San Mateo Etlatongo Threshold Days by Year (MXN00020265)
10 fixed thresholds counted per year at San Mateo Etlatongo (MXN00020265): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Mateo Etlatongo Thresholds
- San Mateo Etlatongo: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1981 with 31.
- San Mateo Etlatongo: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 2000 with 16.
- San Mateo Etlatongo: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 2006 with 134.
- San Mateo Etlatongo: nights with a minimum temperature at or below 0 C (32 F) in 18 years, most in 1976 with 26.
- 10 fixed thresholds have at least one qualifying day at San Mateo Etlatongo.
Days at or above 30 C (86 F)
21 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 3 | 3.5 |
| 1978 | 4 | 3.5 |
| 1980 | 1 | 8.4 |
| 1982 | 1 | 8.4 |
| 1983 | 19 | 8.4 |
| 1984 | 20 | 8.4 |
| 1986 | 4 | 8.4 |
| 1987 | 4 | 8.4 |
| 1989 | 10 | 8.4 |
| 1990 | 3 | 2.3 |
| 1991 | 3 | 2.3 |
| 1992 | 1 | 2.3 |
| 2000 | 34 | 75.1 |
| 2001 | 47 | 75.1 |
| 2002 | 52 | 75.1 |
| 2004 | 38 | 75.1 |
| 2005 | 110 | 75.1 |
| 2006 | 134 | 75.1 |
| 2008 | 97 | 75.1 |
| 2009 | 89 | 75.1 |
| 2010 | 61 | 61 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-03-19 | 1977-04-03 |
| 1978 | 1978-04-17 | 1978-04-22 |
| 1980 | 1980-04-04 | 1980-04-04 |
| 1982 | 1982-04-02 | 1982-04-02 |
| 1983 | 1983-05-06 | 1983-06-12 |
| 1984 | 1984-04-04 | 1984-05-04 |
| 1986 | 1986-04-02 | 1986-04-13 |
| 1987 | 1987-03-26 | 1987-05-28 |
| 1989 | 1989-05-18 | 1989-12-28 |
| 1990 | 1990-05-23 | 1990-05-30 |
| 1991 | 1991-04-14 | 1991-04-23 |
| 1992 | 1992-04-09 | 1992-04-09 |
| 2000 | 2000-02-25 | 2000-11-11 |
| 2001 | 2001-01-29 | 2001-05-20 |
| 2002 | 2002-02-09 | 2002-10-04 |
| 2004 | 2004-02-23 | 2004-11-30 |
| 2005 | 2005-02-07 | 2005-11-30 |
| 2006 | 2006-01-03 | 2006-11-12 |
| 2008 | 2008-02-01 | 2008-07-11 |
| 2009 | 2009-02-17 | 2009-12-04 |
| 2010 | 2010-01-23 | 2010-10-27 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 21 | 134 | 2006 | 61 |
| 35 C (95 F): Days | 5 | 2 | 2002 | 1 |
| 90 F (32.2 C): Days | 10 | 16 | 2008 | 15 |
| 100 F (37.8 C): Days | 1 | 1 | 2005 | 1 |
| 0 C (32 F): Frost days (min | 18 | 26 | 1976 | 4 |
| 20 C (68 F): Tropical nights (min | 1 | 10 | 2000 | 10 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 24 | 31 | 1981 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 24 | 16 | 2000 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 5 | 2000 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 2001 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.
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).