Newport Beach Harbor Threshold Days by Year (USC00046175)
11 fixed thresholds counted per year at Newport Beach Harbor (USC00046175): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Newport Beach Harbor Thresholds
- Newport Beach Harbor: days with 10 mm (0.39 in) or more of precipitation in 96 years, most in 1978 with 24.
- Newport Beach Harbor: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1978 with 9.
- Newport Beach Harbor: nights with a minimum temperature at or above 20 C (68 F) in 67 years, most in 2015 with 66.
- Newport Beach Harbor: days with a maximum temperature at or above 30 C (86 F) in 64 years, most in 2015 with 11.
- 11 fixed thresholds have at least one qualifying day at Newport Beach Harbor.
Days at or above 30 C (86 F)
64 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1924 | 3 | 2 |
| 1926 | 1 | 2 |
| 1927 | 2 | 2 |
| 1930 | 2 | 2.7 |
| 1931 | 3 | 2.7 |
| 1933 | 1 | 2.7 |
| 1934 | 2 | 2.7 |
| 1935 | 2 | 2.7 |
| 1938 | 1 | 2.7 |
| 1939 | 8 | 2.7 |
| 1940 | 3 | 2.2 |
| 1942 | 1 | 2.2 |
| 1945 | 3 | 2.2 |
| 1947 | 2 | 2.2 |
| 1949 | 2 | 2.2 |
| 1950 | 3 | 2.8 |
| 1951 | 2 | 2.8 |
| 1953 | 4 | 2.8 |
| 1954 | 1 | 2.8 |
| 1955 | 3 | 2.8 |
| 1957 | 2 | 2.8 |
| 1958 | 5 | 2.8 |
| 1959 | 2 | 2.8 |
| 1960 | 1 | 2.8 |
| 1961 | 3 | 2.8 |
| 1963 | 3 | 2.8 |
| 1964 | 3 | 2.8 |
| 1965 | 4 | 2.8 |
| 1966 | 1 | 2.8 |
| 1967 | 4 | 2.8 |
| 1968 | 3 | 2.8 |
| 1970 | 4 | 3.9 |
| 1971 | 3 | 3.9 |
| 1972 | 1 | 3.9 |
| 1975 | 2 | 3.9 |
| 1976 | 2 | 3.9 |
| 1978 | 9 | 3.9 |
| 1979 | 6 | 3.9 |
| 1980 | 1 | 3.6 |
| 1981 | 6 | 3.6 |
| 1982 | 2 | 3.6 |
| 1983 | 5 | 3.6 |
| 1984 | 5 | 3.6 |
| 1985 | 6 | 3.6 |
| 1986 | 2 | 3.6 |
| 1988 | 2 | 3.6 |
| 1992 | 1 | 2.5 |
| 1993 | 3 | 2.5 |
| 1996 | 1 | 2.5 |
| 1999 | 5 | 2.5 |
| 2003 | 2 | 3.3 |
| 2004 | 7 | 3.3 |
| 2005 | 1 | 3.3 |
| 2012 | 3 | 4.1 |
| 2014 | 7 | 4.1 |
| 2015 | 11 | 4.1 |
| 2016 | 2 | 4.1 |
| 2017 | 4 | 4.1 |
| 2018 | 1 | 4.1 |
| 2019 | 1 | 4.1 |
| 2020 | 7 | 4.3 |
| 2022 | 7 | 4.3 |
| 2024 | 2 | 4.3 |
| 2026 | 1 | 4.3 |
| Year | First date | Last date |
|---|---|---|
| 1924 | 1924-09-29 | 1924-12-11 |
| 1926 | 1926-03-13 | 1926-03-13 |
| 1927 | 1927-10-19 | 1927-11-17 |
| 1930 | 1930-07-30 | 1930-11-11 |
| 1931 | 1931-06-25 | 1931-10-01 |
| 1933 | 1933-11-13 | 1933-11-13 |
| 1934 | 1934-03-10 | 1934-09-17 |
| 1935 | 1935-02-01 | 1935-10-18 |
| 1938 | 1938-10-13 | 1938-10-13 |
| 1939 | 1939-09-18 | 1939-10-30 |
| 1940 | 1940-04-12 | 1940-10-19 |
| 1942 | 1942-10-16 | 1942-10-16 |
| 1945 | 1945-08-17 | 1945-11-03 |
