San Diego de la Union Threshold Days by Year (MXN00011064)
11 fixed thresholds counted per year at San Diego de la Union (MXN00011064): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for San Diego de la Union Thresholds
- San Diego de la Union: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1958 with 31.
- San Diego de la Union: nights with a minimum temperature at or below 0 C (32 F) in 64 years, most in 1986 with 33.
- San Diego de la Union: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1958 with 15.
- San Diego de la Union: days with a maximum temperature at or above 30 C (86 F) in 61 years, most in 1941 with 183.
- 11 fixed thresholds have at least one qualifying day at San Diego de la Union.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1925 | 23 | 13 |
| 1926 | 5 | 13 |
| 1928 | 11 | 13 |
| 1933 | 103 | 67.7 |
| 1934 | 40 | 67.7 |
| 1935 | 83 | 67.7 |
| 1936 | 43 | 67.7 |
| 1937 | 66 | 67.7 |
| 1938 | 71 | 67.7 |
| 1940 | 86 | 119.8 |
| 1941 | 183 | 119.8 |
| 1942 | 102 | 119.8 |
| 1943 | 129 | 119.8 |
| 1944 | 125 | 119.8 |
| 1945 | 158 | 119.8 |
| 1946 | 116 | 119.8 |
| 1947 | 105 | 119.8 |
| 1948 | 103 | 119.8 |
| 1949 | 91 | 119.8 |
| 1950 | 55 | 49.1 |
| 1951 | 42 | 49.1 |
| 1952 | 14 | 49.1 |
| 1953 | 58 | 49.1 |
| 1956 | 44 | 49.1 |
| 1957 | 101 | 49.1 |
| 1958 | 30 | 49.1 |
| 1960 | 34 | 34.7 |
| 1961 | 49 | 34.7 |
| 1962 | 46 | 34.7 |
| 1963 | 37 | 34.7 |
| 1964 | 34 | 34.7 |
| 1965 | 36 | 34.7 |
| 1966 | 15 | 34.7 |
| 1967 | 30 | 34.7 |
| 1968 | 28 | 34.7 |
| 1969 | 38 | 34.7 |
| 1970 | 52 | 40.8 |
| 1971 | 35 | 40.8 |
| 1972 | 46 | 40.8 |
| 1973 | 43 | 40.8 |
| 1974 | 31 | 40.8 |
| 1975 | 54 | 40.8 |
| 1976 | 20 | 40.8 |
| 1977 | 29 | 40.8 |
| 1978 | 38 | 40.8 |
| 1979 | 60 | 40.8 |
| 1980 | 82 | 84 |
| 1981 | 51 | 84 |
| 1982 | 130 | 84 |
| 1983 | 104 | 84 |
| 1984 | 82 | 84 |
| 1985 | 60 | 84 |
| 1986 | 82 | 84 |
| 1987 | 81 | 84 |
| 1991 | 42 | 20.3 |
| 1992 | 5 | 20.3 |
| 1993 | 7 | 20.3 |
| 1994 | 23 | 20.3 |
| 1995 | 35 | 20.3 |
| 1996 | 18 | 20.3 |
| 1997 | 12 | 20.3 |
| Year | First date | Last date |
|---|---|---|
| 1925 | 1925-02-23 | 1925-07-21 |
| 1926 | 1926-05-26 | 1926-06-19 |
| 1928 | 1928-03-08 | 1928-06-29 |
| 1933 | 1933-03-10 | 1933-11-06 |
| 1934 | 1934-03-21 | 1934-10-25 |
| 1935 | 1935-03-06 | 1935-11-12 |
| 1936 | 1936-01-09 | 1936-11-02 |
| 1937 | 1937-03-16 | 1937-11-16 |
| 1938 | 1938-01-18 | 1938-10-09 |
| 1940 | 1940-04-12 | 1940-10-03 |
| 1941 | 1941-02-19 | 1941-12-04 |
| 1942 | 1942-02-06 | 1942-12-03 |
| 1943 | 1943-01-24 | 1943-11-07 |
| 1944 | 1944-01-31 | 1944-11-15 |
| 1945 | 1945-02-10 | 1945-12-30 |
| 1946 | 1946-01-03 | 1946-12-21 |
| 1947 | 1947-01-23 | 1947-11-08 |
| 1948 | 1948-02-06 | 1948-12-23 |
| 1949 | 1949-02-09 | 1949-10-21 |
| 1950 | 1950-02-28 | 1950-08-17 |
| 1951 | 1951-04-17 | 1951-08-09 |
| 1952 | 1952-03-29 | 1952-08-03 |
| 1953 | 1953-04-11 | 1953-08-06 |
| 1956 | 1956-03-02 | 1956-10-28 |
| 1957 | 1957-02-01 | 1957-10-31 |
| 1958 | 1958-04-12 | 1958-10-02 |
| 1960 | 1960-03-28 | 1960-10-15 |
| 1961 | 1961-04-12 | 1961-06-11 |
| 1962 | 1962-04-11 | 1962-10-08 |
| 1963 | 1963-03-17 | 1963-06-09 |
| 1964 | 1964-04-05 | 1964-09-13 |
| 1965 | 1965-03-09 | 1965-06-14 |
| 1966 | 1966-04-13 | 1966-06-08 |
| 1967 | 1967-04-19 | 1967-08-02 |
| 1968 | 1968-03-31 | 1968-06-10 |
| 1969 | 1969-04-04 | 1969-11-06 |
| 1970 | 1970-03-23 | 1970-10-25 |
| 1971 | 1971-02-28 | 1971-06-09 |
| 1972 | 1972-04-06 | 1972-11-01 |
| 1973 | 1973-03-11 | 1973-06-19 |
| 1974 | 1974-03-03 | 1974-08-07 |
| 1975 | 1975-03-16 | 1975-06-17 |
| 1976 | 1976-03-12 | 1976-06-24 |
| 1977 | 1977-03-17 | 1977-10-10 |
| 1978 | 1978-03-14 | 1978-05-25 |
| 1979 | 1979-03-13 | 1979-10-28 |
| 1980 | 1980-03-07 | 1980-10-18 |
| 1981 | 1981-02-28 | 1981-08-18 |
| 1982 | 1982-02-11 | 1982-10-29 |
| 1983 | 1983-03-18 | 1983-10-11 |
| 1984 | 1984-03-08 | 1984-10-22 |
| 1985 | 1985-03-01 | 1985-10-10 |
| 1986 | 1986-02-18 | 1986-11-22 |
| 1987 | 1987-03-10 | 1987-12-29 |
| 1991 | 1991-03-07 | 1991-06-05 |
| 1992 | 1992-06-25 | 1992-07-01 |
| 1993 | 1993-05-07 | 1993-06-07 |
| 1994 | 1994-03-19 | 1994-09-23 |
| 1995 | 1995-03-22 | 1995-08-03 |
| 1996 | 1996-04-18 | 1996-07-23 |
| 1997 | 1997-03-04 | 1997-09-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 183 | 1941 | 12 |
| 35 C (95 F): Days | 27 | 25 | 1947 | 1 |
| 90 F (32.2 C): Days | 56 | 66 | 1945 | 1 |
| 100 F (37.8 C): Days | 4 | 7 | 1947 | 2 |
| 0 C (32 F): Frost days (min | 64 | 33 | 1986 | 26 |
| -10 C (14 F): Days with min | 1 | 1 | 1997 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 3 | 1957 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 70 | 31 | 1958 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 63 | 15 | 1958 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 19 | 3 | 1958 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1957 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1925.
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).