El Rosario Threshold Days by Year (MXN00002022)
15 fixed thresholds counted per year at El Rosario (MXN00002022): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for El Rosario Thresholds
- El Rosario: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 2000 with 217.
- El Rosario: days with a maximum temperature at or above 90 F (32.2 C) in 40 years, most in 1974 with 130.
- El Rosario: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1978 with 21.
- El Rosario: days with a maximum temperature at or above 35 C (95 F) in 38 years, most in 1974 with 93.
- 15 fixed thresholds have at least one qualifying day at El Rosario.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1954 | 68 | 32.8 |
| 1955 | 36 | 32.8 |
| 1956 | 14 | 32.8 |
| 1957 | 27 | 32.8 |
| 1958 | 24 | 32.8 |
| 1959 | 28 | 32.8 |
| 1962 | 5 | 13.2 |
| 1963 | 41 | 13.2 |
| 1965 | 13 | 13.2 |
| 1966 | 2 | 13.2 |
| 1968 | 10 | 13.2 |
| 1969 | 8 | 13.2 |
| 1970 | 81 | 95.3 |
| 1971 | 49 | 95.3 |
| 1972 | 74 | 95.3 |
| 1973 | 49 | 95.3 |
| 1974 | 216 | 95.3 |
| 1975 | 102 | 95.3 |
| 1976 | 179 | 95.3 |
| 1977 | 153 | 95.3 |
| 1978 | 19 | 95.3 |
| 1979 | 31 | 95.3 |
| 1980 | 44 | 41.6 |
| 1981 | 58 | 41.6 |
| 1982 | 47 | 41.6 |
| 1983 | 54 | 41.6 |
| 1984 | 28 | 41.6 |
| 1985 | 28 | 41.6 |
| 1986 | 11 | 41.6 |
| 1988 | 17 | 41.6 |
| 1989 | 87 | 41.6 |
| 2000 | 217 | 143.9 |
| 2001 | 214 | 143.9 |
| 2002 | 173 | 143.9 |
| 2003 | 97 | 143.9 |
| 2004 | 163 | 143.9 |
| 2006 | 142 | 143.9 |
| 2007 | 127 | 143.9 |
| 2008 | 90 | 143.9 |
| 2009 | 72 | 143.9 |
| 2010 | 114 | 107 |
| 2011 | 100 | 107 |
| Year | First date | Last date |
|---|---|---|
| 1954 | 1954-02-24 | 1954-11-21 |
| 1955 | 1955-03-07 | 1955-11-08 |
| 1956 | 1956-05-14 | 1956-10-21 |
| 1957 | 1957-06-30 | 1957-12-10 |
| 1958 | 1958-04-15 | 1958-12-29 |
| 1959 | 1959-02-16 | 1959-11-10 |
| 1962 | 1962-01-29 | 1962-10-13 |
| 1963 | 1963-02-03 | 1963-11-11 |
| 1965 | 1965-01-18 | 1965-10-22 |
| 1966 | 1966-08-18 | 1966-09-19 |
| 1968 | 1968-05-12 | 1968-09-24 |
| 1969 | 1969-07-12 | 1969-11-13 |
| 1970 | 1970-02-06 | 1970-12-10 |
| 1971 | 1971-01-25 | 1971-10-07 |
| 1972 | 1972-05-29 | 1972-12-26 |
| 1973 | 1973-04-09 | 1973-12-20 |
| 1974 | 1974-02-24 | 1974-12-03 |
| 1975 | 1975-01-14 | 1975-12-05 |
| 1976 | 1976-01-17 | 1976-12-29 |
| 1977 | 1977-01-17 | 1977-12-26 |
| 1978 | 1978-01-16 | 1978-10-15 |
| 1979 | 1979-03-09 | 1979-10-02 |
| 1980 | 1980-04-08 | 1980-11-03 |
| 1981 | 1981-02-14 | 1981-12-09 |
| 1982 | 1982-03-10 | 1982-11-04 |
| 1983 | 1983-01-12 | 1983-10-20 |
| 1984 | 1984-04-22 | 1984-09-16 |
| 1985 | 1985-02-15 | 1985-11-03 |
| 1986 | 1986-03-23 | 1986-09-22 |
| 1988 | 1988-01-17 | 1988-12-21 |
| 1989 | 1989-01-17 | 1989-10-31 |
| 2000 | 2000-01-03 | 2000-12-31 |
| 2001 | 2001-01-08 | 2001-12-26 |
| 2002 | 2002-01-06 | 2002-12-30 |
| 2003 | 2003-01-04 | 2003-11-20 |
| 2004 | 2004-01-06 | 2004-12-27 |
| 2006 | 2006-01-02 | 2006-10-25 |
| 2007 | 2007-02-09 | 2007-11-11 |
| 2008 | 2008-03-01 | 2008-11-22 |
| 2009 | 2009-01-06 | 2009-11-11 |
| 2010 | 2010-02-21 | 2010-10-31 |
| 2011 | 2011-01-06 | 2011-11-17 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 217 | 2000 | 100 |
| 35 C (95 F): Days | 38 | 93 | 1974 | 5 |
| 40 C (104 F): Days | 17 | 17 | 2000 | 1 |
| 45 C (113 F): Days | 5 | 3 | 2006 | 3 |
| 50 C (122 F): Days | 1 | 1 | 2006 | 1 |
| 90 F (32.2 C): Days | 40 | 130 | 1974 | 18 |
| 100 F (37.8 C): Days | 27 | 44 | 2000 | 1 |
| 110 F (43.3 C): Days | 6 | 3 | 2006 | 3 |
| 120 F (48.9 C): Days | 1 | 1 | 2006 | 1 |
| 0 C (32 F): Frost days (min | 20 | 29 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 32 | 107 | 1976 | 1 |
| 25 C (77 F): Days with min | 6 | 5 | 1977 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 40 | 21 | 1978 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 27 | 6 | 1978 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 3 | 1978 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1954.
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).