Zacualtipan (Smn) Threshold Days by Year (MXN00013042)
12 fixed thresholds counted per year at Zacualtipan (Smn) (MXN00013042): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Zacualtipan (Smn) Thresholds
- Zacualtipan (Smn): days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1952 with 96.
- Zacualtipan (Smn): days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1952 with 51.
- Zacualtipan (Smn): nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1968 with 124.
- Zacualtipan (Smn): days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 1948 with 65.
- 12 fixed thresholds have at least one qualifying day at Zacualtipan (Smn).
Days at or above 30 C (86 F)
64 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1943 | 38 | 43.8 |
| 1945 | 61 | 43.8 |
| 1946 | 40 | 43.8 |
| 1947 | 47 | 43.8 |
| 1948 | 65 | 43.8 |
| 1949 | 12 | 43.8 |
| 1950 | 19 | 24 |
| 1951 | 25 | 24 |
| 1952 | 8 | 24 |
| 1953 | 41 | 24 |
| 1954 | 26 | 24 |
| 1955 | 28 | 24 |
| 1956 | 2 | 24 |
| 1957 | 34 | 24 |
| 1958 | 43 | 24 |
| 1959 | 14 | 24 |
| 1960 | 38 | 18.9 |
| 1961 | 26 | 18.9 |
| 1962 | 21 | 18.9 |
| 1963 | 38 | 18.9 |
| 1964 | 14 | 18.9 |
| 1965 | 4 | 18.9 |
| 1967 | 1 | 18.9 |
| 1969 | 9 | 18.9 |
| 1970 | 7 | 6.2 |
| 1971 | 3 | 6.2 |
| 1972 | 3 | 6.2 |
| 1973 | 16 | 6.2 |
| 1974 | 12 | 6.2 |
| 1975 | 5 | 6.2 |
| 1977 | 3 | 6.2 |
| 1978 | 4 | 6.2 |
| 1979 | 3 | 6.2 |
| 1980 | 3 | 3.3 |
| 1981 | 2 | 3.3 |
| 1982 | 1 | 3.3 |
| 1983 | 5 | 3.3 |
| 1984 | 8 | 3.3 |
| 1985 | 1 | 3.3 |
| 1986 | 6 | 3.3 |
| 1987 | 2 | 3.3 |
| 1988 | 2 | 3.3 |
| 1989 | 3 | 3.3 |
| 1990 | 1 | 18.7 |
| 1991 | 9 | 18.7 |
| 1993 | 2 | 18.7 |
| 1994 | 16 | 18.7 |
| 1995 | 39 | 18.7 |
| 1996 | 30 | 18.7 |
| 1997 | 6 | 18.7 |
| 1998 | 44 | 18.7 |
| 1999 | 21 | 18.7 |
| 2000 | 5 | 17.8 |
| 2001 | 24 | 17.8 |
| 2002 | 37 | 17.8 |
| 2003 | 53 | 17.8 |
| 2004 | 9 | 17.8 |
| 2005 | 12 | 17.8 |
| 2006 | 14 | 17.8 |
| 2007 | 8 | 17.8 |
| 2008 | 10 | 17.8 |
| 2009 | 6 | 17.8 |
| 2010 | 11 | 13 |
| 2011 | 15 | 13 |
| Year | First date | Last date |
|---|---|---|
| 1943 | 1943-02-23 | 1943-12-22 |
| 1945 | 1945-02-21 | 1945-12-31 |
| 1946 | 1946-01-05 | 1946-11-05 |
| 1947 | 1947-02-28 | 1947-11-24 |
| 1948 | 1948-02-05 | 1948-09-23 |
| 1949 | 1949-05-03 | 1949-05-27 |
| 1950 | 1950-03-25 | 1950-05-14 |
| 1951 | 1951-04-19 | 1951-06-20 |
| 1952 | 1952-03-16 | 1952-05-17 |
| 1953 | 1953-03-21 | 1953-05-25 |
| 1954 | 1954-03-12 | 1954-06-15 |
| 1955 | 1955-04-04 | 1955-06-25 |
| 1956 | 1956-04-05 | 1956-04-14 |
| 1957 | 1957-03-31 | 1957-07-01 |
