Oakland Intl AP Threshold Days by Year (USW00023230)
11 fixed thresholds counted per year at Oakland Intl AP (USW00023230): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Oakland Intl AP Thresholds
- Oakland Intl AP: days with a maximum temperature at or above 30 C (86 F) in 62 years, most in 2020 with 25.
- Oakland Intl AP: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 2005 with 28.
- Oakland Intl AP: days with a maximum temperature at or above 90 F (32.2 C) in 57 years, most in 2020 with 16.
- Oakland Intl AP: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1958 with 8.
- 11 fixed thresholds have at least one qualifying day at Oakland Intl AP.
Days at or above 30 C (86 F)
62 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1948 | 3 | 6.5 |
| 1949 | 10 | 6.5 |
| 1950 | 14 | 10.9 |
| 1951 | 8 | 10.9 |
| 1952 | 13 | 10.9 |
| 1953 | 8 | 10.9 |
| 1954 | 10 | 10.9 |
| 1955 | 9 | 10.9 |
| 1956 | 6 | 10.9 |
| 1957 | 12 | 10.9 |
| 1958 | 16 | 10.9 |
| 1959 | 13 | 10.9 |
| 1960 | 8 | 6.6 |
| 1961 | 21 | 6.6 |
| 1962 | 7 | 6.6 |
| 1963 | 5 | 6.6 |
| 1964 | 4 | 6.6 |
| 1965 | 5 | 6.6 |
| 1966 | 7 | 6.6 |
| 1967 | 2 | 6.6 |
| 1968 | 6 | 6.6 |
| 1969 | 1 | 6.6 |
| 1970 | 11 | 6.8 |
| 1971 | 4 | 6.8 |
| 1972 | 5 | 6.8 |
| 1973 | 10 | 6.8 |
| 1974 | 4 | 6.8 |
| 1975 | 5 | 6.8 |
| 1976 | 13 | 6.8 |
| 1977 | 3 | 6.8 |
| 1978 | 7 | 6.8 |
| 1979 | 6 | 6.8 |
| 1980 | 6 | 6 |
| 1984 | 10 | 6 |
| 1985 | 2 | 6 |
| 2000 | 8 | 10.4 |
| 2001 | 9 | 10.4 |
| 2002 | 14 | 10.4 |
| 2003 | 16 | 10.4 |
| 2004 | 14 | 10.4 |
| 2005 | 2 | 10.4 |
| 2006 | 8 | 10.4 |
| 2007 | 4 | 10.4 |
| 2008 | 16 | 10.4 |
| 2009 | 13 | 10.4 |
| 2010 | 16 | 10.1 |
| 2011 | 11 | 10.1 |
| 2012 | 4 | 10.1 |
| 2013 | 7 | 10.1 |
| 2014 | 10 | 10.1 |
| 2015 | 15 | 10.1 |
| 2016 | 9 | 10.1 |
| 2017 | 14 | 10.1 |
| 2018 | 2 | 10.1 |
| 2019 | 13 | 10.1 |
| 2020 | 25 | 10.9 |
| 2021 | 8 | 10.9 |
| 2022 | 10 | 10.9 |
| 2023 | 8 | 10.9 |
| 2024 | 15 | 10.9 |
| 2025 | 3 | 10.9 |
| 2026 | 7 | 10.9 |
| Year | First date | Last date |
|---|---|---|
| 1948 | 1948-06-22 | 1948-09-13 |
| 1949 | 1949-05-05 | 1949-09-22 |
| 1950 | 1950-05-29 | 1950-10-13 |
| 1951 | 1951-05-25 | 1951-10-07 |
| 1952 | 1952-05-15 | 1952-10-02 |
| 1953 | 1953-06-24 | 1953-10-05 |
| 1954 | 1954-04-17 | 1954-10-14 |
| 1955 | 1955-05-19 | 1955-10-12 |
| 1956 | 1956-05-15 | 1956-09-22 |
| 1957 | 1957-04-28 | 1957-09-21 |
| 1958 | 1958-05-15 | 1958-10-10 |
| 1959 | 1959-06-20 | 1959-10-24 |
