San Antonio Las Alazanas (Smn Threshold Days by Year (MXN00005049)
12 fixed thresholds counted per year at San Antonio Las Alazanas (Smn (MXN00005049): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Antonio Las Alazanas (Smn Thresholds
- San Antonio Las Alazanas (Smn: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 2006 with 31.
- San Antonio Las Alazanas (Smn: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 2003 with 10.
- San Antonio Las Alazanas (Smn: nights with a minimum temperature at or below 0 C (32 F) in 26 years, most in 1996 with 78.
- San Antonio Las Alazanas (Smn: days with a maximum temperature at or above 30 C (86 F) in 25 years, most in 1977 with 127.
- 12 fixed thresholds have at least one qualifying day at San Antonio Las Alazanas (Smn.
Days at or above 30 C (86 F)
25 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1967 | 1 | 6.5 |
| 1969 | 12 | 6.5 |
| 1971 | 1 | 59.7 |
| 1974 | 92 | 59.7 |
| 1975 | 72 | 59.7 |
| 1976 | 65 | 59.7 |
| 1977 | 127 | 59.7 |
| 1979 | 1 | 59.7 |
| 1987 | 1 | 1 |
| 1994 | 3 | 19.3 |
| 1995 | 24 | 19.3 |
| 1996 | 22 | 19.3 |
| 1997 | 2 | 19.3 |
| 1998 | 45 | 19.3 |
| 1999 | 20 | 19.3 |
| 2000 | 14 | 9.2 |
| 2002 | 7 | 9.2 |
| 2003 | 15 | 9.2 |
| 2004 | 6 | 9.2 |
| 2005 | 15 | 9.2 |
| 2006 | 8 | 9.2 |
| 2007 | 4 | 9.2 |
| 2008 | 7 | 9.2 |
| 2009 | 7 | 9.2 |
| 2011 | 97 | 97 |
| Year | First date | Last date |
|---|---|---|
| 1967 | 1967-05-15 | 1967-05-15 |
| 1969 | 1969-06-09 | 1969-06-26 |
| 1971 | 1971-04-26 | 1971-04-26 |
| 1974 | 1974-01-06 | 1974-11-20 |
| 1975 | 1975-03-06 | 1975-11-20 |
| 1976 | 1976-02-09 | 1976-10-04 |
| 1977 | 1977-02-26 | 1977-12-30 |
| 1979 | 1979-04-13 | 1979-04-13 |
| 1987 | 1987-07-01 | 1987-07-01 |
| 1994 | 1994-05-04 | 1994-06-08 |
| 1995 | 1995-03-22 | 1995-09-17 |
| 1996 | 1996-04-20 | 1996-08-04 |
| 1997 | 1997-08-20 | 1997-08-21 |
| 1998 | 1998-03-25 | 1998-07-13 |
| 1999 | 1999-04-06 | 1999-09-28 |
| 2000 | 2000-04-16 | 2000-10-04 |
| 2002 | 2002-04-29 | 2002-06-16 |
| 2003 | 2003-05-03 | 2003-06-12 |
| 2004 | 2004-05-25 | 2004-05-30 |
| 2005 | 2005-05-25 | 2005-07-07 |
| 2006 | 2006-04-16 | 2006-08-31 |
| 2007 | 2007-06-02 | 2007-06-09 |
| 2008 | 2008-04-22 | 2008-06-06 |
| 2009 | 2009-05-06 | 2009-08-11 |
| 2011 | 2011-02-19 | 2011-10-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 25 | 127 | 1977 | 97 |
| 35 C (95 F): Days | 2 | 27 | 2011 | 27 |
| 40 C (104 F): Days | 1 | 9 | 2011 | 9 |
| 90 F (32.2 C): Days | 4 | 38 | 2011 | 38 |
| 100 F (37.8 C): Days | 1 | 15 | 2011 | 15 |
| 0 C (32 F): Frost days (min | 26 | 78 | 1996 | 4 |
| -10 C (14 F): Days with min | 2 | 3 | 1997 | 3 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1974 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 50 | 31 | 2006 | 19 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 34 | 10 | 2003 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 12 | 2 | 2003 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 0 | n/a | 1 |
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).