Willeroo Threshold Days by Year

5 fixed thresholds counted per year at Willeroo (ASN00014921): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willeroo Thresholds

Willeroo: days with 10 mm (0.39 in) or more of precipitation in 75 years, most in 2004 with 42.
Willeroo: days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 2004 with 20.
Willeroo: days with 50 mm (1.97 in) or more of precipitation in 64 years, most in 1930 with 8.
Willeroo: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1931 with 2.
5 fixed thresholds have at least one qualifying day at Willeroo.

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

75 years with a qualifying day

Days per year at Willeroo with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 2004.

Days with 10 mm (0.39 in) or more of precipitation per year at Willeroo
Year	Days	Decade average
1910	29	23
1911	18	23
1912	25	23
1913	24	23
1914	22	23
1915	18	23
1916	26	23
1917	29	23
1918	26	23
1919	13	23
1920	17	21.7
1921	28	21.7
1923	23	21.7
1924	21	21.7
1925	17	21.7
1926	32	21.7
1927	23	21.7
1928	14	21.7
1929	20	21.7
1930	36	21.4
1931	19	21.4
1932	19	21.4
1933	16	21.4
1934	18	21.4
1935	27	21.4
1936	9	21.4
1937	25	21.4
1938	22	21.4
1939	23	21.4
1940	25	23.4
1941	23	23.4
1942	22	23.4
1943	18	23.4
1944	30	23.4
1948	21	23.4
1949	25	23.4
1954	24	24
1961	12	21
1964	18	21
1965	13	21
1967	24	21
1968	32	21
1969	27	21
1970	12	19
1971	26	19
1980	38	24.5
1981	30	24.5
1982	26	24.5
1983	12	24.5
1984	29	24.5
1985	27	24.5
1986	22	24.5
1987	22	24.5
1988	20	24.5
1989	19	24.5
1990	29	25.5
1991	30	25.5
1992	15	25.5
1996	23	25.5
1998	22	25.5
1999	34	25.5
2000	35	29.4
2001	29	29.4
2002	16	29.4
2003	30	29.4
2004	42	29.4
2005	20	29.4
2006	31	29.4
2007	24	29.4
2008	31	29.4
2009	36	29.4
2010	39	34.7
2014	33	34.7
2017	32	34.7
2022	23	23

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

First to last qualifying date each year at Willeroo
Year	First date	Last date
1910	1910-01-07	1910-12-27
1911	1911-01-07	1911-12-05
1912	1912-01-04	1912-12-29
1913	1913-01-08	1913-12-27
1914	1914-01-04	1914-12-21
1915	1915-01-06	1915-12-23
1916	1916-01-07	1916-12-31
1917	1917-01-01	1917-12-29
1918	1918-01-02	1918-12-26
1919	1919-01-04	1919-02-23
1920	1920-01-18	1920-12-23
1921	1921-01-01	1921-12-28
1923	1923-01-10	1923-12-25
1924	1924-01-05	1924-12-09
1925	1925-01-07	1925-12-21
1926	1926-01-06	1926-12-27
1927	1927-01-19	1927-12-29
1928	1928-01-18	1928-12-24
1929	1929-01-07	1929-12-31
1930	1930-01-01	1930-12-26
1931	1931-01-12	1931-12-23
1932	1932-01-15	1932-12-27
1933	1933-01-15	1933-12-27
1934	1934-01-05	1934-11-30
1935	1935-01-03	1935-12-28
1936	1936-01-03	1936-11-29
1937	1937-01-02	1937-12-25
1938	1938-01-02	1938-11-19
1939	1939-01-05	1939-12-31
1940	1940-01-04	1940-12-30
1941	1941-01-04	1941-12-31
1942	1942-01-06	1942-12-25
1943	1943-01-30	1943-12-31
1944	1944-01-01	1944-12-28
1948	1948-01-04	1948-12-16
1949	1949-01-04	1949-12-27
1954	1954-01-09	1954-12-09
1961	1961-02-05	1961-12-18
1964	1964-01-06	1964-12-28
1965	1965-01-30	1965-12-16
1967	1967-01-01	1967-12-30
1968	1968-01-01	1968-12-26
1969	1969-01-06	1969-12-22
1970	1970-01-10	1970-11-25
1971	1971-01-05	1971-12-31
1980	1980-01-02	1980-12-28
1981	1981-01-01	1981-12-27
1982	1982-01-01	1982-12-16
1983	1983-01-02	1983-12-02
1984	1984-01-01	1984-12-21
1985	1985-01-03	1985-12-31
1986	1986-01-14	1986-12-06
1987	1987-01-01	1987-11-26
1988	1988-01-03	1988-12-14
1989	1989-01-01	1989-12-29
1990	1990-01-06	1990-12-29
1991	1991-01-02	1991-12-14
1992	1992-01-01	1992-12-20
1996	1996-01-01	1996-12-31
1998	1998-01-01	1998-12-28
1999	1999-01-04	1999-12-28
2000	2000-01-01	2000-12-23
2001	2001-01-03	2001-12-13
2002	2002-01-01	2002-12-31
2003	2003-01-06	2003-12-31
2004	2004-01-01	2004-12-30
2005	2005-01-01	2005-12-29
2006	2006-01-09	2006-12-26
2007	2007-01-01	2007-12-27
2008	2008-01-02	2008-12-31
2009	2009-01-01	2009-12-22
2010	2010-01-03	2010-12-30
2014	2014-01-04	2014-12-31
2017	2017-01-01	2017-12-22
2022	2022-02-02	2022-12-31

Every Fixed Threshold

Fixed thresholds at Willeroo
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	75	42	2004	23
25 mm (0.98 in): Days with 25 mm or more rain	75	20	2004	5
50 mm (1.97 in): Days with 50 mm or more rain	64	8	1930	2
100 mm (3.94 in): Days with 100 mm or more rain	18	2	1931	1
200 mm (7.87 in): Days with 200 mm or more rain	3	1	1935	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

Data for Willeroo 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Willeroo Threshold Days by Year

Key Facts for Willeroo Thresholds

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

Every Fixed Threshold

Download the Data

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