Oakley Threshold Days by Year

16 fixed thresholds counted per year at Oakley (USC00106542): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oakley Thresholds

Oakley: days with a maximum temperature at or above 30 C (86 F) in 127 years, most in 1898 with 77.
Oakley: days with a maximum temperature at or above 90 F (32.2 C) in 127 years, most in 1898 with 54.
Oakley: days with a maximum temperature at or below 0 C (32 F) in 127 years, most in 1985 with 52.
Oakley: nights with a minimum temperature at or below 0 C (32 F) in 127 years, most in 1912 with 194.
16 fixed thresholds have at least one qualifying day at Oakley.

Days at or above 30 C (86 F)

127 years with a qualifying day

Days per year at Oakley with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 77 in 1898.

Days at or above 30 C (86 F) per year at Oakley
Year	Days	Decade average
1894	65	66.2
1895	57	66.2
1897	68	66.2
1898	77	66.2
1899	64	66.2
1900	50	51.7
1901	57	51.7
1902	60	51.7
1903	58	51.7
1904	43	51.7
1905	53	51.7
1906	40	51.7
1907	35	51.7
1908	59	51.7
1909	62	51.7
1910	65	50.6
1911	49	50.6
1912	31	50.6
1913	42	50.6
1914	54	50.6
1915	49	50.6
1916	54	50.6
1917	58	50.6
1918	46	50.6
1919	58	50.6
1920	50	51.8
1921	47	51.8
1922	64	51.8
1923	45	51.8
1924	53	51.8
1925	49	51.8
1926	54	51.8
1927	56	51.8
1928	46	51.8
1929	54	51.8
1930	47	56.8
1931	64	56.8
1932	55	56.8
1933	64	56.8
1935	49	56.8
1936	58	56.8
1937	57	56.8
1939	60	56.8
1941	51	46.3
1942	46	46.3
1943	49	46.3
1944	39	46.3
1945	43	46.3
1946	47	46.3
1947	46	46.3
1949	49	46.3
1950	43	47.2
1951	35	47.2
1952	37	47.2
1953	51	47.2
1954	50	47.2
1955	60	47.2
1956	42	47.2
1957	52	47.2
1958	49	47.2
1959	53	47.2
1960	52	45.5
1961	62	45.5
1962	35	45.5
1963	45	45.5
1964	44	45.5
1965	20	45.5
1966	58	45.5
1967	54	45.5
1968	41	45.5
1969	44	45.5
1970	51	33.6
1971	50	33.6
1972	37	33.6
1973	32	33.6
1974	36	33.6
1975	23	33.6
1976	20	33.6
1977	23	33.6
1978	26	33.6
1979	38	33.6
1980	17	34.6
1981	39	34.6
1982	31	34.6
1983	34	34.6
1984	35	34.6
1985	37	34.6
1986	34	34.6
1987	30	34.6
1988	53	34.6
1989	36	34.6
1990	47	37.5
1991	44	37.5
1992	43	37.5
1993	18	37.5
1994	49	37.5
1995	26	37.5
1996	34	37.5
1997	29	37.5
1998	49	37.5
1999	36	37.5
2000	38	46.1
2001	57	46.1
2002	37	46.1
2003	44	46.1
2004	44	46.1
2005	46	46.1
2006	55	46.1
2007	54	46.1
2008	40	46.1
2010	36	43.7
2011	41	43.7
2012	55	43.7
2013	62	43.7
2014	34	43.7
2015	37	43.7
2016	38	43.7
2017	50	43.7
2018	40	43.7
2019	44	43.7
2020	47	50.6
2021	63	50.6
2022	37	50.6
2023	39	50.6
2024	65	50.6
2025	47	50.6
2026	56	50.6

For each year, a bar from the first to the last day at Oakley meeting 30 C (86 F).

