Chula Vista Threshold Days by Year (USC00041758)
11 fixed thresholds counted per year at Chula Vista (USC00041758): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Chula Vista Thresholds
- Chula Vista: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1941 with 21.
- Chula Vista: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1927 with 7.
- Chula Vista: days with a maximum temperature at or above 30 C (86 F) in 70 years, most in 2015 with 33.
- Chula Vista: nights with a minimum temperature at or above 20 C (68 F) in 67 years, most in 2014 with 58.
- 11 fixed thresholds have at least one qualifying day at Chula Vista.
Days at or above 30 C (86 F)
70 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1921 | 6 | 2.1 |
| 1922 | 1 | 2.1 |
| 1924 | 1 | 2.1 |
| 1925 | 1 | 2.1 |
| 1926 | 4 | 2.1 |
| 1927 | 1 | 2.1 |
| 1929 | 1 | 2.1 |
| 1930 | 2 | 3.1 |
| 1931 | 2 | 3.1 |
| 1932 | 1 | 3.1 |
| 1934 | 2 | 3.1 |
| 1935 | 1 | 3.1 |
| 1936 | 2 | 3.1 |
| 1939 | 12 | 3.1 |
| 1940 | 4 | 2.1 |
| 1942 | 1 | 2.1 |
| 1943 | 1 | 2.1 |
| 1945 | 3 | 2.1 |
| 1946 | 3 | 2.1 |
| 1947 | 1 | 2.1 |
| 1949 | 2 | 2.1 |
| 1950 | 1 | 2 |
| 1953 | 4 | 2 |
| 1954 | 1 | 2 |
| 1967 | 1 | 1.5 |
| 1968 | 2 | 1.5 |
| 1970 | 2 | 3.8 |
| 1971 | 4 | 3.8 |
| 1973 | 1 | 3.8 |
| 1974 | 3 | 3.8 |
| 1975 | 2 | 3.8 |
| 1976 | 5 | 3.8 |
| 1978 | 6 | 3.8 |
| 1979 | 7 | 3.8 |
| 1980 | 1 | 8.8 |
| 1981 | 3 | 8.8 |
| 1982 | 6 | 8.8 |
| 1983 | 17 | 8.8 |
| 1984 | 13 | 8.8 |
| 1985 | 19 | 8.8 |
| 1986 | 7 | 8.8 |
| 1987 | 7 | 8.8 |
| 1988 | 6 | 8.8 |
| 1990 | 15 | 14.1 |
| 1991 | 10 | 14.1 |
| 1993 | 9 | 14.1 |
| 1994 | 15 | 14.1 |
| 1995 | 12 | 14.1 |
| 1996 | 9 | 14.1 |
| 1997 | 29 | 14.1 |
| 2000 | 4 | 7.3 |
| 2001 | 8 | 7.3 |
| 2009 | 10 | 7.3 |
| 2010 | 8 | 14.5 |
| 2011 | 6 | 14.5 |
| 2012 | 6 | 14.5 |
| 2013 | 11 | 14.5 |
| 2014 | 29 | 14.5 |
| 2015 | 33 | 14.5 |
| 2016 | 27 | 14.5 |
| 2017 | 15 | 14.5 |
| 2018 | 3 | 14.5 |
| 2019 | 7 | 14.5 |
| 2020 | 20 | 13.6 |
| 2021 | 11 | 13.6 |
| 2022 | 12 | 13.6 |
| 2023 | 6 | 13.6 |
| 2024 | 6 | 13.6 |
| 2025 | 21 | 13.6 |
| 2026 | 19 | 13.6 |
| Year | First date | Last date |
|---|---|---|
| 1921 | 1921-10-20 | 1921-11-05 |
| 1922 | 1922-09-17 | 1922-09-17 |
| 1924 | 1924-11-23 | 1924-11-23 |
| 1925 | 1925-07-14 | 1925-07-14 |
| 1926 | 1926-03-23 | 1926-11-17 |
| 1927 | 1927-10-20 | 1927-10-20 |
| 1929 | 1929-11-04 | 1929-11-04 |
| 1930 | 1930-02-17 | 1930-11-02 |
| 1931 | 1931-06-25 | 1931-10-30 |
| 1932 | 1932-11-18 | 1932-11-18 |
| 1934 | 1934-09-17 | 1934-09-18 |
| 1935 | 1935-08-10 | 1935-08-10 |
| 1936 | 1936-08-08 | 1936-08-09 |
| 1939 | 1939-09-17 | 1939-10-15 |
| 1940 | 1940-04-12 | 1940-11-15 |
