Oakland Threshold Days by Year (ASN00010620)

4 fixed thresholds counted per year at Oakland (ASN00010620): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oakland Thresholds

Oakland: days with 10 mm (0.39 in) or more of precipitation in 93 years, most in 1939 with 33.
Oakland: days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 1964 with 9.
Oakland: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1934 with 3.
Oakland: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Oakland.

Days with 10 mm (0.39 in) or more of precipitation

93 years with a qualifying day

Days per year at Oakland with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1939.

Days with 10 mm (0.39 in) or more of precipitation per year at Oakland
Year	Days	Decade average
1913	19	17.7
1914	5	17.7
1915	21	17.7
1916	17	17.7
1917	27	17.7
1918	22	17.7
1919	13	17.7
1920	16	18.9
1921	23	18.9
1922	15	18.9
1923	24	18.9
1924	19	18.9
1925	12	18.9
1926	28	18.9
1927	17	18.9
1928	21	18.9
1929	14	18.9
1930	21	18.4
1931	18	18.4
1932	24	18.4
1933	13	18.4
1934	17	18.4
1935	14	18.4
1936	15	18.4
1937	14	18.4
1938	15	18.4
1939	33	18.4
1940	10	17.2
1941	12	17.2
1942	18	17.2
1943	17	17.2
1944	13	17.2
1945	23	17.2
1946	28	17.2
1947	18	17.2
1948	15	17.2
1949	18	17.2
1950	13	18.4
1951	19	18.4
1952	19	18.4
1953	22	18.4
1954	15	18.4
1955	29	18.4
1956	20	18.4
1957	18	18.4
1958	17	18.4
1959	12	18.4
1960	22	19.8
1961	21	19.8
1962	18	19.8
1963	29	19.8
1964	26	19.8
1965	19	19.8
1966	18	19.8
1967	19	19.8
1968	17	19.8
1969	9	19.8
1970	12	15.5
1971	18	15.5
1972	9	15.5
1973	17	15.5
1974	23	15.5
1975	16	15.5
1976	19	15.5
1977	10	15.5
1978	19	15.5
1979	12	15.5
1980	17	15.3
1981	18	15.3
1982	17	15.3
1983	23	15.3
1984	14	15.3
1985	12	15.3
1986	15	15.3
1987	15	15.3
1988	11	15.3
1989	11	15.3
1990	14	16.3
1991	21	16.3
1992	21	16.3
1993	17	16.3
1994	9	16.3
1995	18	16.3
1996	18	16.3
1997	15	16.3
1998	11	16.3
1999	19	16.3
2000	14	12.2
2001	10	12.2
2002	9	12.2
2003	14	12.2
2004	10	12.2
2005	16	12.2

For each year, a bar from the first to the last day at Oakland meeting 10 mm (0.39 in).

First to last qualifying date each year at Oakland
Year	First date	Last date
1913	1913-01-10	1913-12-20
1914	1914-05-20	1914-07-27
1915	1915-01-04	1915-10-20
1916	1916-01-29	1916-11-23
1917	1917-04-08	1917-10-01
1918	1918-02-15	1918-10-29
1919	1919-04-16	1919-09-02
1920	1920-04-09	1920-08-30
1921	1921-02-23	1921-12-14
1922	1922-02-24	1922-08-05
1923	1923-01-20	1923-12-16
1924	1924-05-12	1924-10-18
1925	1925-01-24	1925-12-31
1926	1926-03-11	1926-11-19
1927	1927-03-13	1927-10-07
1928	1928-04-20	1928-10-21
1929	1929-02-16	1929-11-11
1930	1930-04-15	1930-12-13
1931	1931-04-09	1931-09-05
1932	1932-04-06	1932-10-21
1933	1933-03-06	1933-10-03
1934	1934-03-09	1934-11-04
1935	1935-02-01	1935-10-22
1936	1936-04-14	1936-12-18
1937	1937-04-19	1937-11-24
1938	1938-03-14	1938-11-02
1939	1939-01-24	1939-11-01
1940	1940-04-28	1940-12-03
1941	1941-04-27	1941-10-03
1942	1942-03-14	1942-09-18
1943	1943-01-31	1943-10-11
1944	1944-04-30	1944-12-07
1945	1945-03-26	1945-08-22
1946	1946-04-19	1946-11-12
1947	1947-04-17	1947-10-26
1948	1948-04-30	1948-11-15
1949	1949-01-31	1949-11-14
1950	1950-05-05	1950-10-03
1951	1951-02-22	1951-12-07
1952	1952-03-29	1952-12-18
1953	1953-02-02	1953-10-19
1954	1954-04-23	1954-08-23
1955	1955-02-06	1955-10-20
1956	1956-05-06	1956-11-28
1957	1957-01-20	1957-09-05
1958	1958-05-23	1958-11-03
1959	1959-02-07	1959-10-07
1960	1960-01-01	1960-09-23
1961	1961-01-26	1961-09-30
1962	1962-05-13	1962-12-06
1963	1963-02-20	1963-10-31
1964	1964-04-01	1964-12-19
1965	1965-05-05	1965-11-04
1966	1966-05-02	1966-10-23
1967	1967-04-22	1967-09-02
1968	1968-02-02	1968-09-10
1969	1969-03-19	1969-09-28
1970	1970-02-17	1970-10-04
1971	1971-03-27	1971-10-05
1972	1972-05-31	1972-11-24
1973	1973-05-12	1973-09-25
1974	1974-04-04	1974-10-20
1975	1975-04-01	1975-10-06
1976	1976-01-07	1976-11-11
1977	1977-05-16	1977-10-30
1978	1978-02-18	1978-12-17
1979	1979-03-21	1979-11-13
1980	1980-02-11	1980-12-31
1981	1981-04-11	1981-11-12
1982	1982-01-18	1982-10-05
1983	1983-05-03	1983-12-30
1984	1984-03-03	1984-11-06
1985	1985-04-08	1985-09-18
1986	1986-02-22	1986-11-09
1987	1987-04-08	1987-11-11
1988	1988-03-24	1988-09-28
1989	1989-01-11	1989-11-05
1990	1990-01-29	1990-09-08
1991	1991-02-26	1991-12-25
1992	1992-02-09	1992-11-19
1993	1993-02-06	1993-09-08
1994	1994-05-23	1994-09-11
1995	1995-05-10	1995-10-18
1996	1996-05-31	1996-11-07
1997	1997-02-21	1997-10-09
1998	1998-03-11	1998-12-11
1999	1999-01-23	1999-10-14
2000	2000-01-15	2000-09-06
2001	2001-05-07	2001-11-18
2002	2002-04-17	2002-10-06
2003	2003-04-12	2003-08-11
2004	2004-05-31	2004-10-21
2005	2005-03-28	2005-10-06

Every Fixed Threshold

Fixed thresholds at Oakland
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	93	33	1939	16
25 mm (0.98 in): Days with 25 mm or more rain	87	9	1964	5
50 mm (1.97 in): Days with 50 mm or more rain	22	3	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1913.

Download the Data

Data for Oakland threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Oakland Threshold Days by Year (ASN00010620)

Key Facts for Oakland Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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