| 1960 | 1960-06-01 | 1960-09-25 |
| 1961 | 1961-06-15 | 1961-10-16 |
| 1962 | 1962-04-12 | 1962-09-16 |
| 1963 | 1963-05-17 | 1963-09-25 |
| 1964 | 1964-09-21 | 1964-09-24 |
| 1965 | 1965-08-13 | 1965-10-25 |
| 1966 | 1966-04-23 | 1966-10-31 |
| 1967 | 1967-09-19 | 1967-09-20 |
| 1968 | 1968-06-15 | 1968-09-25 |
| 1969 | 1969-05-05 | 1969-05-05 |
| 1970 | 1970-05-15 | 1970-10-01 |
| 1971 | 1971-09-12 | 1971-09-15 |
| 1972 | 1972-05-13 | 1972-10-06 |
| 1973 | 1973-05-28 | 1973-09-28 |
| 1974 | 1974-05-26 | 1974-10-16 |
| 1975 | 1975-05-28 | 1975-09-24 |
| 1976 | 1976-05-12 | 1976-10-13 |
| 1977 | 1977-07-29 | 1977-08-29 |
| 1978 | 1978-05-17 | 1978-10-02 |
| 1979 | 1979-06-07 | 1979-09-12 |
| 1980 | 1980-09-23 | 1980-10-03 |
| 1984 | 1984-05-27 | 1984-09-27 |
| 1985 | 1985-07-01 | 1985-10-03 |
| 2000 | 2000-05-21 | 2000-09-19 |
| 2001 | 2001-05-07 | 2001-10-14 |
| 2002 | 2002-06-05 | 2002-10-07 |
| 2003 | 2003-05-28 | 2003-10-26 |
| 2004 | 2004-03-10 | 2004-10-13 |
| 2005 | 2005-07-23 | 2005-08-31 |
| 2006 | 2006-05-14 | 2006-09-25 |
| 2007 | 2007-05-06 | 2007-09-05 |
| 2008 | 2008-05-14 | 2008-09-06 |
| 2009 | 2009-04-20 | 2009-09-26 |
| 2010 | 2010-06-12 | 2010-10-14 |
| 2011 | 2011-06-20 | 2011-09-28 |
| 2012 | 2012-09-30 | 2012-10-18 |
| 2013 | 2013-05-01 | 2013-10-04 |
| 2014 | 2014-04-30 | 2014-10-12 |
| 2015 | 2015-06-08 | 2015-10-13 |
| 2016 | 2016-04-06 | 2016-09-26 |
| 2017 | 2017-05-01 | 2017-10-24 |
| 2018 | 2018-06-23 | 2018-09-20 |
| 2019 | 2019-04-23 | 2019-10-24 |
| 2020 | 2020-05-08 | 2020-10-18 |
| 2021 | 2021-06-17 | 2021-10-03 |
| 2022 | 2022-04-07 | 2022-10-19 |
| 2023 | 2023-07-01 | 2023-10-19 |
| 2024 | 2024-07-02 | 2024-10-07 |
| 2025 | 2025-08-30 | 2025-09-23 |
| 2026 | 2026-03-20 | 2026-10-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 62 | 25 | 2020 | 7 |
| 35 C (95 F): Days | 32 | 6 | 2020 | 1 |
| 40 C (104 F): Days | 1 | 1 | 2020 | 1 |
| 90 F (32.2 C): Days | 57 | 16 | 2020 | 3 |
| 100 F (37.8 C): Days | 6 | 2 | 2017 | 1 |
| 0 C (32 F): Frost days (min | 39 | 26 | 1949 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 3 | 2020 | 3 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 62 | 28 | 2005 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 57 | 8 | 1958 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 18 | 2 | 1962 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1962 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1948.
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).