Murchison Threshold Days by Year

4 fixed thresholds counted per year at Murchison (ASN00081035): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Murchison Thresholds

Murchison: days with 10 mm (0.39 in) or more of precipitation in 122 years, most in 1973 with 35.
Murchison: days with 25 mm (0.98 in) or more of precipitation in 116 years, most in 1973 with 10.
Murchison: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1939 with 3.
Murchison: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1950 with 2.
4 fixed thresholds have at least one qualifying day at Murchison.

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

122 years with a qualifying day

Days per year at Murchison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Murchison
Year	Days	Decade average
1884	13	18.2
1885	23	18.2
1886	13	18.2
1887	29	18.2
1888	10	18.2
1889	21	18.2
1890	18	17
1891	25	17
1893	19	17
1896	12	17
1897	15	17
1898	8	17
1899	22	17
1900	17	15.8
1901	11	15.8
1902	11	15.8
1903	17	15.8
1904	23	15.8
1905	16	15.8
1906	24	15.8
1907	13	15.8
1908	11	15.8
1909	15	15.8
1910	17	16.6
1911	16	16.6
1912	14	16.6
1913	14	16.6
1914	9	16.6
1915	14	16.6
1916	27	16.6
1917	23	16.6
1918	19	16.6
1919	13	16.6
1920	20	15.9
1921	24	15.9
1922	13	15.9
1923	12	15.9
1924	23	15.9
1925	10	15.9
1926	14	15.9
1927	11	15.9
1928	19	15.9
1929	13	15.9
1930	16	20.1
1931	25	20.1
1932	22	20.1
1933	16	20.1
1934	22	20.1
1935	21	20.1
1936	25	20.1
1937	14	20.1
1938	10	20.1
1939	30	20.1
1940	10	14.2
1941	15	14.2
1942	21	14.2
1943	8	14.2
1944	7	14.2
1945	15	14.2
1946	20	14.2
1947	16	14.2
1948	12	14.2
1949	18	14.2
1950	14	16.7
1951	13	16.7
1952	19	16.7
1953	13	16.7
1954	14	16.7
1955	20	16.7
1956	31	16.7
1957	13	16.7
1958	18	16.7
1959	12	16.7
1960	15	13
1961	12	13
1962	13	13
1963	15	13
1964	13	13
1965	13	13
1966	14	13
1967	9	13
1968	12	13
1969	14	13
1970	16	17.4
1971	14	17.4
1972	6	17.4
1973	35	17.4
1974	24	17.4
1975	22	17.4
1976	12	17.4
1977	8	17.4
1978	20	17.4
1988	24	22.5
1989	21	22.5
1993	18	17
1994	11	17
1995	20	17
1996	19	17
2000	12	9.8
2001	11	9.8
2002	3	9.8
2003	14	9.8
2004	7	9.8
2005	13	9.8
2006	5	9.8
2007	12	9.8
2008	12	9.8
2009	9	9.8
2010	28	16
2011	22	16
2015	9	16
2016	26	16
2017	14	16
2018	7	16
2019	6	16
2020	16	13.7
2021	15	13.7
2022	23	13.7
2023	10	13.7
2024	13	13.7
2025	8	13.7
2026	11	13.7