| 1958 | 1958-03-30 | 1958-08-23 |
| 1959 | 1959-05-02 | 1959-05-30 |
| 1960 | 1960-03-28 | 1960-06-16 |
| 1961 | 1961-03-27 | 1961-06-03 |
| 1962 | 1962-02-24 | 1962-06-15 |
| 1963 | 1963-03-08 | 1963-06-10 |
| 1964 | 1964-04-05 | 1964-05-05 |
| 1965 | 1965-04-10 | 1965-06-08 |
| 1967 | 1967-05-31 | 1967-05-31 |
| 1969 | 1969-04-16 | 1969-06-23 |
| 1970 | 1970-04-16 | 1970-05-27 |
| 1971 | 1971-04-27 | 1971-04-29 |
| 1972 | 1972-04-13 | 1972-04-20 |
| 1973 | 1973-03-12 | 1973-05-27 |
| 1974 | 1974-04-01 | 1974-06-08 |
| 1975 | 1975-04-08 | 1975-05-06 |
| 1977 | 1977-04-27 | 1977-04-29 |
| 1978 | 1978-04-17 | 1978-05-07 |
| 1979 | 1979-04-10 | 1979-05-03 |
| 1980 | 1980-04-01 | 1980-05-16 |
| 1981 | 1981-05-17 | 1981-05-18 |
| 1982 | 1982-04-05 | 1982-04-05 |
| 1983 | 1983-04-21 | 1983-05-15 |
| 1984 | 1984-04-07 | 1984-05-03 |
| 1985 | 1985-03-30 | 1985-03-30 |
| 1986 | 1986-03-18 | 1986-06-07 |
| 1987 | 1987-03-25 | 1987-07-11 |
| 1988 | 1988-04-22 | 1988-05-06 |
| 1989 | 1989-05-17 | 1989-06-07 |
| 1990 | 1990-05-30 | 1990-05-30 |
| 1991 | 1991-03-07 | 1991-04-29 |
| 1993 | 1993-03-30 | 1993-04-07 |
| 1994 | 1994-02-22 | 1994-04-30 |
| 1995 | 1995-02-14 | 1995-12-27 |
| 1996 | 1996-02-21 | 1996-05-29 |
| 1997 | 1997-03-01 | 1997-10-25 |
| 1998 | 1998-02-18 | 1998-06-16 |
| 1999 | 1999-03-12 | 1999-05-17 |
| 2000 | 2000-03-28 | 2000-05-12 |
| 2001 | 2001-03-12 | 2001-12-16 |
| 2002 | 2002-01-19 | 2002-11-11 |
| 2003 | 2003-02-06 | 2003-11-23 |
| 2004 | 2004-02-23 | 2004-11-01 |
| 2005 | 2005-03-29 | 2005-04-30 |
| 2006 | 2006-03-09 | 2006-05-10 |
| 2007 | 2007-02-28 | 2007-05-06 |
| 2008 | 2008-03-18 | 2008-05-23 |
| 2009 | 2009-03-26 | 2009-05-06 |
| 2010 | 2010-03-11 | 2010-10-26 |
| 2011 | 2011-03-08 | 2011-05-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 64 | 65 | 1948 | 15 |
| 35 C (95 F): Days | 20 | 13 | 1960 | 2 |
| 90 F (32.2 C): Days | 33 | 21 | 2003 | 2 |
| 100 F (37.8 C): Days | 1 | 2 | 1963 | 2 |
| 0 C (32 F): Ice days (max | 4 | 1 | 1967 | 1 |
| 0 C (32 F): Frost days (min | 65 | 124 | 1968 | 29 |
| -10 C (14 F): Days with min | 6 | 6 | 1964 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 69 | 96 | 1952 | 42 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 69 | 51 | 1952 | 20 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 60 | 25 | 1952 | 7 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 25 | 9 | 1952 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 4 | 1954 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1943.
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).