Mundaring Threshold Days by Year

4 fixed thresholds counted per year at Mundaring (ASN00009030): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mundaring Thresholds

Mundaring: days with 10 mm (0.39 in) or more of precipitation in 95 years, most in 1926 with 54.
Mundaring: days with 25 mm (0.98 in) or more of precipitation in 95 years, most in 1926 with 21.
Mundaring: days with 50 mm (1.97 in) or more of precipitation in 65 years, most in 1934 with 4.
Mundaring: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1920 with 1.
4 fixed thresholds have at least one qualifying day at Mundaring.

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

95 years with a qualifying day

Days per year at Mundaring with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1926.

Days with 10 mm (0.39 in) or more of precipitation per year at Mundaring
Year	Days	Decade average
1911	21	34
1912	33	34
1913	40	34
1914	21	34
1915	49	34
1916	31	34
1917	48	34
1918	37	34
1919	26	34
1920	31	34.7
1921	26	34.7
1922	26	34.7
1923	43	34.7
1924	34	34.7
1925	28	34.7
1926	54	34.7
1927	41	34.7
1928	34	34.7
1929	30	34.7
1930	33	30.7
1932	35	30.7
1933	27	30.7
1934	34	30.7
1935	29	30.7
1936	26	30.7
1937	26	30.7
1938	31	30.7
1939	35	30.7
1940	22	35
1941	39	35
1942	54	35
1943	32	35
1944	27	35
1945	38	35
1946	41	35
1947	37	35
1948	36	35
1949	24	35
1950	29	32.1
1951	34	32.1
1952	32	32.1
1953	32	32.1
1954	24	32.1
1955	51	32.1
1956	32	32.1
1957	33	32.1
1958	27	32.1
1959	27	32.1
1960	37	35.4
1961	38	35.4
1962	36	35.4
1963	50	35.4
1964	39	35.4
1965	32	35.4
1967	32	35.4
1968	38	35.4
1969	17	35.4
1970	29	26.3
1971	29	26.3
1972	20	26.3
1974	30	26.3
1976	25	26.3
1978	25	26.3
1992	42	36.1
1993	35	36.1
1994	22	36.1
1995	39	36.1
1996	46	36.1
1997	33	36.1
1998	35	36.1
1999	37	36.1
2000	36	38.1
2001	22	38.1
2002	37	38.1
2003	45	38.1
2004	38	38.1
2005	43	38.1
2006	33	38.1
2007	44	38.1
2008	43	38.1
2009	40	38.1
2010	24	32
2011	46	32
2015	25	32
2016	37	32
2017	38	32
2018	28	32
2019	26	32
2020	32	29.6
2021	35	29.6
2022	32	29.6
2023	23	29.6
2024	30	29.6
2025	35	29.6
2026	20	29.6

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

First to last qualifying date each year at Mundaring
Year	First date	Last date
1911	1911-04-23	1911-10-12
1912	1912-05-05	1912-11-13
1913	1913-03-16	1913-12-07
1914	1914-02-18	1914-11-23
1915	1915-01-15	1915-10-21
1916	1916-01-29	1916-11-24
1917	1917-02-10	1917-12-20
1918	1918-01-19	1918-10-29
1919	1919-02-24	1919-12-10
1920	1920-03-29	1920-09-23
1921	1921-03-22	1921-11-04
1922	1922-03-01	1922-12-07
1923	1923-01-20	1923-12-16
1924	1924-05-05	1924-11-10
1925	1925-01-24	1925-10-24
1926	1926-02-24	1926-11-27
1927	1927-01-11	1927-10-29
1928	1928-05-20	1928-12-21
1929	1929-02-16	1929-11-11
1930	1930-03-03	1930-10-18
1932	1932-04-05	1932-10-29
1933	1933-03-07	1933-10-19
1934	1934-03-08	1934-11-06
1935	1935-04-03	1935-12-02
1936	1936-05-09	1936-10-01
1937	1937-04-23	1937-10-22
1938	1938-03-16	1938-11-02
1939	1939-02-14	1939-10-02
1940	1940-01-23	1940-12-03
1941	1941-04-22	1941-11-18
1942	1942-03-01	1942-12-21
1943	1943-01-31	1943-10-14
1944	1944-04-30	1944-12-15
1945	1945-03-26	1945-12-25
1946	1946-03-21	1946-11-15
1947	1947-03-06	1947-11-19
1948	1948-03-22	1948-12-24
1949	1949-03-12	1949-10-14
1950	1950-05-05	1950-11-08
1951	1951-02-14	1951-12-07
1952	1952-02-13	1952-12-18
1953	1953-02-02	1953-11-16
1954	1954-01-15	1954-11-11
1955	1955-02-15	1955-12-29
1956	1956-03-05	1956-11-29
1957	1957-04-22	1957-10-21
1958	1958-05-08	1958-12-22
1959	1959-03-01	1959-12-31
1960	1960-01-01	1960-09-23
1961	1961-03-28	1961-12-16
1962	1962-01-01	1962-11-09
1963	1963-01-30	1963-10-31
1964	1964-04-02	1964-12-19
1965	1965-05-01	1965-12-01
1967	1967-04-11	1967-12-09
1968	1968-01-08	1968-10-21
1969	1969-03-19	1969-12-10
1970	1970-02-07	1970-11-04
1971	1971-01-31	1971-10-19
1972	1972-04-20	1972-10-28
1974	1974-04-03	1974-11-14
1976	1976-01-07	1976-11-12
1978	1978-02-24	1978-10-01
1992	1992-04-28	1992-11-20
1993	1993-02-06	1993-10-27
1994	1994-05-23	1994-09-30
1995	1995-02-24	1995-11-27
1996	1996-04-20	1996-12-12
1997	1997-02-23	1997-11-22
1998	1998-03-10	1998-12-01
1999	1999-01-23	1999-12-30
2000	2000-01-15	2000-11-27
2001	2001-05-06	2001-11-19
2002	2002-01-15	2002-11-01
2003	2003-03-30	2003-11-25
2004	2004-05-08	2004-11-17
2005	2005-03-28	2005-12-11
2006	2006-01-13	2006-11-29
2007	2007-01-03	2007-12-17
2008	2008-02-07	2008-12-21
2009	2009-02-01	2009-11-19
2010	2010-03-23	2010-12-20
2011	2011-01-06	2011-12-13
2015	2015-02-03	2015-12-06
2016	2016-01-20	2016-12-12
2017	2017-01-30	2017-12-18
2018	2018-01-16	2018-10-14
2019	2019-04-16	2019-11-02
2020	2020-02-28	2020-11-30
2021	2021-02-07	2021-10-27
2022	2022-04-11	2022-11-18
2023	2023-03-31	2023-10-02
2024	2024-01-17	2024-10-21
2025	2025-03-14	2025-12-15
2026	2026-03-28	2026-08-27

Every Fixed Threshold

Fixed thresholds at Mundaring
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	54	1926	20
25 mm (0.98 in): Days with 25 mm or more rain	95	21	1926	4
50 mm (1.97 in): Days with 50 mm or more rain	65	4	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1920	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Mundaring 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Mundaring Threshold Days by Year

Key Facts for Mundaring Thresholds

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

Every Fixed Threshold

Download the Data

Related