Mallan (Niemur Valley) Threshold Days by Year (ASN00075020)

3 fixed thresholds counted per year at Mallan (Niemur Valley) (ASN00075020): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mallan (Niemur Valley) Thresholds

Mallan (Niemur Valley): days with 10 mm (0.39 in) or more of precipitation in 124 years, most in 1973 with 23.
Mallan (Niemur Valley): days with 25 mm (0.98 in) or more of precipitation in 99 years, most in 1889 with 6.
Mallan (Niemur Valley): days with 50 mm (1.97 in) or more of precipitation in 25 years, most in 1894 with 2.
3 fixed thresholds have at least one qualifying day at Mallan (Niemur Valley).

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

124 years with a qualifying day

Days per year at Mallan (Niemur Valley) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Mallan (Niemur Valley)
Year	Days	Decade average
1886	11	11.8
1887	15	11.8
1888	4	11.8
1889	17	11.8
1890	12	9.3
1891	13	9.3
1892	10	9.3
1893	7	9.3
1894	13	9.3
1895	8	9.3
1896	8	9.3
1897	5	9.3
1898	7	9.3
1899	10	9.3
1900	8	9
1901	3	9
1902	7	9
1903	15	9
1904	12	9
1905	6	9
1906	15	9
1907	7	9
1908	9	9
1909	8	9
1910	9	10.8
1911	15	10.8
1912	10	10.8
1913	8	10.8
1914	6	10.8
1915	9	10.8
1916	15	10.8
1917	18	10.8
1918	11	10.8
1919	7	10.8
1920	13	8.1
1921	15	8.1
1922	3	8.1
1923	7	8.1
1924	9	8.1
1925	4	8.1
1926	7	8.1
1927	3	8.1
1928	12	8.1
1929	8	8.1
1931	11	10
1932	14	10
1933	9	10
1934	12	10
1935	8	10
1936	9	10
1937	8	10
1938	3	10
1939	16	10
1940	5	8.9
1941	9	8.9
1942	12	8.9
1943	3	8.9
1944	4	8.9
1945	10	8.9
1946	13	8.9
1947	9	8.9
1948	7	8.9
1949	17	8.9
1950	12	11
1951	12	11
1952	9	11
1953	9	11
1954	11	11
1955	12	11
1956	21	11
1957	8	11
1958	11	11
1959	5	11
1960	15	9.3
1961	8	9.3
1962	4	9.3
1963	12	9.3
1964	10	9.3
1965	10	9.3
1966	9	9.3
1967	2	9.3
1968	7	9.3
1969	16	9.3
1970	11	11
1971	9	11
1972	3	11
1973	23	11
1974	14	11
1975	14	11
1976	9	11
1977	7	11
1978	10	11
1979	10	11
1980	8	9.4
1981	13	9.4
1982	2	9.4
1983	16	9.4
1984	10	9.4
1985	6	9.4
1986	14	9.4
1987	7	9.4
1988	11	9.4
1989	7	9.4
1990	6	9.3
1991	10	9.3
1992	17	9.3
1993	13	9.3
1994	7	9.3
1995	7	9.3
1996	5	9.3
1997	10	9.3
1998	10	9.3
1999	8	9.3
2000	13	8.1
2001	7	8.1
2002	6	8.1
2003	12	8.1
2004	7	8.1
2005	13	8.1
2006	5	8.1
2007	8	8.1
2008	5	8.1
2009	5	8.1
2010	20	20