First to last qualifying date each year at Oakley
Year	First date	Last date
1894	1894-05-25	1894-09-23
1895	1895-05-12	1895-09-12
1897	1897-05-03	1897-09-23
1898	1898-06-07	1898-09-26
1899	1899-06-10	1899-09-29
1900	1900-05-09	1900-09-03
1901	1901-06-28	1901-10-02
1902	1902-05-26	1902-09-22
1903	1903-05-13	1903-09-21
1904	1904-06-14	1904-09-14
1905	1905-06-30	1905-09-23
1906	1906-06-11	1906-09-22
1907	1907-07-03	1907-09-24
1908	1908-06-23	1908-09-15
1909	1909-06-02	1909-08-30
1910	1910-04-24	1910-10-10
1911	1911-06-11	1911-09-04
1912	1912-06-04	1912-08-26
1913	1913-05-26	1913-09-04
1914	1914-05-30	1914-09-04
1915	1915-06-22	1915-09-21
1916	1916-06-15	1916-09-16
1917	1917-06-14	1917-09-20
1918	1918-05-03	1918-09-21
1919	1919-05-18	1919-08-30
1920	1920-06-21	1920-09-19
1921	1921-06-22	1921-10-04
1922	1922-05-24	1922-09-25
1923	1923-05-24	1923-09-12
1924	1924-05-12	1924-09-17
1925	1925-06-17	1925-09-02
1926	1926-06-04	1926-10-16
1927	1927-05-14	1927-09-21
1928	1928-05-25	1928-10-09
1929	1929-05-23	1929-09-17
1930	1930-06-06	1930-09-02
1931	1931-05-13	1931-09-17
1932	1932-05-12	1932-09-11
1933	1933-05-29	1933-09-28
1935	1935-06-07	1935-09-14
1936	1936-05-11	1936-09-01
1937	1937-05-22	1937-09-18
1939	1939-04-28	1939-09-21
1941	1941-05-11	1941-09-17
1942	1942-07-08	1942-09-26
1943	1943-05-27	1943-09-25
1944	1944-06-29	1944-09-12
1945	1945-06-20	1945-09-14
1946	1946-04-25	1946-09-25
1947	1947-05-02	1947-08-31
1949	1949-05-28	1949-09-28
1950	1950-06-05	1950-10-11
1951	1951-05-27	1951-09-10
1952	1952-06-05	1952-09-26
1953	1953-06-11	1953-09-21
1954	1954-05-08	1954-09-21
1955	1955-06-06	1955-09-13
1956	1956-06-08	1956-09-26
1957	1957-06-03	1957-09-30
1958	1958-05-18	1958-10-14
1959	1959-05-13	1959-09-11
1960	1960-05-10	1960-09-03
1961	1961-05-25	1961-08-29
1962	1962-06-23	1962-09-20
1963	1963-06-19	1963-10-03
1964	1964-05-19	1964-08-25
1965	1965-06-23	1965-08-11
1966	1966-05-03	1966-09-24
1967	1967-05-22	1967-09-28
1968	1968-06-02	1968-09-13
1969	1969-05-24	1969-09-07
1970	1970-06-03	1970-08-31
1971	1971-06-19	1971-09-10
1972	1972-05-30	1972-08-28
1973	1973-06-12	1973-09-06
1974	1974-06-12	1974-08-29
1975	1975-07-02	1975-09-07
1976	1976-06-07	1976-09-05
1977	1977-06-01	1977-09-07
1978	1978-07-01	1978-09-04
1979	1979-06-11	1979-09-16
1980	1980-06-20	1980-09-06
1981	1981-06-25	1981-09-19
1982	1982-07-12	1982-09-09
1983	1983-05-27	1983-09-13
1984	1984-05-13	1984-09-19
1985	1985-06-07	1985-08-27
1986	1986-05-27	1986-08-28
1987	1987-06-04	1987-09-23
1988	1988-05-16	1988-09-09
1989	1989-05-06	1989-09-29
1990	1990-06-09	1990-09-15
1991	1991-06-11	1991-09-26
1992	1992-04-29	1992-10-01
1993	1993-05-12	1993-10-02
1994	1994-06-05	1994-09-28
1995	1995-07-05	1995-09-15
1996	1996-06-07	1996-09-04
1997	1997-05-31	1997-09-10
1998	1998-07-02	1998-09-17
1999	1999-06-15	1999-08-26
2000	2000-06-07	2000-09-16
2001	2001-05-12	2001-09-27
2002	2002-06-14	2002-09-15
2003	2003-05-24	2003-09-04
2004	2004-06-03	2004-09-11
2005	2005-06-20	2005-09-09
2006	2006-05-17	2006-09-06
2007	2007-05-27	2007-09-13
2008	2008-05-18	2008-09-16
2010	2010-06-28	2010-10-02
2011	2011-06-21	2011-09-30
2012	2012-05-15	2012-09-15
2013	2013-06-07	2013-09-05
2014	2014-06-12	2014-09-17
2015	2015-06-09	2015-09-25
2016	2016-06-05	2016-09-01
2017	2017-05-31	2017-09-09
2018	2018-06-13	2018-09-07
2019	2019-07-06	2019-09-15
2020	2020-05-29	2020-09-17
2021	2021-06-02	2021-09-10
2022	2022-05-26	2022-09-27
2023	2023-07-01	2023-09-01
2024	2024-05-28	2024-10-04
2025	2025-05-02	2025-09-25
2026	2026-05-12	2026-08-27

Every Fixed Threshold

Fixed thresholds at Oakley
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	127	77	1898	56
35 C (95 F): Days	110	29	1898	19
40 C (104 F): Days	6	2	1931	1
90 F (32.2 C): Days	127	54	1898	40
100 F (37.8 C): Days	40	9	1901	3
0 C (32 F): Ice days (max	127	52	1985	6
0 C (32 F): Frost days (min	127	194	1912	62
-10 C (14 F): Days with min	127	70	1985	3
-20 C (-4 F): Days with min	78	20	1949	1
-30 C (-22 F): Days with min	6	3	1990	3
20 C (68 F): Tropical nights (min	53	6	2003	5
25 C (77 F): Days with min	1	1	1908	1
10 mm (0.39 in): Days with 10 mm or more rain	121	19	1907	2
25 mm (0.98 in): Days with 25 mm or more rain	44	3	1929	1
10 cm (3.9 in): Days with 10 cm or more snowfall	84	6	1922	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1910	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Oakley 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).

Oakley Threshold Days by Year

Key Facts for Oakley Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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