Marriwood Threshold Days by Year

4 fixed thresholds counted per year at Marriwood (ASN00009629): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marriwood Thresholds

Marriwood: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1963 with 49.
Marriwood: days with 25 mm (0.98 in) or more of precipitation in 63 years, most in 1999 with 14.
Marriwood: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1965 with 4.
Marriwood: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1985 with 1.
4 fixed thresholds have at least one qualifying day at Marriwood.

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

63 years with a qualifying day

Days per year at Marriwood with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Marriwood
Year	Days	Decade average
1959	28	28
1960	28	34
1961	37	34
1962	23	34
1963	49	34
1964	46	34
1965	38	34
1966	31	34
1967	35	34
1968	32	34
1969	21	34
1970	37	30.2
1971	33	30.2
1972	23	30.2
1973	36	30.2
1974	39	30.2
1975	23	30.2
1976	30	30.2
1977	27	30.2
1978	32	30.2
1979	22	30.2
1980	33	29.9
1981	29	29.9
1982	27	29.9
1983	35	29.9
1984	35	29.9
1985	26	29.9
1986	27	29.9
1987	21	29.9
1988	36	29.9
1990	36	32.7
1991	32	32.7
1992	32	32.7
1993	31	32.7
1994	24	32.7
1995	29	32.7
1996	42	32.7
1997	29	32.7
1998	35	32.7
1999	37	32.7
2000	26	26.7
2001	18	26.7
2002	31	26.7
2003	31	26.7
2004	29	26.7
2005	32	26.7
2006	18	26.7
2007	31	26.7
2008	25	26.7
2009	26	26.7
2010	13	22.9
2011	27	22.9
2012	23	22.9
2013	30	22.9
2014	28	22.9
2015	23	22.9
2017	23	22.9
2018	19	22.9
2019	20	22.9
2020	24	23
2021	25	23
2024	22	23
2026	21	23

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

First to last qualifying date each year at Marriwood
Year	First date	Last date
1959	1959-04-11	1959-12-31
1960	1960-01-01	1960-09-23
1961	1961-01-26	1961-12-15
1962	1962-05-12	1962-11-09
1963	1963-01-10	1963-10-17
1964	1964-04-11	1964-12-19
1965	1965-03-26	1965-12-20
1966	1966-04-20	1966-12-27
1967	1967-04-22	1967-11-27
1968	1968-01-07	1968-10-20
1969	1969-03-13	1969-12-09
1970	1970-02-05	1970-10-06
1971	1971-02-06	1971-11-23
1972	1972-04-20	1972-10-28
1973	1973-04-09	1973-11-01
1974	1974-04-14	1974-10-30
1975	1975-05-19	1975-09-26
1976	1976-01-07	1976-11-28
1977	1977-05-07	1977-10-27
1978	1978-02-18	1978-12-22
1979	1979-04-18	1979-11-14
1980	1980-02-11	1980-12-31
1981	1981-03-06	1981-12-10
1982	1982-01-21	1982-12-11
1983	1983-02-05	1983-11-07
1984	1984-04-11	1984-12-28
1985	1985-03-08	1985-11-08
1986	1986-02-21	1986-11-09
1987	1987-04-08	1987-11-29
1988	1988-04-29	1988-11-07
1990	1990-03-26	1990-11-17
1991	1991-04-10	1991-11-13
1992	1992-03-18	1992-11-19
1993	1993-03-19	1993-11-10
1994	1994-05-16	1994-10-14
1995	1995-05-10	1995-12-24
1996	1996-05-08	1996-12-12
1997	1997-02-20	1997-11-21
1998	1998-03-09	1998-10-16
1999	1999-03-20	1999-12-20
2000	2000-01-15	2000-11-08
2001	2001-05-06	2001-12-04
2002	2002-05-03	2002-11-01
2003	2003-02-16	2003-12-18
2004	2004-04-13	2004-10-21
2005	2005-04-01	2005-11-27
2006	2006-01-25	2006-11-29
2007	2007-01-03	2007-12-17
2008	2008-04-01	2008-11-06
2009	2009-02-26	2009-11-13
2010	2010-04-14	2010-11-10
2011	2011-01-06	2011-12-13
2012	2012-04-02	2012-12-13
2013	2013-03-15	2013-11-30
2014	2014-04-28	2014-10-05
2015	2015-03-14	2015-10-31
2017	2017-02-10	2017-12-18
2018	2018-01-16	2018-10-14
2019	2019-03-08	2019-11-01
2020	2020-03-15	2020-11-14
2021	2021-02-07	2021-11-22
2024	2024-05-03	2024-11-20
2026	2026-03-28	2026-09-19

Every Fixed Threshold

Fixed thresholds at Marriwood
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	63	49	1963	21
25 mm (0.98 in): Days with 25 mm or more rain	63	14	1999	4
50 mm (1.97 in): Days with 50 mm or more rain	34	4	1965	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1985	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

Data for Marriwood 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).

Marriwood Threshold Days by Year

Key Facts for Marriwood Thresholds

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

Every Fixed Threshold

Download the Data

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