Irvinebank Threshold Days by Year

5 fixed thresholds counted per year at Irvinebank (ASN00031032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Irvinebank Thresholds

Irvinebank: days with 10 mm (0.39 in) or more of precipitation in 128 years, most in 1956 with 53.
Irvinebank: days with 25 mm (0.98 in) or more of precipitation in 128 years, most in 1956 with 25.
Irvinebank: days with 50 mm (1.97 in) or more of precipitation in 120 years, most in 2023 with 11.
Irvinebank: days with 100 mm (3.94 in) or more of precipitation in 38 years, most in 1967 with 4.
5 fixed thresholds have at least one qualifying day at Irvinebank.

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

128 years with a qualifying day

Days per year at Irvinebank with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Irvinebank
Year	Days	Decade average
1891	25	28.5
1892	27	28.5
1894	42	28.5
1895	28	28.5
1896	18	28.5
1899	31	28.5
1900	11	23.1
1901	26	23.1
1902	14	23.1
1903	38	23.1
1904	25	23.1
1905	19	23.1
1906	24	23.1
1907	19	23.1
1908	21	23.1
1909	34	23.1
1910	43	27.3
1911	33	27.3
1912	19	27.3
1913	38	27.3
1914	18	27.3
1915	12	27.3
1916	31	27.3
1917	33	27.3
1918	36	27.3
1919	10	27.3
1920	24	25.3
1921	26	25.3
1922	24	25.3
1923	15	25.3
1924	23	25.3
1925	29	25.3
1926	24	25.3
1927	27	25.3
1928	27	25.3
1929	34	25.3
1930	31	23.2
1931	13	23.2
1932	21	23.2
1933	30	23.2
1934	27	23.2
1935	12	23.2
1936	29	23.2
1937	21	23.2
1938	22	23.2
1939	26	23.2
1940	22	23.9
1941	24	23.9
1942	22	23.9
1943	25	23.9
1944	23	23.9
1945	19	23.9
1946	25	23.9
1947	26	23.9
1948	16	23.9
1949	37	23.9
1950	32	26.7
1951	23	26.7
1952	20	26.7
1953	26	26.7
1954	22	26.7
1955	34	26.7
1956	53	26.7
1957	15	26.7
1958	22	26.7
1959	20	26.7
1960	28	22.2
1961	15	22.2
1962	20	22.2
1963	27	22.2
1964	31	22.2
1965	15	22.2
1966	12	22.2
1967	25	22.2
1968	28	22.2
1969	21	22.2
1971	33	31.8
1972	40	31.8
1973	29	31.8
1974	43	31.8
1975	30	31.8
1976	35	31.8
1977	28	31.8
1978	18	31.8
1979	30	31.8
1980	23	24.3
1981	32	24.3
1982	23	24.3
1983	23	24.3
1987	18	24.3
1988	22	24.3
1989	29	24.3
1990	25	24.7
1991	31	24.7
1992	20	24.7
1993	13	24.7
1994	16	24.7
1995	23	24.7
1996	20	24.7
1997	30	24.7
1998	29	24.7
1999	40	24.7
2000	34	26.8
2001	24	26.8
2002	17	26.8
2003	22	26.8
2004	31	26.8
2005	14	26.8
2006	24	26.8
2007	30	26.8
2008	41	26.8
2009	31	26.8
2010	47	25
2012	19	25
2013	25	25
2014	15	25
2015	18	25
2016	19	25
2017	33	25
2018	27	25
2019	22	25
2020	27	33.7
2021	38	33.7
2022	27	33.7
2023	38	33.7
2024	39	33.7
2025	43	33.7
2026	24	33.7

