El Rosario Threshold Days by Year (MXN00016159)
8 fixed thresholds counted per year at El Rosario (MXN00016159): 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 37 years, most in 1973 with 111.
- El Rosario: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 1991 with 76.
- El Rosario: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1973 with 43.
- El Rosario: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1992 with 15.
- 8 fixed thresholds have at least one qualifying day at El Rosario.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1973 | 111 | 87.4 |
| 1974 | 84 | 87.4 |
| 1975 | 86 | 87.4 |
| 1976 | 89 | 87.4 |
| 1977 | 69 | 87.4 |
| 1978 | 75 | 87.4 |
| 1979 | 98 | 87.4 |
| 1980 | 84 | 81.9 |
| 1981 | 81 | 81.9 |
| 1982 | 106 | 81.9 |
| 1983 | 82 | 81.9 |
| 1984 | 70 | 81.9 |
| 1985 | 68 | 81.9 |
| 1986 | 72 | 81.9 |
| 1987 | 80 | 81.9 |
| 1988 | 101 | 81.9 |
| 1989 | 75 | 81.9 |
| 1990 | 92 | 85.1 |
| 1991 | 103 | 85.1 |
| 1992 | 91 | 85.1 |
| 1993 | 64 | 85.1 |
| 1994 | 80 | 85.1 |
| 1995 | 89 | 85.1 |
| 1996 | 92 | 85.1 |
| 1997 | 53 | 85.1 |
| 1998 | 106 | 85.1 |
| 1999 | 81 | 85.1 |
| 2000 | 76 | 66.8 |
| 2001 | 59 | 66.8 |
| 2002 | 65 | 66.8 |
| 2005 | 85 | 66.8 |
| 2006 | 60 | 66.8 |
| 2007 | 57 | 66.8 |
| 2008 | 67 | 66.8 |
| 2009 | 65 | 66.8 |
| 2010 | 73 | 80.5 |
| 2011 | 88 | 80.5 |
| Year | First date | Last date |
|---|---|---|
| 1973 | 1973-02-03 | 1973-07-01 |
| 1974 | 1974-03-03 | 1974-11-05 |
| 1975 | 1975-03-02 | 1975-10-27 |
| 1976 | 1976-03-03 | 1976-07-01 |
| 1977 | 1977-03-05 | 1977-06-14 |
| 1978 | 1978-02-27 | 1978-06-16 |
| 1979 | 1979-03-14 | 1979-10-22 |
| 1980 | 1980-02-20 | 1980-07-25 |
| 1981 | 1981-03-19 | 1981-09-25 |
| 1982 | 1982-02-12 | 1982-06-29 |
| 1983 | 1983-03-12 | 1983-06-28 |
| 1984 | 1984-03-15 | 1984-10-18 |
| 1985 | 1985-03-02 | 1985-06-16 |
| 1986 | 1986-03-18 | 1986-11-20 |
| 1987 | 1987-03-19 | 1987-06-30 |
| 1988 | 1988-02-19 | 1988-11-14 |
| 1989 | 1989-04-10 | 1989-11-07 |
| 1990 | 1990-03-07 | 1990-06-19 |
| 1991 | 1991-03-08 | 1991-09-20 |
| 1992 | 1992-03-12 | 1992-07-14 |
| 1993 | 1993-04-01 | 1993-06-30 |
| 1994 | 1994-03-06 | 1994-10-25 |
| 1995 | 1995-02-14 | 1995-06-14 |
| 1996 | 1996-02-21 | 1996-11-06 |
| 1997 | 1997-05-01 | 1997-10-31 |
| 1998 | 1998-02-24 | 1998-06-30 |
| 1999 | 1999-02-09 | 1999-06-18 |
| 2000 | 2000-02-15 | 2000-11-12 |
| 2001 | 2001-02-16 | 2001-06-08 |
| 2002 | 2002-03-13 | 2002-10-01 |
| 2005 | 2005-03-13 | 2005-06-25 |
| 2006 | 2006-03-18 | 2006-06-18 |
| 2007 | 2007-03-02 | 2007-06-13 |
| 2008 | 2008-02-16 | 2008-06-28 |
| 2009 | 2009-03-01 | 2009-06-28 |
| 2010 | 2010-03-24 | 2010-10-27 |
| 2011 | 2011-03-05 | 2011-10-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 111 | 1973 | 88 |
| 35 C (95 F): Days | 33 | 21 | 1998 | 7 |
| 90 F (32.2 C): Days | 37 | 76 | 1991 | 45 |
| 100 F (37.8 C): Days | 3 | 1 | 1983 | 1 |
| 0 C (32 F): Frost days (min | 10 | 5 | 2006 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 37 | 43 | 1973 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 15 | 1992 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 4 | 1992 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.
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).