San Pedro Potla Threshold Days by Year (MXN00015104)
9 fixed thresholds counted per year at San Pedro Potla (MXN00015104): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Pedro Potla Thresholds
- San Pedro Potla: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 1971 with 43.
- San Pedro Potla: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1987 with 90.
- San Pedro Potla: days with 25 mm (0.98 in) or more of precipitation in 37 years, most in 1998 with 11.
- San Pedro Potla: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 1998 with 69.
- 9 fixed thresholds have at least one qualifying day at San Pedro Potla.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1970 | 12 | 5.6 |
| 1971 | 10 | 5.6 |
| 1972 | 3 | 5.6 |
| 1973 | 8 | 5.6 |
| 1975 | 2 | 5.6 |
| 1977 | 1 | 5.6 |
| 1978 | 3 | 5.6 |
| 1982 | 4 | 7 |
| 1983 | 25 | 7 |
| 1984 | 1 | 7 |
| 1985 | 3 | 7 |
| 1986 | 3 | 7 |
| 1987 | 1 | 7 |
| 1988 | 17 | 7 |
| 1989 | 2 | 7 |
| 1991 | 11 | 24.2 |
| 1992 | 17 | 24.2 |
| 1993 | 10 | 24.2 |
| 1994 | 16 | 24.2 |
| 1995 | 35 | 24.2 |
| 1996 | 16 | 24.2 |
| 1997 | 7 | 24.2 |
| 1998 | 69 | 24.2 |
| 1999 | 37 | 24.2 |
| 2000 | 24 | 18.7 |
| 2001 | 10 | 18.7 |
| 2002 | 13 | 18.7 |
| 2003 | 20 | 18.7 |
| 2004 | 10 | 18.7 |
| 2005 | 30 | 18.7 |
| 2006 | 24 | 18.7 |
| Year | First date | Last date |
|---|---|---|
| 1970 | 1970-04-01 | 1970-05-10 |
| 1971 | 1971-04-23 | 1971-05-22 |
| 1972 | 1972-04-08 | 1972-09-01 |
| 1973 | 1973-04-22 | 1973-05-27 |
| 1975 | 1975-04-17 | 1975-04-25 |
| 1977 | 1977-03-31 | 1977-03-31 |
| 1978 | 1978-05-07 | 1978-05-09 |
| 1982 | 1982-04-01 | 1982-04-16 |
| 1983 | 1983-04-20 | 1983-06-11 |
| 1984 | 1984-04-30 | 1984-04-30 |
| 1985 | 1985-05-13 | 1985-05-15 |
| 1986 | 1986-04-11 | 1986-05-16 |
| 1987 | 1987-04-21 | 1987-04-21 |
| 1988 | 1988-04-05 | 1988-06-04 |
| 1989 | 1989-05-18 | 1989-06-07 |
| 1991 | 1991-03-07 | 1991-05-24 |
| 1992 | 1992-03-07 | 1992-07-02 |
| 1993 | 1993-04-19 | 1993-06-07 |
| 1994 | 1994-03-21 | 1994-05-12 |
| 1995 | 1995-03-22 | 1995-06-10 |
| 1996 | 1996-04-01 | 1996-05-29 |
| 1997 | 1997-03-04 | 1997-06-15 |
| 1998 | 1998-03-26 | 1998-06-25 |
| 1999 | 1999-03-25 | 1999-06-09 |
| 2000 | 2000-03-26 | 2000-06-05 |
| 2001 | 2001-03-10 | 2001-07-23 |
| 2002 | 2002-03-03 | 2002-05-29 |
| 2003 | 2003-04-07 | 2003-05-19 |
| 2004 | 2004-04-24 | 2004-06-20 |
| 2005 | 2005-03-15 | 2005-06-19 |
| 2006 | 2006-03-14 | 2006-12-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 69 | 1998 | 24 |
| 35 C (95 F): Days | 5 | 5 | 1998 | 1 |
| 40 C (104 F): Days | 1 | 1 | 2002 | 1 |
| 90 F (32.2 C): Days | 11 | 23 | 1998 | 3 |
| 100 F (37.8 C): Days | 1 | 1 | 2002 | 1 |
| 0 C (32 F): Frost days (min | 38 | 90 | 1987 | 61 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 39 | 43 | 1971 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 37 | 11 | 1998 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 2 | 1 | 1998 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.
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).