Santa Ana Fire STN Threshold Days by Year (USC00047888)
14 fixed thresholds counted per year at Santa Ana Fire STN (USC00047888): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Santa Ana Fire STN Thresholds
- Santa Ana Fire STN: days with a maximum temperature at or above 30 C (86 F) in 104 years, most in 1931 with 106.
- Santa Ana Fire STN: days with a maximum temperature at or above 90 F (32.2 C) in 104 years, most in 1931 with 59.
- Santa Ana Fire STN: days with a maximum temperature at or above 35 C (95 F) in 102 years, most in 1931 with 25.
- Santa Ana Fire STN: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1978 with 28.
- 14 fixed thresholds have at least one qualifying day at Santa Ana Fire STN.
Days at or above 30 C (86 F)
104 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 62 | 47.3 |
| 1918 | 49 | 47.3 |
| 1919 | 31 | 47.3 |
| 1920 | 31 | 50.4 |
| 1921 | 46 | 50.4 |
| 1922 | 62 | 50.4 |
| 1923 | 41 | 50.4 |
| 1924 | 40 | 50.4 |
| 1925 | 32 | 50.4 |
| 1926 | 40 | 50.4 |
| 1927 | 70 | 50.4 |
| 1928 | 57 | 50.4 |
| 1929 | 85 | 50.4 |
| 1930 | 77 | 67.3 |
| 1931 | 106 | 67.3 |
| 1932 | 42 | 67.3 |
| 1933 | 49 | 67.3 |
| 1934 | 59 | 67.3 |
| 1935 | 55 | 67.3 |
| 1936 | 91 | 67.3 |
| 1937 | 65 | 67.3 |
| 1938 | 61 | 67.3 |
| 1939 | 68 | 67.3 |
| 1940 | 52 | 57.7 |
| 1941 | 39 | 57.7 |
| 1942 | 53 | 57.7 |
| 1943 | 74 | 57.7 |
| 1944 | 38 | 57.7 |
| 1945 | 63 | 57.7 |
| 1946 | 73 | 57.7 |
| 1947 | 75 | 57.7 |
| 1948 | 42 | 57.7 |
| 1949 | 68 | 57.7 |
| 1950 | 60 | 49.1 |
| 1951 | 56 | 49.1 |
| 1952 | 69 | 49.1 |
| 1953 | 50 | 49.1 |
| 1954 | 43 | 49.1 |
| 1955 | 35 | 49.1 |
| 1956 | 41 | 49.1 |
| 1957 | 45 | 49.1 |
| 1958 | 46 | 49.1 |
| 1959 | 46 | 49.1 |
| 1960 | 53 | 43.1 |
| 1961 | 41 | 43.1 |
| 1962 | 25 | 43.1 |
| 1963 | 42 | 43.1 |
| 1964 | 44 | 43.1 |
| 1965 | 41 | 43.1 |
| 1966 | 45 | 43.1 |
| 1967 | 54 | 43.1 |
| 1968 | 44 | 43.1 |
| 1969 | 42 | 43.1 |
| 1970 | 33 | 43.9 |
| 1971 | 58 | 43.9 |
| 1972 | 43 | 43.9 |
| 1973 | 36 | 43.9 |
| 1974 | 40 | 43.9 |
| 1977 | 35 | 43.9 |
| 1978 | 55 | 43.9 |
| 1979 | 51 | 43.9 |
| 1980 | 38 | 42.3 |
| 1981 | 48 | 42.3 |
| 1982 | 43 | 42.3 |
| 1983 | 51 | 42.3 |
| 1984 | 58 | 42.3 |
| 1985 | 47 | 42.3 |
| 1986 | 32 | 42.3 |
| 1987 | 37 | 42.3 |
| 1988 | 33 | 42.3 |
| 1989 | 36 | 42.3 |
| 1991 | 29 | 43.3 |
| 1992 | 54 | 43.3 |
| 1993 | 29 | 43.3 |
| 1994 | 43 | 43.3 |
| 1995 | 46 | 43.3 |
| 1996 | 48 | 43.3 |
| 1997 | 63 | 43.3 |
| 1998 | 38 | 43.3 |
| 1999 | 40 | 43.3 |
| 2000 | 42 | 55.7 |
| 2001 | 37 | 55.7 |
