Malmsbury Reservoir Threshold Days by Year (ASN00088042)

4 fixed thresholds counted per year at Malmsbury Reservoir (ASN00088042): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Malmsbury Reservoir Thresholds

Malmsbury Reservoir: days with 10 mm (0.39 in) or more of precipitation in 135 years, most in 1973 with 40.
Malmsbury Reservoir: days with 25 mm (0.98 in) or more of precipitation in 126 years, most in 1973 with 11.
Malmsbury Reservoir: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1949 with 3.
Malmsbury Reservoir: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1946 with 1.
4 fixed thresholds have at least one qualifying day at Malmsbury Reservoir.

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

135 years with a qualifying day

Days per year at Malmsbury Reservoir with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 40 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Malmsbury Reservoir
Year	Days	Decade average
1873	24	25.5
1874	27	25.5
1875	36	25.5
1876	15	25.5
1893	19	16.1
1894	19	16.1
1895	17	16.1
1896	8	16.1
1897	14	16.1
1898	20	16.1
1899	16	16.1
1900	21	22
1901	20	22
1902	12	22
1903	29	22
1904	27	22
1905	24	22
1907	22	22
1908	16	22
1909	27	22
1910	30	22.6
1911	28	22.6
1912	26	22.6
1913	18	22.6
1914	11	22.6
1915	20	22.6
1916	27	22.6
1917	32	22.6
1918	19	22.6
1919	15	22.6
1920	25	21.6
1921	28	21.6
1922	14	21.6
1923	19	21.6
1924	33	21.6
1925	15	21.6
1926	18	21.6
1927	14	21.6
1928	30	21.6
1929	20	21.6
1930	27	20.8
1931	24	20.8
1932	25	20.8
1933	23	20.8
1934	22	20.8
1935	20	20.8
1936	18	20.8
1937	12	20.8
1938	10	20.8
1939	27	20.8
1940	14	17.9
1941	20	17.9
1942	22	17.9
1943	13	17.9
1944	8	17.9
1945	17	17.9
1946	19	17.9
1947	30	17.9
1948	17	17.9
1949	19	17.9
1950	25	24.4
1951	22	24.4
1952	27	24.4
1953	23	24.4
1954	22	24.4
1955	24	24.4
1956	36	24.4
1957	15	24.4
1958	32	24.4
1959	18	24.4
1960	35	22.4
1961	21	22.4
1962	22	22.4
1963	26	22.4
1964	30	22.4
1965	22	22.4
1966	22	22.4
1967	6	22.4
1968	24	22.4
1969	16	22.4
1970	23	25.9
1971	30	25.9
1972	17	25.9
1973	40	25.9
1974	34	25.9
1975	28	25.9
1976	23	25.9
1977	20	25.9
1978	22	25.9
1979	22	25.9
1980	22	26.1
1981	33	26.1
1982	8	26.1
1983	34	26.1
1984	26	26.1
1985	27	26.1
1986	27	26.1
1987	28	26.1
1988	29	26.1
1989	27	26.1
1990	24	23.3
1991	31	23.3
1992	30	23.3
1993	33	23.3
1994	6	23.3
1995	20	23.3
1996	34	23.3
1997	18	23.3
1998	14	23.3
1999	23	23.3
2000	22	17
2001	18	17
2002	14	17
2003	18	17
2004	19	17
2005	18	17
2006	11	17
2007	20	17
2008	14	17
2009	16	17
2010	39	21.7
2011	23	21.7
2012	14	21.7
2013	23	21.7
2015	11	21.7
2016	32	21.7
2017	16	21.7
2018	19	21.7
2019	18	21.7
2020	27	23.7
2021	24	23.7
2022	35	23.7
2023	21	23.7
2024	17	23.7
2025	18	23.7

