Coolatai (Willunga) Threshold Days by Year

5 fixed thresholds counted per year at Coolatai (Willunga) (ASN00054032): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coolatai (Willunga) Thresholds

Coolatai (Willunga): days with 10 mm (0.39 in) or more of precipitation in 117 years, most in 1921 with 41.
Coolatai (Willunga): days with 25 mm (0.98 in) or more of precipitation in 116 years, most in 1988 with 16.
Coolatai (Willunga): days with 50 mm (1.97 in) or more of precipitation in 77 years, most in 1996 with 5.
Coolatai (Willunga): days with 100 mm (3.94 in) or more of precipitation in 10 years, most in 2001 with 2.
5 fixed thresholds have at least one qualifying day at Coolatai (Willunga).

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

117 years with a qualifying day

Days per year at Coolatai (Willunga) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1921.

Days with 10 mm (0.39 in) or more of precipitation per year at Coolatai (Willunga)
Year	Days	Decade average
1904	24	24
1905	19	24
1906	29	24
1907	22	24
1908	24	24
1909	26	24
1910	31	22.4
1911	22	22.4
1912	23	22.4
1913	22	22.4
1914	29	22.4
1915	16	22.4
1916	35	22.4
1917	24	22.4
1918	14	22.4
1919	8	22.4
1920	23	22.9
1921	41	22.9
1922	16	22.9
1923	14	22.9
1924	28	22.9
1925	20	22.9
1926	18	22.9
1927	19	22.9
1928	26	22.9
1929	24	22.9
1930	22	21.8
1931	26	21.8
1932	20	21.8
1933	27	21.8
1934	32	21.8
1935	14	21.8
1936	21	21.8
1937	18	21.8
1938	19	21.8
1939	19	21.8
1940	8	17.7
1941	17	17.7
1942	17	17.7
1943	12	17.7
1944	10	17.7
1945	15	17.7
1946	16	17.7
1947	26	17.7
1948	25	17.7
1949	31	17.7
1950	31	21.8
1951	11	21.8
1952	16	21.8
1953	16	21.8
1954	22	21.8
1955	26	21.8
1956	23	21.8
1957	18	21.8
1958	28	21.8
1959	27	21.8
1960	15	19.6
1961	25	19.6
1962	28	19.6
1963	20	19.6
1964	20	19.6
1965	11	19.6
1966	12	19.6
1967	16	19.6
1968	20	19.6
1969	29	19.6
1970	27	23.5
1971	23	23.5
1972	20	23.5
1973	19	23.5
1974	16	23.5
1975	31	23.5
1976	22	23.5
1977	27	23.5
1978	35	23.5
1979	15	23.5
1980	20	24.9
1981	21	24.9
1982	15	24.9
1983	32	24.9
1984	32	24.9
1985	26	24.9
1986	23	24.9
1987	27	24.9
1988	32	24.9
1989	21	24.9
1990	17	22.9
1991	17	22.9
1992	21	22.9
1993	22	22.9
1994	11	22.9
1995	29	22.9
1996	32	22.9
1997	19	22.9
1998	37	22.9
1999	24	22.9
2000	26	19.2
2001	20	19.2
2002	9	19.2
2003	17	19.2
2004	25	19.2
2005	20	19.2
2006	10	19.2
2007	23	19.2
2008	21	19.2
2009	21	19.2
2010	23	13.4
2013	16	13.4
2017	12	13.4
2018	11	13.4
2019	5	13.4
2020	21	24.2
2021	30	24.2
2022	22	24.2
2023	17	24.2
2024	31	24.2
2025	24	24.2

