Waychinicup Downs Threshold Days by Year

4 fixed thresholds counted per year at Waychinicup Downs (ASN00009799): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waychinicup Downs Thresholds

Waychinicup Downs: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1978 with 29.
Waychinicup Downs: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1978 with 7.
Waychinicup Downs: days with 50 mm (1.97 in) or more of precipitation in 11 years, most in 1963 with 2.
Waychinicup Downs: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1963 with 1.
4 fixed thresholds have at least one qualifying day at Waychinicup Downs.

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

36 years with a qualifying day

Days per year at Waychinicup Downs with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1978.

Days with 10 mm (0.39 in) or more of precipitation per year at Waychinicup Downs
Year	Days	Decade average
1960	25	17.7
1961	16	17.7
1962	14	17.7
1963	16	17.7
1964	19	17.7
1965	15	17.7
1966	19	17.7
1971	21	19.6
1972	10	19.6
1973	19	19.6
1974	14	19.6
1975	15	19.6
1976	28	19.6
1977	22	19.6
1978	29	19.6
1979	18	19.6
1980	13	18.3
1981	18	18.3
1982	18	18.3
1983	19	18.3
1984	19	18.3
1985	21	18.3
1986	15	18.3
1987	14	18.3
1988	20	18.3
1989	26	18.3
1990	22	17
1991	16	17
1992	21	17
1993	18	17
1994	13	17
1995	12	17
1996	14	17
1997	22	17
1998	15	17
1999	17	17

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

First to last qualifying date each year at Waychinicup Downs
Year	First date	Last date
1960	1960-01-02	1960-12-16
1961	1961-01-26	1961-12-14
1962	1962-03-15	1962-12-31
1963	1963-02-09	1963-11-01
1964	1964-01-30	1964-11-20
1965	1965-03-26	1965-11-30
1966	1966-01-03	1966-12-27
1971	1971-01-31	1971-12-08
1972	1972-03-02	1972-10-08
1973	1973-03-25	1973-12-01
1974	1974-04-04	1974-11-19
1975	1975-04-02	1975-11-17
1976	1976-01-07	1976-11-28
1977	1977-04-29	1977-12-29
1978	1978-01-02	1978-12-15
1979	1979-02-26	1979-11-14
1980	1980-02-11	1980-10-26
1981	1981-04-03	1981-11-08
1982	1982-01-07	1982-12-25
1983	1983-02-27	1983-12-31
1984	1984-04-05	1984-11-17
1985	1985-01-18	1985-12-05
1986	1986-02-22	1986-10-17
1987	1987-03-17	1987-11-01
1988	1988-01-13	1988-11-07
1989	1989-01-07	1989-11-11
1990	1990-01-29	1990-10-20
1991	1991-02-26	1991-12-25
1992	1992-02-01	1992-11-20
1993	1993-03-18	1993-11-10
1994	1994-05-12	1994-10-15
1995	1995-05-13	1995-12-26
1996	1996-05-17	1996-12-12
1997	1997-02-20	1997-12-17
1998	1998-03-20	1998-10-28
1999	1999-03-12	1999-12-13

Every Fixed Threshold

Fixed thresholds at Waychinicup Downs
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	36	29	1978	17
25 mm (0.98 in): Days with 25 mm or more rain	36	7	1978	3
50 mm (1.97 in): Days with 50 mm or more rain	11	2	1963	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1963	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

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Data for Waychinicup Downs 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Waychinicup Downs Threshold Days by Year

Key Facts for Waychinicup Downs Thresholds

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

Every Fixed Threshold

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