Sihuapan Threshold Days by Year (MXN00030302)
12 fixed thresholds counted per year at Sihuapan (MXN00030302): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sihuapan Thresholds
- Sihuapan: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2007 with 297.
- Sihuapan: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2007 with 220.
- Sihuapan: nights with a minimum temperature at or above 20 C (68 F) in 31 years, most in 2006 with 222.
- Sihuapan: days with a maximum temperature at or above 35 C (95 F) in 30 years, most in 2007 with 115.
- 12 fixed thresholds have at least one qualifying day at Sihuapan.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 154 | 127 |
| 1979 | 100 | 127 |
| 1980 | 121 | 103.7 |
| 1981 | 74 | 103.7 |
| 1982 | 95 | 103.7 |
| 1983 | 124 | 103.7 |
| 1984 | 73 | 103.7 |
| 1985 | 142 | 103.7 |
| 1989 | 97 | 103.7 |
| 1990 | 109 | 152.8 |
| 1991 | 156 | 152.8 |
| 1992 | 88 | 152.8 |
| 1993 | 144 | 152.8 |
| 1994 | 189 | 152.8 |
| 1995 | 157 | 152.8 |
| 1996 | 163 | 152.8 |
| 1997 | 176 | 152.8 |
| 1998 | 188 | 152.8 |
| 1999 | 158 | 152.8 |
| 2000 | 217 | 256 |
| 2001 | 244 | 256 |
| 2002 | 251 | 256 |
| 2003 | 254 | 256 |
| 2004 | 257 | 256 |
| 2005 | 281 | 256 |
| 2006 | 277 | 256 |
| 2007 | 297 | 256 |
| 2008 | 229 | 256 |
| 2009 | 253 | 256 |
| 2010 | 219 | 221 |
| 2011 | 223 | 221 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-02-23 | 1977-12-19 |
| 1979 | 1979-01-07 | 1979-11-09 |
| 1980 | 1980-02-16 | 1980-10-28 |
| 1981 | 1981-02-10 | 1981-12-28 |
| 1982 | 1982-02-18 | 1982-12-04 |
| 1983 | 1983-01-31 | 1983-12-13 |
| 1984 | 1984-02-26 | 1984-10-29 |
| 1985 | 1985-01-31 | 1985-12-12 |
| 1989 | 1989-01-07 | 1989-12-31 |
| 1990 | 1990-02-02 | 1990-12-18 |
| 1991 | 1991-01-28 | 1991-11-19 |
| 1992 | 1992-01-13 | 1992-12-22 |
| 1993 | 1993-01-08 | 1993-12-20 |
| 1994 | 1994-01-06 | 1994-11-28 |
| 1995 | 1995-01-18 | 1995-12-18 |
| 1996 | 1996-01-18 | 1996-11-24 |
| 1997 | 1997-01-04 | 1997-12-24 |
| 1998 | 1998-01-06 | 1998-11-10 |
| 1999 | 1999-01-02 | 1999-12-20 |
| 2000 | 2000-01-03 | 2000-12-16 |
| 2001 | 2001-01-07 | 2001-12-30 |
| 2002 | 2002-01-16 | 2002-12-24 |
| 2003 | 2003-02-03 | 2003-12-28 |
| 2004 | 2004-01-03 | 2004-12-22 |
| 2005 | 2005-01-01 | 2005-12-31 |
| 2006 | 2006-01-01 | 2006-12-31 |
| 2007 | 2007-01-04 | 2007-12-30 |
| 2008 | 2008-01-07 | 2008-12-27 |
| 2009 | 2009-01-06 | 2009-12-25 |
| 2010 | 2010-01-20 | 2010-12-31 |
| 2011 | 2011-01-01 | 2011-11-16 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 297 | 2007 | 223 |
| 35 C (95 F): Days | 30 | 115 | 2007 | 99 |
| 40 C (104 F): Days | 11 | 12 | 2005 | 6 |
| 90 F (32.2 C): Days | 31 | 220 | 2007 | 157 |
| 100 F (37.8 C): Days | 19 | 37 | 2011 | 37 |
| 20 C (68 F): Tropical nights (min | 31 | 222 | 2006 | 149 |
| 25 C (77 F): Days with min | 12 | 12 | 2011 | 12 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 30 | 62 | 1981 | 37 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 30 | 33 | 2001 | 23 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 30 | 16 | 1999 | 9 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 24 | 5 | 1984 | 2 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 8 | 2 | 1980 | 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).