Koorrnong Threshold Days by Year

4 fixed thresholds counted per year at Koorrnong (ASN00041242): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koorrnong Thresholds

Koorrnong: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1983 with 32.
Koorrnong: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1988 with 14.
Koorrnong: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1972 with 4.
Koorrnong: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1981 with 2.
4 fixed thresholds have at least one qualifying day at Koorrnong.

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

60 years with a qualifying day

Days per year at Koorrnong with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1983.

Days with 10 mm (0.39 in) or more of precipitation per year at Koorrnong
Year	Days	Decade average
1959	30	30
1960	20	20.3
1961	21	20.3
1962	21	20.3
1963	16	20.3
1964	21	20.3
1965	19	20.3
1966	24	20.3
1967	21	20.3
1968	21	20.3
1969	19	20.3
1970	22	21.7
1971	24	21.7
1972	25	21.7
1973	22	21.7
1974	27	21.7
1975	19	21.7
1976	20	21.7
1977	15	21.7
1978	23	21.7
1979	20	21.7
1980	18	21.8
1981	27	21.8
1982	13	21.8
1983	32	21.8
1984	27	21.8
1985	17	21.8
1986	17	21.8
1987	20	21.8
1988	19	21.8
1989	28	21.8
1990	20	19.8
1991	17	19.8
1992	20	19.8
1993	14	19.8
1994	13	19.8
1995	28	19.8
1996	24	19.8
1997	11	19.8
1998	25	19.8
1999	26	19.8
2000	12	16.7
2001	16	16.7
2002	12	16.7
2003	18	16.7
2004	20	16.7
2005	15	16.7
2006	13	16.7
2007	19	16.7
2008	20	16.7
2009	22	16.7
2018	17	12.5
2019	8	12.5
2020	19	21.9
2021	26	21.9
2022	29	21.9
2023	21	21.9
2024	23	21.9
2025	26	21.9
2026	9	21.9

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

First to last qualifying date each year at Koorrnong
Year	First date	Last date
1959	1959-01-03	1959-12-24
1960	1960-01-06	1960-12-13
1961	1961-01-04	1961-12-17
1962	1962-01-08	1962-12-31
1963	1963-01-20	1963-12-14
1964	1964-02-09	1964-12-27
1965	1965-01-04	1965-12-15
1966	1966-01-23	1966-12-31
1967	1967-01-02	1967-12-25
1968	1968-01-06	1968-12-25
1969	1969-01-02	1969-12-31
1970	1970-01-02	1970-12-30
1971	1971-01-09	1971-12-28
1972	1972-01-15	1972-12-29
1973	1973-01-06	1973-12-20
1974	1974-01-01	1974-12-29
1975	1975-01-09	1975-12-24
1976	1976-01-20	1976-12-23
1977	1977-01-05	1977-11-18
1978	1978-01-06	1978-12-30
1979	1979-01-24	1979-12-22
1980	1980-01-28	1980-12-30
1981	1981-01-31	1981-12-25
1982	1982-01-06	1982-12-03
1983	1983-01-01	1983-12-05
1984	1984-01-05	1984-12-30
1985	1985-01-23	1985-12-29
1986	1986-01-07	1986-12-01
1987	1987-01-08	1987-12-25
1988	1988-01-04	1988-12-19
1989	1989-01-06	1989-12-25
1990	1990-01-16	1990-12-14
1991	1991-01-21	1991-12-20
1992	1992-01-01	1992-12-28
1993	1993-01-07	1993-12-23
1994	1994-01-15	1994-12-26
1995	1995-01-04	1995-12-24
1996	1996-01-03	1996-12-31
1997	1997-02-15	1997-12-21
1998	1998-01-29	1998-12-21
1999	1999-01-01	1999-12-28
2000	2000-01-03	2000-12-29
2001	2001-01-09	2001-12-16
2002	2002-02-03	2002-12-26
2003	2003-02-12	2003-12-15
2004	2004-01-08	2004-12-11
2005	2005-01-07	2005-12-17
2006	2006-01-05	2006-12-17
2007	2007-01-04	2007-12-23
2008	2008-02-05	2008-12-28
2009	2009-01-17	2009-12-30
2018	2018-01-01	2018-12-17
2019	2019-03-15	2019-12-25
2020	2020-01-17	2020-12-23
2021	2021-01-06	2021-12-02
2022	2022-02-04	2022-12-02
2023	2023-01-25	2023-12-31
2024	2024-01-19	2024-12-31
2025	2025-01-02	2025-12-16
2026	2026-01-01	2026-06-22

Every Fixed Threshold

Fixed thresholds at Koorrnong
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	60	32	1983	9
25 mm (0.98 in): Days with 25 mm or more rain	59	14	1988	1
50 mm (1.97 in): Days with 50 mm or more rain	43	4	1972	1
100 mm (3.94 in): Days with 100 mm or more rain	4	2	1981	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 Koorrnong 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Koorrnong Threshold Days by Year

Key Facts for Koorrnong Thresholds

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

Every Fixed Threshold

Download the Data

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