| 1947 | 1947-04-12 | 1947-04-13 |
| 1949 | 1949-06-22 | 1949-09-06 |
| 1950 | 1950-10-13 | 1950-11-03 |
| 1951 | 1951-03-14 | 1951-10-06 |
| 1953 | 1953-05-03 | 1953-10-05 |
| 1954 | 1954-02-07 | 1954-02-07 |
| 1955 | 1955-08-31 | 1955-09-02 |
| 1957 | 1957-06-17 | 1957-06-18 |
| 1958 | 1958-08-15 | 1958-10-29 |
| 1959 | 1959-09-11 | 1959-09-12 |
| 1960 | 1960-04-02 | 1960-04-02 |
| 1961 | 1961-09-04 | 1961-10-15 |
| 1963 | 1963-09-26 | 1963-12-29 |
| 1964 | 1964-03-17 | 1964-10-21 |
| 1965 | 1965-09-30 | 1965-10-23 |
| 1966 | 1966-11-01 | 1966-11-01 |
| 1967 | 1967-05-14 | 1967-10-30 |
| 1968 | 1968-04-09 | 1968-09-23 |
| 1970 | 1970-09-25 | 1970-09-28 |
| 1971 | 1971-10-04 | 1971-10-06 |
| 1972 | 1972-10-06 | 1972-10-06 |
| 1975 | 1975-09-23 | 1975-09-24 |
| 1976 | 1976-10-09 | 1976-10-10 |
| 1978 | 1978-03-17 | 1978-10-23 |
| 1979 | 1979-05-13 | 1979-09-17 |
| 1980 | 1980-10-19 | 1980-10-19 |
| 1981 | 1981-06-15 | 1981-09-20 |
| 1982 | 1982-10-09 | 1982-10-10 |
| 1983 | 1983-01-10 | 1983-10-25 |
| 1984 | 1984-09-05 | 1984-09-17 |
| 1985 | 1985-06-30 | 1985-10-15 |
| 1986 | 1986-10-04 | 1986-10-05 |
| 1988 | 1988-09-04 | 1988-09-05 |
| 1992 | 1992-02-24 | 1992-02-24 |
| 1993 | 1993-10-27 | 1993-11-02 |
| 1996 | 1996-04-05 | 1996-04-05 |
| 1999 | 1999-01-14 | 1999-10-31 |
| 2003 | 2003-07-17 | 2003-10-26 |
| 2004 | 2004-05-02 | 2004-09-22 |
| 2005 | 2005-10-05 | 2005-10-05 |
| 2012 | 2012-09-15 | 2012-10-17 |
| 2014 | 2014-04-29 | 2014-09-17 |
| 2015 | 2015-09-10 | 2015-10-14 |
| 2016 | 2016-09-27 | 2016-11-09 |
| 2017 | 2017-04-29 | 2017-10-25 |
| 2018 | 2018-07-07 | 2018-07-07 |
| 2019 | 2019-10-25 | 2019-10-25 |
| 2020 | 2020-06-08 | 2020-10-01 |
| 2022 | 2022-02-10 | 2022-10-19 |
| 2024 | 2024-09-06 | 2024-09-09 |
| 2026 | 2026-02-04 | 2026-02-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 64 | 11 | 2015 | 1 |
| 35 C (95 F): Days | 14 | 4 | 2022 | 1 |
| 40 C (104 F): Days | 1 | 1 | 1963 | 1 |
| 90 F (32.2 C): Days | 35 | 6 | 1939 | 1 |
| 100 F (37.8 C): Days | 5 | 1 | 1939 | 1 |
| 0 C (32 F): Frost days (min | 9 | 5 | 1971 | 1 |
| 20 C (68 F): Tropical nights (min | 67 | 66 | 2015 | 44 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 96 | 24 | 1978 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 72 | 9 | 1978 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 32 | 2 | 1927 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1997 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.
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).