Bolonchen Threshold Days by Year (MXN00004001)
13 fixed thresholds counted per year at Bolonchen (MXN00004001): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Bolonchen Thresholds
- Bolonchen: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1960 with 338.
- Bolonchen: days with a maximum temperature at or above 35 C (95 F) in 54 years, most in 1962 with 208.
- Bolonchen: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1960 with 267.
- Bolonchen: days with a maximum temperature at or above 100 F (37.8 C) in 54 years, most in 1975 with 84.
- 13 fixed thresholds have at least one qualifying day at Bolonchen.
Days at or above 30 C (86 F)
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1953 | 283 | 296.6 |
| 1954 | 245 | 296.6 |
| 1955 | 287 | 296.6 |
| 1956 | 324 | 296.6 |
| 1957 | 323 | 296.6 |
| 1958 | 309 | 296.6 |
| 1959 | 305 | 296.6 |
| 1960 | 338 | 316.9 |
| 1961 | 331 | 316.9 |
| 1962 | 333 | 316.9 |
| 1963 | 314 | 316.9 |
| 1964 | 313 | 316.9 |
| 1965 | 322 | 316.9 |
| 1966 | 304 | 316.9 |
| 1967 | 307 | 316.9 |
| 1968 | 299 | 316.9 |
| 1969 | 308 | 316.9 |
| 1970 | 316 | 304 |
| 1971 | 335 | 304 |
| 1972 | 325 | 304 |
| 1973 | 304 | 304 |
| 1974 | 295 | 304 |
| 1975 | 307 | 304 |
| 1976 | 292 | 304 |
| 1977 | 299 | 304 |
| 1979 | 263 | 304 |
| 1980 | 293 | 293 |
| 1981 | 302 | 293 |
| 1982 | 280 | 293 |
| 1983 | 287 | 293 |
| 1984 | 252 | 293 |
| 1986 | 317 | 293 |
| 1987 | 305 | 293 |
| 1988 | 288 | 293 |
| 1989 | 313 | 293 |
| 1991 | 279 | 293.6 |
| 1992 | 288 | 293.6 |
| 1994 | 335 | 293.6 |
| 1996 | 311 | 293.6 |
| 1997 | 301 | 293.6 |
| 1998 | 285 | 293.6 |
| 1999 | 256 | 293.6 |
| 2000 | 321 | 314.9 |
| 2001 | 324 | 314.9 |
| 2002 | 309 | 314.9 |
| 2003 | 312 | 314.9 |
| 2004 | 328 | 314.9 |
| 2005 | 311 | 314.9 |
| 2006 | 305 | 314.9 |
| 2007 | 309 | 314.9 |
| 2008 | 327 | 314.9 |
| 2009 | 303 | 314.9 |
| 2010 | 292 | 293 |
| 2011 | 294 | 293 |
| Year | First date | Last date |
|---|---|---|
| 1953 | 1953-01-04 | 1953-12-30 |
| 1954 | 1954-01-01 | 1954-12-31 |
| 1955 | 1955-01-01 | 1955-12-30 |
| 1956 | 1956-01-18 | 1956-12-24 |
| 1957 | 1957-01-01 | 1957-12-31 |
| 1958 | 1958-01-13 | 1958-12-31 |
| 1959 | 1959-01-02 | 1959-12-28 |
| 1960 | 1960-01-01 | 1960-12-31 |
| 1961 | 1961-01-01 | 1961-12-27 |
| 1962 | 1962-01-05 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-22 |
| 1964 | 1964-01-06 | 1964-12-31 |
| 1965 | 1965-01-01 | 1965-12-30 |
| 1966 | 1966-01-01 | 1966-12-31 |
| 1967 | 1967-01-01 | 1967-12-31 |
| 1968 | 1968-01-01 | 1968-12-31 |
| 1969 | 1969-01-01 | 1969-12-31 |
| 1970 | 1970-01-13 | 1970-12-31 |
| 1971 | 1971-01-01 | 1971-12-29 |
| 1972 | 1972-01-01 | 1972-12-31 |
| 1973 | 1973-01-01 | 1973-12-31 |
| 1974 | 1974-01-02 | 1974-12-31 |
| 1975 | 1975-01-01 | 1975-12-30 |
| 1976 | 1976-01-01 | 1976-12-31 |
| 1977 | 1977-01-01 | 1977-12-31 |
| 1979 | 1979-01-01 | 1979-12-24 |
| 1980 | 1980-01-08 | 1980-12-24 |
| 1981 | 1981-01-08 | 1981-12-31 |
| 1982 | 1982-01-01 | 1982-12-31 |
| 1983 | 1983-01-01 | 1983-12-24 |
| 1984 | 1984-02-11 | 1984-12-27 |
| 1986 | 1986-01-01 | 1986-12-31 |
| 1987 | 1987-01-04 | 1987-12-28 |
| 1988 | 1988-01-02 | 1988-12-31 |
| 1989 | 1989-01-01 | 1989-12-31 |
| 1991 | 1991-01-01 | 1991-12-30 |
| 1992 | 1992-01-01 | 1992-12-31 |
| 1994 | 1994-01-01 | 1994-12-30 |
| 1996 | 1996-01-01 | 1996-12-31 |
| 1997 | 1997-01-01 | 1997-11-30 |
| 1998 | 1998-01-04 | 1998-12-31 |
| 1999 | 1999-01-01 | 1999-12-21 |
| 2000 | 2000-01-01 | 2000-12-17 |
| 2001 | 2001-01-08 | 2001-12-29 |
| 2002 | 2002-01-12 | 2002-12-31 |
| 2003 | 2003-01-01 | 2003-12-30 |
| 2004 | 2004-01-01 | 2004-12-31 |
| 2005 | 2005-01-01 | 2005-12-31 |
| 2006 | 2006-01-03 | 2006-12-31 |
| 2007 | 2007-01-01 | 2007-12-30 |
| 2008 | 2008-01-05 | 2008-12-31 |
| 2009 | 2009-01-01 | 2009-12-31 |
| 2010 | 2010-01-01 | 2010-12-31 |
| 2011 | 2011-01-02 | 2011-12-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 54 | 338 | 1960 | 294 |
| 35 C (95 F): Days | 54 | 208 | 1962 | 111 |
| 40 C (104 F): Days | 38 | 23 | 1975 | 11 |
| 90 F (32.2 C): Days | 54 | 267 | 1960 | 212 |
| 100 F (37.8 C): Days | 54 | 84 | 1975 | 40 |
| 110 F (43.3 C): Days | 1 | 1 | 1964 | 1 |
| 20 C (68 F): Tropical nights (min | 54 | 292 | 1994 | 263 |
| 25 C (77 F): Days with min | 37 | 48 | 1953 | 14 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 54 | 47 | 1982 | 37 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 49 | 20 | 1977 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 45 | 10 | 2002 | 7 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 8 | 5 | 2002 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1973 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.
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).