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

First to last qualifying date each year at Murchison
Year	First date	Last date
1884	1884-01-21	1884-11-22
1885	1885-02-07	1885-12-24
1886	1886-01-08	1886-12-07
1887	1887-01-14	1887-12-03
1888	1888-01-13	1888-12-30
1889	1889-01-03	1889-11-16
1890	1890-03-17	1890-12-08
1891	1891-01-12	1891-12-12
1893	1893-03-31	1893-11-12
1896	1896-02-24	1896-11-24
1897	1897-01-09	1897-10-22
1898	1898-02-12	1898-09-05
1899	1899-01-19	1899-11-19
1900	1900-01-04	1900-12-03
1901	1901-04-03	1901-11-26
1902	1902-03-27	1902-12-18
1903	1903-02-15	1903-12-28
1904	1904-01-02	1904-12-15
1905	1905-02-12	1905-12-31
1906	1906-02-28	1906-11-29
1907	1907-01-26	1907-12-28
1908	1908-01-10	1908-12-21
1909	1909-01-05	1909-12-01
1910	1910-01-15	1910-11-07
1911	1911-01-12	1911-12-01
1912	1912-06-09	1912-12-26
1913	1913-02-15	1913-12-23
1914	1914-01-26	1914-12-26
1915	1915-02-20	1915-10-23
1916	1916-01-29	1916-12-11
1917	1917-03-30	1917-11-15
1918	1918-01-11	1918-10-30
1919	1919-02-18	1919-12-28
1920	1920-05-11	1920-12-17
1921	1921-01-02	1921-12-23
1922	1922-01-13	1922-10-25
1923	1923-06-04	1923-10-12
1924	1924-01-04	1924-12-26
1925	1925-01-12	1925-11-20
1926	1926-03-21	1926-10-07
1927	1927-02-05	1927-12-19
1928	1928-01-19	1928-10-15
1929	1929-02-19	1929-12-27
1930	1930-03-12	1930-12-26
1931	1931-03-04	1931-11-21
1932	1932-03-07	1932-11-14
1933	1933-03-04	1933-12-15
1934	1934-01-07	1934-12-01
1935	1935-01-06	1935-11-28
1936	1936-01-04	1936-12-19
1937	1937-01-01	1937-10-18
1938	1938-01-16	1938-08-28
1939	1939-02-17	1939-11-04
1940	1940-03-19	1940-12-08
1941	1941-01-04	1941-11-05
1942	1942-01-20	1942-11-22
1943	1943-01-03	1943-11-18
1944	1944-03-10	1944-10-16
1945	1945-01-11	1945-11-16
1946	1946-01-17	1946-11-20
1947	1947-03-31	1947-12-26
1948	1948-02-14	1948-10-31
1949	1949-02-28	1949-12-20
1950	1950-02-16	1950-12-21
1951	1951-01-07	1951-11-27
1952	1952-04-17	1952-11-27
1953	1953-01-15	1953-11-05
1954	1954-01-29	1954-12-13
1955	1955-01-29	1955-11-25
1956	1956-01-11	1956-11-16
1957	1957-02-08	1957-10-23
1958	1958-02-18	1958-11-25
1959	1959-01-26	1959-12-26
1960	1960-01-09	1960-12-03
1961	1961-01-02	1961-12-14
1962	1962-01-17	1962-12-31
1963	1963-01-02	1963-12-06
1964	1964-02-12	1964-10-17
1965	1965-05-28	1965-12-08
1966	1966-02-14	1966-12-13
1967	1967-03-08	1967-08-27
1968	1968-01-21	1968-12-16
1969	1969-02-10	1969-12-02
1970	1970-01-02	1970-11-15
1971	1971-01-25	1971-12-23
1972	1972-02-16	1972-11-03
1973	1973-01-13	1973-12-30
1974	1974-01-04	1974-11-27
1975	1975-01-09	1975-12-29
1976	1976-01-09	1976-12-24
1977	1977-01-15	1977-09-13
1978	1978-01-06	1978-11-19
1988	1988-01-01	1988-12-09
1989	1989-01-05	1989-12-14
1993	1993-01-18	1993-12-22
1994	1994-02-11	1994-12-22
1995	1995-01-06	1995-11-06
1996	1996-01-02	1996-12-26
2000	2000-02-22	2000-10-24
2001	2001-02-09	2001-10-24
2002	2002-01-22	2002-06-13
2003	2003-01-01	2003-12-20
2004	2004-06-18	2004-12-11
2005	2005-02-03	2005-12-07
2006	2006-02-26	2006-09-07
2007	2007-01-20	2007-12-22
2008	2008-01-19	2008-12-28
2009	2009-03-13	2009-11-29
2010	2010-01-01	2010-12-09
2011	2011-01-10	2011-12-19
2015	2015-01-10	2015-12-26
2016	2016-01-04	2016-12-30
2017	2017-01-10	2017-12-02
2018	2018-01-30	2018-12-14
2019	2019-01-30	2019-06-30
2020	2020-01-20	2020-11-23
2021	2021-01-02	2021-12-03
2022	2022-01-31	2022-11-20
2023	2023-01-23	2023-12-26
2024	2024-01-03	2024-12-01
2025	2025-03-21	2025-12-20
2026	2026-02-25	2026-08-10

Every Fixed Threshold

Fixed thresholds at Murchison
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	122	35	1973	11
25 mm (0.98 in): Days with 25 mm or more rain	116	10	1973	3
50 mm (1.97 in): Days with 50 mm or more rain	35	3	1939	1
100 mm (3.94 in): Days with 100 mm or more rain	3	2	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

Download the Data

Data for Murchison 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).

Murchison Threshold Days by Year

Key Facts for Murchison Thresholds

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

Every Fixed Threshold

Download the Data

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