Atengo (Smn) Threshold Days by Year (MXN00014014)
11 fixed thresholds counted per year at Atengo (Smn) (MXN00014014): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Atengo (Smn) Thresholds
- Atengo (Smn): days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1949 with 50.
- Atengo (Smn): days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1976 with 19.
- Atengo (Smn): days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 1967 with 365.
- Atengo (Smn): days with a maximum temperature at or above 90 F (32.2 C) in 27 years, most in 1972 with 345.
- 11 fixed thresholds have at least one qualifying day at Atengo (Smn).
Days at or above 30 C (86 F)
30 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1946 | 57 | 45.5 |
| 1947 | 34 | 45.5 |
| 1954 | 11 | 170.7 |
| 1955 | 249 | 170.7 |
| 1956 | 342 | 170.7 |
| 1957 | 225 | 170.7 |
| 1958 | 144 | 170.7 |
| 1959 | 53 | 170.7 |
| 1960 | 36 | 165.5 |
| 1961 | 6 | 165.5 |
| 1962 | 46 | 165.5 |
| 1963 | 150 | 165.5 |
| 1964 | 179 | 165.5 |
| 1965 | 185 | 165.5 |
| 1966 | 257 | 165.5 |
| 1967 | 365 | 165.5 |
| 1968 | 236 | 165.5 |
| 1969 | 195 | 165.5 |
| 1970 | 220 | 239 |
| 1971 | 301 | 239 |
| 1972 | 360 | 239 |
| 1974 | 174 | 239 |
| 1975 | 211 | 239 |
| 1976 | 204 | 239 |
| 1978 | 188 | 239 |
| 1979 | 254 | 239 |
| 1980 | 220 | 229.3 |
| 1981 | 214 | 229.3 |
| 1982 | 216 | 229.3 |
| 1983 | 267 | 229.3 |
| Year | First date | Last date |
|---|---|---|
| 1946 | 1946-03-21 | 1946-06-07 |
| 1947 | 1947-04-02 | 1947-06-01 |
| 1954 | 1954-05-26 | 1954-11-18 |
| 1955 | 1955-04-17 | 1955-12-31 |
| 1956 | 1956-01-01 | 1956-12-31 |
| 1957 | 1957-01-01 | 1957-12-20 |
| 1958 | 1958-03-17 | 1958-09-16 |
| 1959 | 1959-04-24 | 1959-07-13 |
| 1960 | 1960-05-17 | 1960-07-12 |
| 1961 | 1961-05-14 | 1961-06-01 |
| 1962 | 1962-05-18 | 1962-07-12 |
| 1963 | 1963-05-18 | 1963-12-22 |
| 1964 | 1964-01-01 | 1964-12-02 |
| 1965 | 1965-03-17 | 1965-12-17 |
| 1966 | 1966-04-19 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-01 | 1968-11-05 |
| 1969 | 1969-03-10 | 1969-10-09 |
| 1970 | 1970-02-10 | 1970-12-30 |
| 1971 | 1971-01-01 | 1971-12-31 |
| 1972 | 1972-01-02 | 1972-12-31 |
| 1974 | 1974-01-07 | 1974-12-21 |
| 1975 | 1975-01-26 | 1975-12-18 |
| 1976 | 1976-02-06 | 1976-11-14 |
| 1978 | 1978-01-01 | 1978-12-28 |
| 1979 | 1979-01-01 | 1979-12-29 |
| 1980 | 1980-01-06 | 1980-12-18 |
| 1981 | 1981-01-31 | 1981-12-21 |
| 1982 | 1982-01-30 | 1982-10-31 |
| 1983 | 1983-01-29 | 1983-12-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 30 | 365 | 1967 | 267 |
| 35 C (95 F): Days | 21 | 324 | 1972 | 55 |
| 40 C (104 F): Days | 3 | 37 | 1971 | 27 |
| 90 F (32.2 C): Days | 27 | 345 | 1972 | 99 |
| 100 F (37.8 C): Days | 14 | 115 | 1972 | 22 |
| 110 F (43.3 C): Days | 1 | 4 | 1972 | 4 |
| 0 C (32 F): Frost days (min | 4 | 8 | 1983 | 8 |
| 20 C (68 F): Tropical nights (min | 7 | 43 | 1947 | 6 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 50 | 1949 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 19 | 1976 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 5 | 1976 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1946.
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).