San Salvador El Seco Threshold Days by Year (MXN00021080)
9 fixed thresholds counted per year at San Salvador El Seco (MXN00021080): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Salvador El Seco Thresholds
- San Salvador El Seco: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 2001 with 62.
- San Salvador El Seco: nights with a minimum temperature at or below 0 C (32 F) in 34 years, most in 2009 with 116.
- San Salvador El Seco: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 2001 with 45.
- San Salvador El Seco: days with a maximum temperature at or above 30 C (86 F) in 26 years, most in 1969 with 160.
- 9 fixed thresholds have at least one qualifying day at San Salvador El Seco.
Days at or above 30 C (86 F)
26 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1967 | 147 | 143 |
| 1968 | 122 | 143 |
| 1969 | 160 | 143 |
| 1970 | 127 | 36.4 |
| 1971 | 125 | 36.4 |
| 1972 | 51 | 36.4 |
| 1973 | 5 | 36.4 |
| 1974 | 6 | 36.4 |
| 1975 | 4 | 36.4 |
| 1976 | 2 | 36.4 |
| 1977 | 7 | 36.4 |
| 1979 | 1 | 36.4 |
| 1982 | 6 | 5.5 |
| 1983 | 4 | 5.5 |
| 1986 | 11 | 5.5 |
| 1987 | 1 | 5.5 |
| 1991 | 1 | 1 |
| 2000 | 3 | 5.4 |
| 2001 | 1 | 5.4 |
| 2002 | 13 | 5.4 |
| 2003 | 5 | 5.4 |
| 2005 | 2 | 5.4 |
| 2006 | 1 | 5.4 |
| 2007 | 5 | 5.4 |
| 2008 | 10 | 5.4 |
| 2009 | 9 | 5.4 |
| Year | First date | Last date |
|---|---|---|
| 1967 | 1967-01-01 | 1967-12-29 |
| 1968 | 1968-01-01 | 1968-12-29 |
| 1969 | 1969-01-09 | 1969-12-24 |
| 1970 | 1970-01-11 | 1970-12-30 |
| 1971 | 1971-01-04 | 1971-12-16 |
| 1972 | 1972-01-09 | 1972-04-20 |
| 1973 | 1973-04-21 | 1973-05-27 |
| 1974 | 1974-05-30 | 1974-06-13 |
| 1975 | 1975-03-22 | 1975-04-17 |
| 1976 | 1976-03-12 | 1976-03-20 |
| 1977 | 1977-03-04 | 1977-03-31 |
| 1979 | 1979-05-26 | 1979-05-26 |
| 1982 | 1982-04-02 | 1982-06-04 |
| 1983 | 1983-05-06 | 1983-05-21 |
| 1986 | 1986-05-03 | 1986-06-15 |
| 1987 | 1987-05-19 | 1987-05-19 |
| 1991 | 1991-09-18 | 1991-09-18 |
| 2000 | 2000-12-08 | 2000-12-13 |
| 2001 | 2001-04-04 | 2001-04-04 |
| 2002 | 2002-03-16 | 2002-05-12 |
| 2003 | 2003-05-07 | 2003-05-31 |
| 2005 | 2005-04-05 | 2005-04-12 |
| 2006 | 2006-03-13 | 2006-03-13 |
| 2007 | 2007-03-01 | 2007-06-05 |
| 2008 | 2008-04-07 | 2008-05-14 |
| 2009 | 2009-04-04 | 2009-05-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 26 | 160 | 1969 | 9 |
| 35 C (95 F): Days | 6 | 16 | 1970 | 2 |
| 90 F (32.2 C): Days | 9 | 50 | 1967 | 1 |
| 0 C (32 F): Frost days (min | 34 | 116 | 2009 | 116 |
| -10 C (14 F): Days with min | 7 | 5 | 2005 | 5 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 35 | 62 | 2001 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 45 | 2001 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 30 | 2001 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 19 | 2001 | 19 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1967.
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).