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

First to last qualifying date each year at Irvinebank
Year	First date	Last date
1891	1891-01-03	1891-12-15
1892	1892-01-17	1892-12-30
1894	1894-01-07	1894-12-28
1895	1895-01-05	1895-12-18
1896	1896-01-19	1896-12-21
1899	1899-01-05	1899-11-25
1900	1900-01-09	1900-11-19
1901	1901-01-04	1901-10-23
1902	1902-01-07	1902-12-22
1903	1903-01-13	1903-12-30
1904	1904-01-01	1904-12-19
1905	1905-01-04	1905-12-10
1906	1906-01-12	1906-12-25
1907	1907-01-10	1907-12-30
1908	1908-01-03	1908-12-13
1909	1909-01-10	1909-12-22
1910	1910-01-06	1910-12-31
1911	1911-01-02	1911-12-26
1912	1912-01-05	1912-12-31
1913	1913-01-01	1913-12-15
1914	1914-01-20	1914-12-27
1915	1915-01-08	1915-12-23
1916	1916-01-24	1916-12-31
1917	1917-01-01	1917-12-27
1918	1918-01-02	1918-12-28
1919	1919-01-17	1919-12-31
1920	1920-01-12	1920-12-21
1921	1921-01-29	1921-12-31
1922	1922-01-01	1922-12-25
1923	1923-01-02	1923-12-28
1924	1924-01-07	1924-12-17
1925	1925-01-06	1925-12-30
1926	1926-01-02	1926-12-30
1927	1927-01-18	1927-12-15
1928	1928-01-21	1928-12-29
1929	1929-01-04	1929-12-31
1930	1930-01-01	1930-12-28
1931	1931-01-15	1931-12-24
1932	1932-01-18	1932-12-28
1933	1933-01-27	1933-12-31
1934	1934-01-01	1934-12-28
1935	1935-01-02	1935-12-16
1936	1936-01-07	1936-12-29
1937	1937-01-15	1937-12-29
1938	1938-01-01	1938-11-29
1939	1939-01-12	1939-12-26
1940	1940-01-11	1940-11-11
1941	1941-01-04	1941-12-05
1942	1942-02-05	1942-12-30
1943	1943-01-01	1943-12-29
1944	1944-01-08	1944-12-26
1945	1945-01-03	1945-12-03
1946	1946-01-07	1946-12-31
1947	1947-01-02	1947-12-29
1948	1948-01-03	1948-12-09
1949	1949-01-03	1949-12-22
1950	1950-01-10	1950-12-22
1951	1951-01-05	1951-12-26
1952	1952-01-10	1952-12-27
1953	1953-01-12	1953-12-31
1954	1954-01-04	1954-12-14
1955	1955-01-09	1955-12-18
1956	1956-01-12	1956-12-28
1957	1957-02-01	1957-12-13
1958	1958-01-20	1958-12-23
1959	1959-01-02	1959-12-29
1960	1960-01-18	1960-12-30
1961	1961-01-03	1961-12-29
1962	1962-01-06	1962-12-31
1963	1963-01-09	1963-11-30
1964	1964-01-02	1964-12-20
1965	1965-01-30	1965-12-14
1966	1966-01-05	1966-11-16
1967	1967-01-29	1967-12-23
1968	1968-01-02	1968-12-27
1969	1969-01-04	1969-12-25
1971	1971-01-09	1971-12-29
1972	1972-01-05	1972-12-18
1973	1973-01-25	1973-12-29
1974	1974-01-04	1974-12-30
1975	1975-01-10	1975-12-26
1976	1976-01-06	1976-12-30
1977	1977-01-24	1977-12-28
1978	1978-01-06	1978-12-29
1979	1979-01-03	1979-12-26
1980	1980-01-06	1980-12-31
1981	1981-01-01	1981-12-19
1982	1982-01-17	1982-12-22
1983	1983-01-01	1983-12-08
1987	1987-01-04	1987-12-30
1988	1988-02-07	1988-12-31
1989	1989-01-04	1989-12-28
1990	1990-03-04	1990-12-30
1991	1991-01-02	1991-12-11
1992	1992-01-01	1992-12-19
1993	1993-01-07	1993-11-23
1994	1994-01-11	1994-12-28
1995	1995-01-20	1995-12-08
1996	1996-01-02	1996-12-20
1997	1997-01-06	1997-12-30
1998	1998-01-09	1998-12-30
1999	1999-01-06	1999-12-28
2000	2000-01-11	2000-12-30
2001	2001-01-20	2001-12-28
2002	2002-01-07	2002-12-11
2003	2003-01-02	2003-12-29
2004	2004-01-07	2004-12-29
2005	2005-01-10	2005-12-26
2006	2006-01-09	2006-12-28
2007	2007-01-09	2007-12-28
2008	2008-01-05	2008-12-31
2009	2009-01-01	2009-12-27
2010	2010-01-01	2010-12-29
2012	2012-01-16	2012-12-27
2013	2013-01-16	2013-12-14
2014	2014-01-05	2014-12-07
2015	2015-01-16	2015-12-30
2016	2016-01-11	2016-12-31
2017	2017-01-02	2017-12-04
2018	2018-01-05	2018-12-25
2019	2019-01-26	2019-12-27
2020	2020-01-20	2020-12-31
2021	2021-01-01	2021-12-30
2022	2022-01-03	2022-12-01
2023	2023-01-02	2023-12-28
2024	2024-01-13	2024-12-29
2025	2025-01-01	2025-12-31
2026	2026-01-01	2026-03-22

Every Fixed Threshold

Fixed thresholds at Irvinebank
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	128	53	1956	24
25 mm (0.98 in): Days with 25 mm or more rain	128	25	1956	7
50 mm (1.97 in): Days with 50 mm or more rain	120	11	2023	3
100 mm (3.94 in): Days with 100 mm or more rain	38	4	1967	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1906	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1891.

Download the Data

Data for Irvinebank 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Irvinebank Threshold Days by Year

Key Facts for Irvinebank Thresholds

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

Every Fixed Threshold

Download the Data

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