San Pedro Threshold Days by Year (MXN00003058)
15 fixed thresholds counted per year at San Pedro (MXN00003058): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Pedro Thresholds
- San Pedro: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1983 with 17.
- San Pedro: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1957 with 11.
- San Pedro: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1956 with 297.
- San Pedro: days with a maximum temperature at or above 35 C (95 F) in 54 years, most in 1956 with 195.
- 15 fixed thresholds have at least one qualifying day at San Pedro.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1952 | 263 | 265.7 |
| 1953 | 265 | 265.7 |
| 1954 | 255 | 265.7 |
| 1955 | 275 | 265.7 |
| 1956 | 297 | 265.7 |
| 1957 | 219 | 265.7 |
| 1958 | 286 | 265.7 |
| 1960 | 256 | 238.6 |
| 1961 | 225 | 238.6 |
| 1962 | 233 | 238.6 |
| 1963 | 248 | 238.6 |
| 1964 | 203 | 238.6 |
| 1965 | 241 | 238.6 |
| 1966 | 253 | 238.6 |
| 1967 | 254 | 238.6 |
| 1968 | 234 | 238.6 |
| 1970 | 247 | 221.1 |
| 1971 | 247 | 221.1 |
| 1972 | 245 | 221.1 |
| 1973 | 230 | 221.1 |
| 1974 | 231 | 221.1 |
| 1975 | 163 | 221.1 |
| 1976 | 174 | 221.1 |
| 1977 | 247 | 221.1 |
| 1978 | 223 | 221.1 |
| 1979 | 204 | 221.1 |
| 1980 | 258 | 221.3 |
| 1981 | 174 | 221.3 |
| 1982 | 204 | 221.3 |
| 1983 | 199 | 221.3 |
| 1984 | 189 | 221.3 |
| 1985 | 193 | 221.3 |
| 1986 | 257 | 221.3 |
| 1987 | 239 | 221.3 |
| 1988 | 243 | 221.3 |
| 1989 | 257 | 221.3 |
| 1991 | 232 | 240 |
| 1993 | 247 | 240 |
| 1994 | 241 | 240 |
| 1995 | 270 | 240 |
| 1996 | 256 | 240 |
| 1997 | 231 | 240 |
| 1998 | 200 | 240 |
| 1999 | 243 | 240 |
| 2000 | 257 | 237.1 |
| 2001 | 210 | 237.1 |
| 2002 | 232 | 237.1 |
| 2005 | 228 | 237.1 |
| 2006 | 247 | 237.1 |
| 2007 | 234 | 237.1 |
| 2008 | 252 | 237.1 |
| 2010 | 259 | 261.3 |
| 2011 | 268 | 261.3 |
| 2012 | 257 | 261.3 |
| Year | First date | Last date |
|---|---|---|
| 1952 | 1952-01-07 | 1952-12-17 |
| 1953 | 1953-01-07 | 1953-11-17 |
| 1954 | 1954-02-06 | 1954-12-31 |
| 1955 | 1955-02-14 | 1955-12-30 |
| 1956 | 1956-01-01 | 1956-12-04 |
| 1957 | 1957-01-03 | 1957-12-30 |
| 1958 | 1958-01-01 | 1958-11-30 |
| 1960 | 1960-03-01 | 1960-12-02 |
| 1961 | 1961-02-03 | 1961-12-02 |
| 1962 | 1962-02-05 | 1962-12-12 |
| 1963 | 1963-01-31 | 1963-12-26 |
| 1964 | 1964-02-11 | 1964-12-24 |
| 1965 | 1965-03-16 | 1965-12-29 |
| 1966 | 1966-01-10 | 1966-12-23 |
| 1967 | 1967-01-06 | 1967-12-15 |
| 1968 | 1968-01-20 | 1968-12-17 |
| 1970 | 1970-03-01 | 1970-12-09 |
| 1971 | 1971-01-17 | 1971-12-30 |
| 1972 | 1972-02-18 | 1972-12-04 |
| 1973 | 1973-02-28 | 1973-12-17 |
| 1974 | 1974-01-16 | 1974-11-17 |
| 1975 | 1975-03-04 | 1975-12-10 |
| 1976 | 1976-01-18 | 1976-10-24 |
| 1977 | 1977-01-28 | 1977-12-29 |
| 1978 | 1978-02-28 | 1978-12-18 |
| 1979 | 1979-01-03 | 1979-11-28 |
| 1980 | 1980-01-01 | 1980-12-20 |
| 1981 | 1981-04-09 | 1981-12-31 |
| 1982 | 1982-03-10 | 1982-11-16 |
| 1983 | 1983-04-01 | 1983-12-25 |
| 1984 | 1984-03-09 | 1984-11-08 |
| 1985 | 1985-03-10 | 1985-12-31 |
| 1986 | 1986-01-24 | 1986-12-05 |
| 1987 | 1987-01-28 | 1987-12-05 |
| 1988 | 1988-01-05 | 1988-11-24 |
| 1989 | 1989-02-18 | 1989-12-10 |
| 1991 | 1991-02-07 | 1991-11-22 |
| 1993 | 1993-01-01 | 1993-12-22 |
| 1994 | 1994-01-05 | 1994-12-06 |
| 1995 | 1995-02-04 | 1995-12-17 |
| 1996 | 1996-01-09 | 1996-12-22 |
| 1997 | 1997-01-03 | 1997-11-26 |
| 1998 | 1998-01-19 | 1998-12-31 |
| 1999 | 1999-01-07 | 1999-12-01 |
| 2000 | 2000-01-16 | 2000-12-25 |
| 2001 | 2001-02-05 | 2001-12-03 |
| 2002 | 2002-01-28 | 2002-12-17 |
| 2005 | 2005-01-18 | 2005-12-26 |
| 2006 | 2006-01-01 | 2006-12-18 |
| 2007 | 2007-02-18 | 2007-11-27 |
| 2008 | 2008-01-05 | 2008-12-28 |
| 2010 | 2010-01-17 | 2010-12-14 |
| 2011 | 2011-01-17 | 2011-12-01 |
| 2012 | 2012-01-04 | 2012-12-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 297 | 1956 | 257 |
| 35 C (95 F): Days | 54 | 195 | 1956 | 135 |
| 40 C (104 F): Days | 51 | 52 | 1953 | 31 |
| 45 C (113 F): Days | 2 | 1 | 1972 | 1 |
| 90 F (32.2 C): Days | 54 | 228 | 1956 | 175 |
| 100 F (37.8 C): Days | 54 | 118 | 2011 | 61 |
| 110 F (43.3 C): Days | 2 | 4 | 1980 | 4 |
| 0 C (32 F): Frost days (min | 3 | 1 | 1956 | 1 |
| 20 C (68 F): Tropical nights (min | 54 | 140 | 2012 | 140 |
| 25 C (77 F): Days with min | 42 | 40 | 2012 | 40 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 17 | 1983 | 11 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 56 | 11 | 1957 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 41 | 6 | 2006 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 10 | 2 | 1957 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1949 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.
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).