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

First to last qualifying date each year at Malmsbury Reservoir
Year	First date	Last date
1873	1873-01-06	1873-11-13
1874	1874-01-12	1874-11-14
1875	1875-01-23	1875-12-27
1876	1876-01-07	1876-11-21
1893	1893-03-31	1893-12-26
1894	1894-04-01	1894-12-15
1895	1895-01-04	1895-12-16
1896	1896-03-15	1896-07-21
1897	1897-01-09	1897-12-24
1898	1898-02-12	1898-11-22
1899	1899-02-26	1899-11-24
1900	1900-01-04	1900-12-03
1901	1901-01-12	1901-11-15
1902	1902-03-26	1902-12-20
1903	1903-02-16	1903-12-29
1904	1904-01-03	1904-11-04
1905	1905-01-03	1905-12-31
1907	1907-01-26	1907-12-28
1908	1908-03-09	1908-11-22
1909	1909-01-04	1909-12-01
1910	1910-02-24	1910-12-27
1911	1911-02-05	1911-12-13
1912	1912-02-08	1912-12-26
1913	1913-02-15	1913-12-31
1914	1914-03-13	1914-12-26
1915	1915-01-20	1915-12-29
1916	1916-01-28	1916-12-12
1917	1917-01-22	1917-12-31
1918	1918-01-15	1918-09-03
1919	1919-02-18	1919-12-28
1920	1920-01-27	1920-12-17
1921	1921-01-02	1921-11-15
1922	1922-01-13	1922-12-26
1923	1923-05-08	1923-11-17
1924	1924-01-03	1924-12-26
1925	1925-01-13	1925-09-17
1926	1926-01-08	1926-11-17
1927	1927-01-17	1927-12-10
1928	1928-01-18	1928-12-23
1929	1929-01-31	1929-12-27
1930	1930-02-21	1930-12-25
1931	1931-01-02	1931-11-17
1932	1932-02-10	1932-12-16
1933	1933-03-30	1933-12-26
1934	1934-02-18	1934-12-01
1935	1935-01-05	1935-12-26
1936	1936-04-07	1936-12-29
1937	1937-01-19	1937-12-04
1938	1938-01-16	1938-07-30
1939	1939-01-16	1939-11-16
1940	1940-01-06	1940-12-28
1941	1941-01-04	1941-11-21
1942	1942-01-20	1942-11-22
1943	1943-01-03	1943-11-18
1944	1944-03-21	1944-12-21
1945	1945-02-21	1945-11-17
1946	1946-01-17	1946-11-13
1947	1947-02-05	1947-12-23
1948	1948-01-05	1948-12-29
1949	1949-02-21	1949-11-29
1950	1950-02-01	1950-12-20
1951	1951-02-18	1951-10-25
1952	1952-01-05	1952-12-11
1953	1953-01-15	1953-12-07
1954	1954-01-30	1954-12-12
1955	1955-01-28	1955-11-25
1956	1956-01-03	1956-12-03
1957	1957-02-07	1957-12-26
1958	1958-01-30	1958-11-30
1959	1959-01-26	1959-12-26
1960	1960-01-09	1960-12-03
1961	1961-01-01	1961-12-15
1962	1962-01-17	1962-11-11
1963	1963-01-14	1963-10-29
1964	1964-02-12	1964-12-29
1965	1965-04-22	1965-12-08
1966	1966-01-13	1966-12-25
1967	1967-05-19	1967-12-18
1968	1968-01-21	1968-12-16
1969	1969-02-04	1969-12-02
1970	1970-01-02	1970-12-28
1971	1971-01-30	1971-12-23
1972	1972-01-12	1972-10-12
1973	1973-01-13	1973-12-16
1974	1974-01-04	1974-11-18
1975	1975-01-11	1975-12-30
1976	1976-02-01	1976-12-24
1977	1977-01-15	1977-11-28
1978	1978-01-06	1978-12-25
1979	1979-01-17	1979-11-12
1980	1980-01-04	1980-12-14
1981	1981-01-09	1981-12-12
1982	1982-01-25	1982-08-11
1983	1983-03-22	1983-12-01
1984	1984-01-01	1984-11-11
1985	1985-01-03	1985-12-16
1986	1986-01-16	1986-12-17
1987	1987-02-21	1987-12-28
1988	1988-01-01	1988-12-26
1989	1989-01-04	1989-10-31
1990	1990-02-01	1990-12-20
1991	1991-01-05	1991-12-31
1992	1992-04-07	1992-12-21
1993	1993-01-18	1993-12-23
1994	1994-01-08	1994-06-26
1995	1995-01-20	1995-11-22
1996	1996-01-01	1996-12-25
1997	1997-01-23	1997-11-14
1998	1998-01-10	1998-11-28
1999	1999-02-13	1999-12-28
2000	2000-01-27	2000-12-23
2001	2001-01-25	2001-11-24
2002	2002-01-02	2002-12-31
2003	2003-01-01	2003-12-22
2004	2004-01-08	2004-12-13
2005	2005-01-27	2005-12-07
2006	2006-02-26	2006-12-31
2007	2007-01-01	2007-12-22
2008	2008-01-19	2008-12-13
2009	2009-04-26	2009-12-18
2010	2010-01-01	2010-12-09
2011	2011-01-11	2011-12-19
2012	2012-02-27	2012-09-29
2013	2013-02-26	2013-12-04
2015	2015-01-10	2015-12-26
2016	2016-03-18	2016-12-30
2017	2017-01-20	2017-12-02
2018	2018-01-27	2018-12-14
2019	2019-01-31	2019-12-02
2020	2020-01-16	2020-12-22
2021	2021-01-26	2021-11-13
2022	2022-01-08	2022-12-12
2023	2023-03-06	2023-12-26
2024	2024-01-03	2024-12-03
2025	2025-01-07	2025-12-22

Every Fixed Threshold

Fixed thresholds at Malmsbury Reservoir
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	135	40	1973	18
25 mm (0.98 in): Days with 25 mm or more rain	126	11	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	50	3	1949	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1946	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1873.

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Data for Malmsbury Reservoir 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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

Malmsbury Reservoir Threshold Days by Year (ASN00088042)

Key Facts for Malmsbury Reservoir Thresholds

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

Every Fixed Threshold

Download the Data

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