Ameca la Vieja Threshold Days by Year (MXN00032103)
11 fixed thresholds counted per year at Ameca la Vieja (MXN00032103): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ameca la Vieja Thresholds
- Ameca la Vieja: days with 10 mm (0.39 in) or more of precipitation in 22 years, most in 1984 with 26.
- Ameca la Vieja: days with 25 mm (0.98 in) or more of precipitation in 22 years, most in 2000 with 7.
- Ameca la Vieja: days with a maximum temperature at or above 30 C (86 F) in 21 years, most in 2011 with 166.
- Ameca la Vieja: days with a maximum temperature at or above 90 F (32.2 C) in 21 years, most in 2011 with 67.
- 11 fixed thresholds have at least one qualifying day at Ameca la Vieja.
Days at or above 30 C (86 F)
21 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 70 | 79 |
| 1978 | 88 | 79 |
| 1982 | 100 | 67.6 |
| 1983 | 66 | 67.6 |
| 1984 | 56 | 67.6 |
| 1985 | 48 | 67.6 |
| 1988 | 68 | 67.6 |
| 1991 | 130 | 109.3 |
| 1995 | 125 | 109.3 |
| 1996 | 98 | 109.3 |
| 1997 | 100 | 109.3 |
| 1998 | 105 | 109.3 |
| 1999 | 98 | 109.3 |
| 2000 | 98 | 90.4 |
| 2001 | 80 | 90.4 |
| 2006 | 98 | 90.4 |
| 2007 | 73 | 90.4 |
| 2009 | 103 | 90.4 |
| 2010 | 81 | 118 |
| 2011 | 166 | 118 |
| 2012 | 107 | 118 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-03-15 | 1977-10-29 |
| 1978 | 1978-03-30 | 1978-12-12 |
| 1982 | 1982-02-23 | 1982-10-27 |
| 1983 | 1983-04-16 | 1983-10-11 |
| 1984 | 1984-03-14 | 1984-11-15 |
| 1985 | 1985-04-27 | 1985-11-15 |
| 1988 | 1988-02-27 | 1988-11-07 |
| 1991 | 1991-02-12 | 1991-11-05 |
| 1995 | 1995-03-21 | 1995-12-08 |
| 1996 | 1996-02-20 | 1996-11-07 |
| 1997 | 1997-03-17 | 1997-11-03 |
| 1998 | 1998-02-23 | 1998-10-29 |
| 1999 | 1999-02-09 | 1999-11-01 |
| 2000 | 2000-01-25 | 2000-10-05 |
| 2001 | 2001-02-18 | 2001-10-20 |
| 2006 | 2006-02-17 | 2006-10-21 |
| 2007 | 2007-03-16 | 2007-10-18 |
| 2009 | 2009-02-23 | 2009-10-16 |
| 2010 | 2010-04-05 | 2010-11-02 |
| 2011 | 2011-02-15 | 2011-11-01 |
| 2012 | 2012-03-03 | 2012-10-29 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 21 | 166 | 2011 | 107 |
| 35 C (95 F): Days | 19 | 55 | 1991 | 15 |
| 40 C (104 F): Days | 1 | 1 | 1988 | 1 |
| 90 F (32.2 C): Days | 21 | 67 | 2011 | 41 |
| 100 F (37.8 C): Days | 3 | 17 | 1991 | 1 |
| 0 C (32 F): Frost days (min | 21 | 62 | 2010 | 9 |
| -10 C (14 F): Days with min | 1 | 1 | 1997 | 1 |
| 20 C (68 F): Tropical nights (min | 4 | 5 | 1991 | 4 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 22 | 26 | 1984 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 22 | 7 | 2000 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 1 | 1984 | 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).