| 1942 | 1942-10-21 | 1942-10-21 |
| 1943 | 1943-02-13 | 1943-02-13 |
| 1945 | 1945-09-30 | 1945-10-02 |
| 1946 | 1946-04-11 | 1946-09-29 |
| 1947 | 1947-04-13 | 1947-04-13 |
| 1949 | 1949-11-07 | 1949-11-14 |
| 1950 | 1950-11-04 | 1950-11-04 |
| 1953 | 1953-05-04 | 1953-11-10 |
| 1954 | 1954-02-08 | 1954-02-08 |
| 1967 | 1967-10-17 | 1967-10-17 |
| 1968 | 1968-04-10 | 1968-09-25 |
| 1970 | 1970-09-28 | 1970-09-29 |
| 1971 | 1971-09-13 | 1971-10-11 |
| 1973 | 1973-09-28 | 1973-09-28 |
| 1974 | 1974-10-16 | 1974-11-13 |
| 1975 | 1975-09-24 | 1975-09-25 |
| 1976 | 1976-10-09 | 1976-11-06 |
| 1978 | 1978-03-17 | 1978-10-24 |
| 1979 | 1979-05-14 | 1979-09-18 |
| 1980 | 1980-06-29 | 1980-06-29 |
| 1981 | 1981-06-16 | 1981-06-18 |
| 1982 | 1982-09-02 | 1982-10-23 |
| 1983 | 1983-05-18 | 1983-10-27 |
| 1984 | 1984-07-08 | 1984-09-20 |
| 1985 | 1985-02-14 | 1985-10-16 |
| 1986 | 1986-01-12 | 1986-08-20 |
| 1987 | 1987-04-21 | 1987-10-26 |
| 1988 | 1988-03-25 | 1988-10-08 |
| 1990 | 1990-05-06 | 1990-11-10 |
| 1991 | 1991-08-11 | 1991-11-12 |
| 1993 | 1993-09-27 | 1993-11-04 |
| 1994 | 1994-03-13 | 1994-10-10 |
| 1995 | 1995-02-03 | 1995-10-03 |
| 1996 | 1996-01-11 | 1996-11-10 |
| 1997 | 1997-03-10 | 1997-11-22 |
| 2000 | 2000-08-01 | 2000-09-12 |
| 2001 | 2001-02-04 | 2001-10-14 |
| 2009 | 2009-04-19 | 2009-10-27 |
| 2010 | 2010-07-16 | 2010-11-05 |
| 2011 | 2011-05-02 | 2011-10-12 |
| 2012 | 2012-09-01 | 2012-11-04 |
| 2013 | 2013-05-02 | 2013-10-06 |
| 2014 | 2014-03-16 | 2014-11-28 |
| 2015 | 2015-02-11 | 2015-11-22 |
| 2016 | 2016-02-08 | 2016-12-29 |
| 2017 | 2017-09-01 | 2017-11-23 |
| 2018 | 2018-07-06 | 2018-08-11 |
| 2019 | 2019-08-25 | 2019-11-18 |
| 2020 | 2020-05-06 | 2020-11-16 |
| 2021 | 2021-03-31 | 2021-11-14 |
| 2022 | 2022-02-12 | 2022-10-19 |
| 2023 | 2023-08-28 | 2023-10-05 |
| 2024 | 2024-09-05 | 2024-09-10 |
| 2025 | 2025-02-27 | 2025-10-29 |
| 2026 | 2026-01-31 | 2026-09-09 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 70 | 33 | 2015 | 19 |
| 35 C (95 F): Days | 29 | 5 | 2015 | 1 |
| 40 C (104 F): Days | 4 | 1 | 1939 | 1 |
| 90 F (32.2 C): Days | 49 | 14 | 2014 | 8 |
| 100 F (37.8 C): Days | 10 | 2 | 1987 | 1 |
| 0 C (32 F): Frost days (min | 29 | 8 | 1949 | 4 |
| 20 C (68 F): Tropical nights (min | 67 | 58 | 2014 | 40 |
| 25 C (77 F): Days with min | 3 | 1 | 2016 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 102 | 21 | 1941 | 3 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 71 | 7 | 1927 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 15 | 2 | 1986 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.
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).