| 2002 | 29 | 55.7 |
| 2003 | 54 | 55.7 |
| 2004 | 58 | 55.7 |
| 2007 | 72 | 55.7 |
| 2008 | 98 | 55.7 |
| 2010 | 47 | 66.3 |
| 2011 | 50 | 66.3 |
| 2012 | 66 | 66.3 |
| 2013 | 47 | 66.3 |
| 2014 | 85 | 66.3 |
| 2015 | 92 | 66.3 |
| 2016 | 78 | 66.3 |
| 2017 | 71 | 66.3 |
| 2018 | 70 | 66.3 |
| 2019 | 57 | 66.3 |
| 2020 | 76 | 63.3 |
| 2021 | 66 | 63.3 |
| 2022 | 72 | 63.3 |
| 2023 | 50 | 63.3 |
| 2024 | 51 | 63.3 |
| 2025 | 55 | 63.3 |
| 2026 | 73 | 63.3 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-04-04 | 1917-12-28 |
| 1918 | 1918-03-29 | 1918-12-04 |
| 1919 | 1919-04-17 | 1919-11-17 |
| 1920 | 1920-01-18 | 1920-09-28 |
| 1921 | 1921-02-25 | 1921-11-05 |
| 1922 | 1922-04-20 | 1922-11-27 |
| 1923 | 1923-01-10 | 1923-10-24 |
| 1924 | 1924-02-13 | 1924-11-29 |
| 1925 | 1925-04-15 | 1925-10-25 |
| 1926 | 1926-02-27 | 1926-11-09 |
| 1927 | 1927-03-24 | 1927-12-03 |
| 1928 | 1928-01-06 | 1928-10-23 |
| 1929 | 1929-01-12 | 1929-12-30 |
| 1930 | 1930-02-16 | 1930-11-13 |
| 1931 | 1931-01-27 | 1931-11-05 |
| 1932 | 1932-02-26 | 1932-11-24 |
| 1933 | 1933-01-13 | 1933-11-26 |
| 1934 | 1934-03-09 | 1934-11-07 |
| 1935 | 1935-02-01 | 1935-10-28 |
| 1936 | 1936-03-01 | 1936-11-22 |
| 1937 | 1937-04-18 | 1937-10-20 |
| 1938 | 1938-04-08 | 1938-12-09 |
| 1939 | 1939-04-07 | 1939-11-24 |
| 1940 | 1940-03-07 | 1940-12-08 |
| 1941 | 1941-05-07 | 1941-11-06 |
| 1942 | 1942-05-19 | 1942-12-15 |
| 1943 | 1943-02-13 | 1943-11-09 |
| 1944 | 1944-01-19 | 1944-10-03 |
| 1945 | 1945-04-07 | 1945-11-04 |
| 1946 | 1946-03-01 | 1946-10-25 |
| 1947 | 1947-03-13 | 1947-12-27 |
| 1948 | 1948-01-14 | 1948-11-06 |
| 1949 | 1949-04-09 | 1949-11-18 |
| 1950 | 1950-03-29 | 1950-12-10 |
| 1951 | 1951-01-24 | 1951-11-06 |
| 1952 | 1952-03-27 | 1952-11-05 |
| 1953 | 1953-01-03 | 1953-12-14 |
| 1954 | 1954-01-31 | 1954-12-20 |
| 1955 | 1955-05-18 | 1955-11-08 |
| 1956 | 1956-05-14 | 1956-12-28 |
| 1957 | 1957-02-12 | 1957-12-09 |
| 1958 | 1958-04-11 | 1958-12-11 |
| 1959 | 1959-03-11 | 1959-12-06 |
| 1960 | 1960-03-18 | 1960-12-22 |
| 1961 | 1961-01-16 | 1961-11-07 |
| 1962 | 1962-01-29 | 1962-10-31 |
| 1963 | 1963-02-03 | 1963-11-29 |
| 1964 | 1964-03-17 | 1964-11-30 |
| 1965 | 1965-01-17 | 1965-12-04 |
| 1966 | 1966-04-14 | 1966-11-02 |
| 1967 | 1967-02-04 | 1967-11-11 |
| 1968 | 1968-02-24 | 1968-11-20 |
| 1969 | 1969-01-03 | 1969-11-02 |
| 1970 | 1970-05-02 | 1970-10-28 |
| 1971 | 1971-01-18 | 1971-10-22 |
| 1972 | 1972-03-02 | 1972-10-07 |
| 1973 | 1973-04-22 | 1973-10-31 |
| 1974 | 1974-05-25 | 1974-11-24 |
