Coorow Threshold Days by Year

4 fixed thresholds counted per year at Coorow (ASN00008037): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coorow Thresholds

Coorow: days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1963 with 24.
Coorow: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1917 with 8.
Coorow: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1916 with 2.
Coorow: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1961 with 1.
4 fixed thresholds have at least one qualifying day at Coorow.

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

95 years with a qualifying day

Days per year at Coorow with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Coorow
Year	Days	Decade average
1915	15	15.4
1916	15	15.4
1917	19	15.4
1918	19	15.4
1919	9	15.4
1920	11	10.8
1921	13	10.8
1922	5	10.8
1923	16	10.8
1924	13	10.8
1925	12	10.8
1926	10	10.8
1927	9	10.8
1928	9	10.8
1929	10	10.8
1931	11	10.3
1932	14	10.3
1933	15	10.3
1934	12	10.3
1935	8	10.3
1936	5	10.3
1937	7	10.3
1938	7	10.3
1939	14	10.3
1940	7	9.9
1941	11	9.9
1942	7	9.9
1943	10	9.9
1944	9	9.9
1945	13	9.9
1946	9	9.9
1947	13	9.9
1948	9	9.9
1949	11	9.9
1950	7	11.8
1953	11	11.8
1954	8	11.8
1955	17	11.8
1956	9	11.8
1957	12	11.8
1958	19	11.8
1959	11	11.8
1960	12	13
1961	9	13
1962	10	13
1963	24	13
1964	16	13
1965	13	13
1966	13	13
1967	13	13
1968	15	13
1969	5	13
1970	12	10.4
1971	5	10.4
1972	13	10.4
1973	14	10.4
1974	12	10.4
1975	15	10.4
1976	2	10.4
1984	8	9.3
1987	13	9.3
1988	11	9.3
1989	5	9.3
1990	12	11.3
1991	12	11.3
1992	14	11.3
1993	8	11.3
1994	7	11.3
1995	12	11.3
1996	11	11.3
1997	10	11.3
1998	7	11.3
1999	20	11.3
2000	4	6.3
2002	2	6.3
2003	4	6.3
2004	9	6.3
2005	12	6.3
2006	5	6.3
2007	2	6.3
2008	12	6.3
2011	14	8.1
2012	7	8.1
2015	10	8.1
2016	11	8.1
2017	3	8.1
2018	6	8.1
2019	6	8.1
2020	8	11.4
2021	19	11.4
2022	11	11.4
2023	4	11.4
2024	11	11.4
2025	14	11.4
2026	13	11.4

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

First to last qualifying date each year at Coorow
Year	First date	Last date
1915	1915-01-06	1915-12-16
1916	1916-01-21	1916-10-04
1917	1917-03-01	1917-12-09
1918	1918-02-17	1918-10-28
1919	1919-05-03	1919-11-02
1920	1920-03-12	1920-09-11
1921	1921-02-19	1921-09-17
1922	1922-05-28	1922-08-25
1923	1923-03-24	1923-09-01
1924	1924-02-09	1924-12-23
1925	1925-01-23	1925-09-25
1926	1926-04-16	1926-11-19
1927	1927-03-14	1927-08-17
1928	1928-04-20	1928-08-08
1929	1929-02-15	1929-07-15
1931	1931-05-04	1931-12-25
1932	1932-01-29	1932-10-29
1933	1933-02-06	1933-10-03
1934	1934-01-15	1934-08-23
1935	1935-01-06	1935-08-29
1936	1936-05-22	1936-10-01
1937	1937-04-19	1937-08-30
1938	1938-03-15	1938-11-02
1939	1939-02-13	1939-10-04
1940	1940-05-14	1940-12-03
1941	1941-04-05	1941-11-13
1942	1942-03-17	1942-07-07
1943	1943-01-31	1943-12-08
1944	1944-05-18	1944-07-26
1945	1945-03-26	1945-11-10
1946	1946-02-05	1946-07-28
1947	1947-01-18	1947-10-27
1948	1948-04-30	1948-11-15
1949	1949-02-10	1949-10-04
1950	1950-05-27	1950-08-29
1953	1953-03-24	1953-07-13
1954	1954-01-19	1954-07-12
1955	1955-01-11	1955-10-05
1956	1956-05-07	1956-07-30
1957	1957-01-23	1957-12-14
1958	1958-05-13	1958-11-03
1959	1959-03-01	1959-08-19
1960	1960-01-01	1960-07-23
1961	1961-01-26	1961-08-31
1962	1962-05-24	1962-09-04
1963	1963-01-30	1963-09-02
1964	1964-02-24	1964-11-20
1965	1965-03-26	1965-10-05
1966	1966-02-09	1966-10-24
1967	1967-01-23	1967-12-11
1968	1968-01-27	1968-09-10
1969	1969-05-19	1969-11-03
1970	1970-02-16	1970-09-07
1971	1971-03-19	1971-10-21
1972	1972-05-31	1972-09-28
1973	1973-05-12	1973-11-23
1974	1974-02-02	1974-08-12
1975	1975-02-28	1975-10-15
1976	1976-01-06	1976-02-29
1984	1984-02-28	1984-07-04
1987	1987-04-26	1987-11-30
1988	1988-03-24	1988-12-28
1989	1989-02-25	1989-06-14
1990	1990-01-28	1990-10-06
1991	1991-01-07	1991-12-24
1992	1992-02-02	1992-09-19
1993	1993-05-01	1993-08-12
1994	1994-05-23	1994-09-11
1995	1995-01-13	1995-10-18
1996	1996-02-08	1996-11-06
1997	1997-03-09	1997-09-11
1998	1998-05-27	1998-12-07
1999	1999-03-19	1999-12-29
2000	2000-03-10	2000-12-15
2002	2002-05-07	2002-08-09
2003	2003-05-09	2003-08-22
2004	2004-01-06	2004-08-12
2005	2005-03-18	2005-09-06
2006	2006-01-12	2006-09-08
2007	2007-07-03	2007-07-24
2008	2008-02-21	2008-10-25
2011	2011-01-06	2011-12-12
2012	2012-06-07	2012-11-02
2015	2015-01-30	2015-11-07
2016	2016-01-18	2016-09-12
2017	2017-02-14	2017-08-09
2018	2018-02-26	2018-08-29
2019	2019-06-07	2019-10-12
2020	2020-02-14	2020-11-06
2021	2021-02-03	2021-11-09
2022	2022-03-28	2022-09-05
2023	2023-06-01	2023-09-14
2024	2024-02-25	2024-08-19
2025	2025-05-30	2025-11-19
2026	2026-02-10	2026-08-24

Every Fixed Threshold

Fixed thresholds at Coorow
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	95	24	1963	13
25 mm (0.98 in): Days with 25 mm or more rain	72	8	1917	4
50 mm (1.97 in): Days with 50 mm or more rain	20	2	1916	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1961	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Coorow 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).

Coorow Threshold Days by Year

Key Facts for Coorow Thresholds

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

Every Fixed Threshold

Download the Data

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