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

First to last qualifying date each year at Mallan (Niemur Valley)
Year	First date	Last date
1886	1886-01-07	1886-12-04
1887	1887-02-15	1887-12-01
1888	1888-02-24	1888-09-21
1889	1889-01-03	1889-11-17
1890	1890-02-13	1890-11-14
1891	1891-01-10	1891-10-30
1892	1892-05-17	1892-11-09
1893	1893-03-31	1893-11-12
1894	1894-03-05	1894-12-27
1895	1895-01-04	1895-10-02
1896	1896-02-24	1896-12-02
1897	1897-01-09	1897-08-14
1898	1898-02-28	1898-12-24
1899	1899-02-26	1899-11-08
1900	1900-03-20	1900-11-17
1901	1901-04-04	1901-08-26
1902	1902-03-27	1902-12-19
1903	1903-02-03	1903-12-28
1904	1904-01-03	1904-11-02
1905	1905-01-03	1905-05-28
1906	1906-02-28	1906-12-18
1907	1907-05-22	1907-12-28
1908	1908-02-22	1908-10-08
1909	1909-02-25	1909-08-20
1910	1910-01-14	1910-11-04
1911	1911-02-09	1911-12-12
1912	1912-06-10	1912-12-02
1913	1913-03-05	1913-10-28
1914	1914-02-28	1914-12-23
1915	1915-05-14	1915-10-23
1916	1916-01-29	1916-12-09
1917	1917-02-21	1917-11-22
1918	1918-01-30	1918-08-09
1919	1919-02-10	1919-12-25
1920	1920-07-08	1920-12-27
1921	1921-02-22	1921-12-23
1922	1922-06-05	1922-12-06
1923	1923-06-03	1923-07-31
1924	1924-01-03	1924-12-15
1925	1925-02-08	1925-09-12
1926	1926-03-21	1926-09-28
1927	1927-07-07	1927-10-20
1928	1928-01-18	1928-12-10
1929	1929-02-22	1929-12-27
1931	1931-03-13	1931-07-12
1932	1932-02-09	1932-12-16
1933	1933-01-24	1933-12-05
1934	1934-02-18	1934-11-25
1935	1935-01-05	1935-12-25
1936	1936-01-08	1936-12-31
1937	1937-01-19	1937-11-04
1938	1938-01-15	1938-08-24
1939	1939-02-21	1939-11-03
1940	1940-01-05	1940-12-02
1941	1941-01-03	1941-11-04
1942	1942-01-15	1942-11-21
1943	1943-02-18	1943-11-18
1944	1944-04-09	1944-12-21
1945	1945-02-20	1945-12-27
1946	1946-01-18	1946-12-28
1947	1947-02-13	1947-12-02
1948	1948-02-15	1948-10-11
1949	1949-02-21	1949-11-12
1950	1950-02-03	1950-11-25
1951	1951-01-07	1951-07-15
1952	1952-04-17	1952-11-26
1953	1953-01-15	1953-10-21
1954	1954-01-16	1954-12-12
1955	1955-02-11	1955-12-03
1956	1956-01-19	1956-10-18
1957	1957-02-07	1957-12-29
1958	1958-01-30	1958-11-30
1959	1959-09-19	1959-12-24
1960	1960-01-04	1960-12-02
1961	1961-03-27	1961-12-14
1962	1962-01-17	1962-12-27
1963	1963-01-02	1963-12-10
1964	1964-01-09	1964-11-19
1965	1965-05-31	1965-11-25
1966	1966-01-13	1966-12-13
1967	1967-05-19	1967-08-19
1968	1968-01-21	1968-12-16
1969	1969-02-10	1969-11-15
1970	1970-01-02	1970-11-16
1971	1971-02-05	1971-11-29
1972	1972-02-17	1972-08-02
1973	1973-01-31	1973-12-30
1974	1974-01-04	1974-10-04
1975	1975-03-10	1975-12-29
1976	1976-01-12	1976-12-23
1977	1977-01-15	1977-09-11
1978	1978-01-24	1978-11-19
1979	1979-01-17	1979-09-29
1980	1980-04-19	1980-10-24
1981	1981-01-10	1981-10-03
1982	1982-01-26	1982-03-17
1983	1983-03-05	1983-12-31
1984	1984-01-02	1984-11-02
1985	1985-05-29	1985-12-09
1986	1986-02-21	1986-12-07
1987	1987-01-04	1987-12-28
1988	1988-01-01	1988-12-26
1989	1989-01-17	1989-05-10
1990	1990-02-10	1990-07-18
1991	1991-01-06	1991-12-14
1992	1992-05-09	1992-12-26
1993	1993-01-03	1993-12-22
1994	1994-02-10	1994-07-31
1995	1995-01-17	1995-12-31
1996	1996-01-08	1996-09-30
1997	1997-01-28	1997-12-14
1998	1998-01-10	1998-11-12
1999	1999-05-30	1999-12-28
2000	2000-02-22	2000-11-13
2001	2001-02-05	2001-08-26
2002	2002-01-22	2002-12-31
2003	2003-02-21	2003-12-22
2004	2004-06-10	2004-12-12
2005	2005-02-02	2005-12-03
2006	2006-04-29	2006-09-06
2007	2007-01-01	2007-12-22
2008	2008-01-19	2008-12-13
2009	2009-04-27	2009-11-29
2010	2010-01-01	2010-12-19

Every Fixed Threshold

Fixed thresholds at Mallan (Niemur Valley)
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	124	23	1973	20
25 mm (0.98 in): Days with 25 mm or more rain	99	6	1889	5
50 mm (1.97 in): Days with 50 mm or more rain	25	2	1894	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

Download the Data

Data for Mallan (Niemur Valley) 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).

Mallan (Niemur Valley) Threshold Days by Year (ASN00075020)

Key Facts for Mallan (Niemur Valley) Thresholds

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

Every Fixed Threshold

Download the Data

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