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

First to last qualifying date each year at Coolatai (Willunga)
Year	First date	Last date
1904	1904-01-01	1904-12-18
1905	1905-01-15	1905-12-29
1906	1906-01-02	1906-12-25
1907	1907-01-03	1907-12-28
1908	1908-01-31	1908-12-13
1909	1909-01-21	1909-12-29
1910	1910-01-06	1910-12-27
1911	1911-01-03	1911-12-03
1912	1912-01-01	1912-11-28
1913	1913-01-04	1913-12-20
1914	1914-01-03	1914-12-30
1915	1915-01-21	1915-12-16
1916	1916-02-23	1916-12-13
1917	1917-01-20	1917-12-13
1918	1918-01-02	1918-11-27
1919	1919-01-08	1919-12-02
1920	1920-01-04	1920-12-09
1921	1921-01-06	1921-12-28
1922	1922-01-07	1922-12-17
1923	1923-01-07	1923-12-26
1924	1924-01-07	1924-11-21
1925	1925-01-02	1925-12-31
1926	1926-01-01	1926-12-26
1927	1927-01-02	1927-12-21
1928	1928-01-19	1928-12-31
1929	1929-01-10	1929-12-01
1930	1930-01-25	1930-12-17
1931	1931-01-25	1931-12-09
1932	1932-01-01	1932-12-24
1933	1933-01-15	1933-12-09
1934	1934-01-04	1934-12-29
1935	1935-01-06	1935-12-08
1936	1936-01-08	1936-12-27
1937	1937-01-02	1937-12-29
1938	1938-01-14	1938-11-29
1939	1939-01-19	1939-12-26
1940	1940-01-30	1940-12-18
1941	1941-01-03	1941-11-26
1942	1942-01-25	1942-12-30
1943	1943-01-01	1943-12-26
1944	1944-01-08	1944-09-17
1945	1945-01-04	1945-11-29
1946	1946-01-06	1946-12-07
1947	1947-01-30	1947-12-22
1948	1948-01-02	1948-12-19
1949	1949-01-09	1949-11-28
1950	1950-01-08	1950-12-31
1951	1951-01-16	1951-10-03
1952	1952-02-25	1952-10-25
1953	1953-02-16	1953-11-24
1954	1954-02-01	1954-12-25
1955	1955-01-22	1955-12-20
1956	1956-01-13	1956-12-04
1957	1957-01-07	1957-12-09
1958	1958-01-01	1958-12-26
1959	1959-01-03	1959-12-28
1960	1960-01-20	1960-12-15
1961	1961-01-02	1961-12-31
1962	1962-01-01	1962-12-25
1963	1963-03-05	1963-12-14
1964	1964-01-12	1964-11-30
1965	1965-01-23	1965-12-15
1966	1966-04-27	1966-11-08
1967	1967-01-27	1967-12-30
1968	1968-01-07	1968-12-26
1969	1969-01-02	1969-12-12
1970	1970-01-09	1970-12-30
1971	1971-01-13	1971-12-15
1972	1972-01-14	1972-12-31
1973	1973-01-05	1973-12-21
1974	1974-01-08	1974-12-28
1975	1975-01-04	1975-12-23
1976	1976-01-13	1976-11-14
1977	1977-01-11	1977-12-15
1978	1978-01-06	1978-12-27
1979	1979-03-04	1979-11-09
1980	1980-01-02	1980-12-31
1981	1981-02-05	1981-12-24
1982	1982-01-16	1982-12-30
1983	1983-01-01	1983-12-04
1984	1984-01-06	1984-12-20
1985	1985-01-26	1985-12-10
1986	1986-01-01	1986-12-01
1987	1987-01-02	1987-12-24
1988	1988-01-04	1988-12-20
1989	1989-01-02	1989-12-27
1990	1990-01-13	1990-12-01
1991	1991-01-06	1991-12-31
1992	1992-02-01	1992-12-09
1993	1993-01-23	1993-12-16
1994	1994-01-15	1994-12-26
1995	1995-01-07	1995-12-31
1996	1996-01-04	1996-12-31
1997	1997-01-19	1997-12-28
1998	1998-01-15	1998-12-21
1999	1999-01-02	1999-12-28
2000	2000-01-05	2000-12-29
2001	2001-01-17	2001-11-26
2002	2002-03-01	2002-12-24
2003	2003-02-22	2003-12-07
2004	2004-01-08	2004-12-28
2005	2005-01-21	2005-12-17
2006	2006-01-08	2006-11-04
2007	2007-02-01	2007-12-23
2008	2008-01-05	2008-12-07
2009	2009-01-21	2009-12-31
2010	2010-01-15	2010-12-23
2013	2013-01-27	2013-12-25
2017	2017-01-21	2017-12-27
2018	2018-01-26	2018-12-14
2019	2019-03-17	2019-10-12
2020	2020-01-18	2020-12-21
2021	2021-01-07	2021-12-22
2022	2022-02-03	2022-12-24
2023	2023-01-12	2023-12-26
2024	2024-01-01	2024-12-01
2025	2025-01-01	2025-12-23

Every Fixed Threshold

Fixed thresholds at Coolatai (Willunga)
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	117	41	1921	24
25 mm (0.98 in): Days with 25 mm or more rain	116	16	1988	7
50 mm (1.97 in): Days with 50 mm or more rain	77	5	1996	3
100 mm (3.94 in): Days with 100 mm or more rain	10	2	2001	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1976	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

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Data for Coolatai (Willunga) 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Coolatai (Willunga) Threshold Days by Year

Key Facts for Coolatai (Willunga) Thresholds

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

Every Fixed Threshold

Download the Data

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