| 1977 | 1977-02-13 | 1977-11-29 |
| 1978 | 1978-03-15 | 1978-10-24 |
| 1979 | 1979-03-06 | 1979-12-06 |
| 1980 | 1980-04-12 | 1980-12-30 |
| 1981 | 1981-04-05 | 1981-11-02 |
| 1982 | 1982-04-20 | 1982-11-03 |
| 1983 | 1983-01-11 | 1983-11-03 |
| 1984 | 1984-04-13 | 1984-10-13 |
| 1985 | 1985-02-14 | 1985-11-02 |
| 1986 | 1986-01-11 | 1986-11-11 |
| 1987 | 1987-02-06 | 1987-11-19 |
| 1988 | 1988-03-19 | 1988-10-17 |
| 1989 | 1989-02-22 | 1989-12-23 |
| 1991 | 1991-04-04 | 1991-11-13 |
| 1992 | 1992-02-24 | 1992-10-23 |
| 1993 | 1993-03-06 | 1993-11-03 |
| 1994 | 1994-03-13 | 1994-10-11 |
| 1995 | 1995-02-02 | 1995-10-27 |
| 1996 | 1996-01-11 | 1996-11-10 |
| 1997 | 1997-03-05 | 1997-11-04 |
| 1998 | 1998-04-21 | 1998-12-16 |
| 1999 | 1999-04-16 | 1999-11-01 |
| 2000 | 2000-04-26 | 2000-09-25 |
| 2001 | 2001-02-04 | 2001-10-14 |
| 2002 | 2002-02-21 | 2002-11-21 |
| 2003 | 2003-01-07 | 2003-10-28 |
| 2004 | 2004-03-07 | 2004-10-08 |
| 2007 | 2007-01-08 | 2007-11-15 |
| 2008 | 2008-02-27 | 2008-11-21 |
| 2010 | 2010-02-16 | 2010-12-13 |
| 2011 | 2011-01-15 | 2011-11-27 |
| 2012 | 2012-01-04 | 2012-11-05 |
| 2013 | 2013-04-19 | 2013-11-14 |
| 2014 | 2014-01-14 | 2014-11-27 |
| 2015 | 2015-01-06 | 2015-11-22 |
| 2016 | 2016-02-07 | 2016-11-24 |
| 2017 | 2017-03-09 | 2017-11-23 |
| 2018 | 2018-01-13 | 2018-11-03 |
| 2019 | 2019-04-08 | 2019-11-18 |
| 2020 | 2020-02-01 | 2020-11-16 |
| 2021 | 2021-01-15 | 2021-11-22 |
| 2022 | 2022-02-09 | 2022-10-20 |
| 2023 | 2023-04-21 | 2023-11-12 |
| 2024 | 2024-04-09 | 2024-10-23 |
| 2025 | 2025-02-27 | 2025-12-10 |
| 2026 | 2026-01-13 | 2026-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 104 | 106 | 1931 | 73 |
| 35 C (95 F): Days | 102 | 25 | 1931 | 13 |
| 40 C (104 F): Days | 34 | 6 | 1939 | 2 |
| 45 C (113 F): Days | 2 | 1 | 2018 | 1 |
| 90 F (32.2 C): Days | 104 | 59 | 1931 | 38 |
| 100 F (37.8 C): Days | 76 | 10 | 1939 | 3 |
| 110 F (43.3 C): Days | 8 | 2 | 1939 | 1 |
| 0 C (32 F): Frost days (min | 27 | 43 | 1949 | 1 |
| 20 C (68 F): Tropical nights (min | 70 | 75 | 2015 | 48 |
| 25 C (77 F): Days with min | 8 | 1 | 1970 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 102 | 28 | 1978 | 5 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 91 | 11 | 1938 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 39 | 3 | 1952 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 3 | 1 | 1927 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
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 (2026-10-17).