
Days at or above 30 C (86 F)
23 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1953 | 14 | 5.8 |
| 1954 | 3 | 5.8 |
| 1955 | 5 | 5.8 |
| 1957 | 3 | 5.8 |
| 1958 | 4 | 5.8 |
| 1960 | 5 | 4.3 |
| 1961 | 2 | 4.3 |
| 1962 | 13 | 4.3 |
| 1963 | 1 | 4.3 |
| 1965 | 4 | 4.3 |
| 1968 | 1 | 4.3 |
| 1970 | 10 | 6.5 |
| 1971 | 17 | 6.5 |
| 1972 | 5 | 6.5 |
| 1973 | 4 | 6.5 |
| 1974 | 6 | 6.5 |
| 1975 | 11 | 6.5 |
| 1976 | 3 | 6.5 |
| 1977 | 3 | 6.5 |
| 1978 | 5 | 6.5 |
| 1979 | 1 | 6.5 |
| 1980 | 7 | 64.5 |
| 1982 | 122 | 64.5 |
| Year | First date | Last date |
|---|---|---|
| 1953 | 1953-04-06 | 1953-05-18 |
| 1954 | 1954-03-31 | 1954-06-15 |
| 1955 | 1955-04-24 | 1955-05-28 |
| 1957 | 1957-03-23 | 1957-05-21 |
| 1958 | 1958-04-05 | 1958-05-09 |
| 1960 | 1960-04-13 | 1960-06-10 |
| 1961 | 1961-03-20 | 1961-04-15 |
| 1962 | 1962-02-27 | 1962-05-20 |
| 1963 | 1963-04-30 | 1963-04-30 |
| 1965 | 1965-04-02 | 1965-05-31 |
| 1968 | 1968-05-21 | 1968-05-21 |
| 1970 | 1970-04-01 | 1970-06-15 |
| 1971 | 1971-01-27 | 1971-06-07 |
| 1972 | 1972-03-29 | 1972-04-12 |
| 1973 | 1973-04-26 | 1973-07-12 |
| 1974 | 1974-04-29 | 1974-06-08 |
| 1975 | 1975-03-28 | 1975-05-09 |
| 1976 | 1976-05-23 | 1976-05-30 |
| 1977 | 1977-04-02 | 1977-04-06 |
| 1978 | 1978-05-05 | 1978-05-09 |
| 1979 | 1979-05-09 | 1979-05-09 |
| 1980 | 1980-04-28 | 1980-05-10 |
| 1982 | 1982-02-03 | 1982-11-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 23 | 122 | 1982 | 122 |
| 35 C (95 F): Days | 2 | 11 | 1982 | 11 |
| 90 F (32.2 C): Days | 7 | 44 | 1982 | 44 |
| 100 F (37.8 C): Days | 1 | 1 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 21 | 17 | 1953 | 10 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 28 | 110 | 1978 | 27 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 28 | 71 | 1978 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 30 | 1978 | 20 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 18 | 6 | 1978 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1962 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.
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).