San Mateo Acuitlapilco Threshold Days by Year (MXN00015099)
7 fixed thresholds counted per year at San Mateo Acuitlapilco (MXN00015099): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Mateo Acuitlapilco Thresholds
- San Mateo Acuitlapilco: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1967 with 37.
- San Mateo Acuitlapilco: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1965 with 8.
- San Mateo Acuitlapilco: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1998 with 108.
- San Mateo Acuitlapilco: nights with a minimum temperature at or below 0 C (32 F) in 22 years, most in 1999 with 49.
- 7 fixed thresholds have at least one qualifying day at San Mateo Acuitlapilco.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1977 | 13 | 15.7 |
| 1978 | 14 | 15.7 |
| 1979 | 20 | 15.7 |
| 1980 | 33 | 38.4 |
| 1981 | 20 | 38.4 |
| 1982 | 56 | 38.4 |
| 1983 | 73 | 38.4 |
| 1984 | 40 | 38.4 |
| 1985 | 23 | 38.4 |
| 1986 | 25 | 38.4 |
| 1987 | 37 | 38.4 |
| 1997 | 13 | 66.3 |
| 1998 | 108 | 66.3 |
| 1999 | 78 | 66.3 |
| 2001 | 55 | 69.4 |
| 2002 | 65 | 69.4 |
| 2003 | 76 | 69.4 |
| 2005 | 82 | 69.4 |
| 2006 | 54 | 69.4 |
| 2008 | 74 | 69.4 |
| 2009 | 80 | 69.4 |
| 2011 | 45 | 45 |
| Year | First date | Last date |
|---|---|---|
| 1977 | 1977-03-14 | 1977-04-04 |
| 1978 | 1978-04-17 | 1978-05-12 |
| 1979 | 1979-03-24 | 1979-10-21 |
| 1980 | 1980-03-07 | 1980-06-17 |
| 1981 | 1981-03-29 | 1981-05-19 |
| 1982 | 1982-03-13 | 1982-09-29 |
| 1983 | 1983-03-18 | 1983-07-02 |
| 1984 | 1984-03-11 | 1984-05-07 |
| 1985 | 1985-03-03 | 1985-05-31 |
| 1986 | 1986-03-16 | 1986-06-01 |
| 1987 | 1987-02-25 | 1987-09-16 |
| 1997 | 1997-03-01 | 1997-10-28 |
| 1998 | 1998-02-19 | 1998-08-16 |
| 1999 | 1999-03-16 | 1999-08-05 |
| 2001 | 2001-03-11 | 2001-09-05 |
| 2002 | 2002-03-04 | 2002-09-10 |
| 2003 | 2003-02-12 | 2003-10-11 |
| 2005 | 2005-03-19 | 2005-08-10 |
| 2006 | 2006-02-19 | 2006-05-15 |
| 2008 | 2008-03-27 | 2008-06-29 |
| 2009 | 2009-02-18 | 2009-10-29 |
| 2011 | 2011-03-05 | 2011-06-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 108 | 1998 | 45 |
| 35 C (95 F): Days | 6 | 14 | 1998 | 1 |
| 90 F (32.2 C): Days | 16 | 44 | 1998 | 8 |
| 0 C (32 F): Frost days (min | 22 | 49 | 1999 | 25 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 38 | 37 | 1967 | 15 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 8 | 1965 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 2 | 1965 | 2 |
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).