Wirra Threshold Days by Year

4 fixed thresholds counted per year at Wirra (ASN00010656): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wirra Thresholds

Wirra: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1932 with 19.
Wirra: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1955 with 5.
Wirra: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1971 with 3.
Wirra: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1955 with 1.
4 fixed thresholds have at least one qualifying day at Wirra.

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

55 years with a qualifying day

Days per year at Wirra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1932.

Days with 10 mm (0.39 in) or more of precipitation per year at Wirra
Year	Days	Decade average
1931	11	10.6
1932	19	10.6
1933	9	10.6
1934	13	10.6
1935	7	10.6
1936	6	10.6
1937	10	10.6
1938	6	10.6
1939	14	10.6
1940	4	11.4
1941	10	11.4
1942	14	11.4
1943	7	11.4
1944	10	11.4
1945	16	11.4
1946	16	11.4
1947	16	11.4
1948	10	11.4
1949	11	11.4
1950	7	9.6
1951	10	9.6
1952	8	9.6
1953	10	9.6
1954	6	9.6
1955	13	9.6
1956	8	9.6
1957	6	9.6
1958	11	9.6
1959	17	9.6
1960	13	11
1961	13	11
1962	7	11
1963	15	11
1964	13	11
1965	11	11
1966	12	11
1967	11	11
1968	12	11
1969	3	11
1970	11	10.4
1971	12	10.4
1972	5	10.4
1973	10	10.4
1974	13	10.4
1975	10	10.4
1976	16	10.4
1977	8	10.4
1978	12	10.4
1979	7	10.4
1980	11	9.7
1981	6	9.7
1982	9	9.7
1983	15	9.7
1984	6	9.7
1985	11	9.7

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

First to last qualifying date each year at Wirra
Year	First date	Last date
1931	1931-03-06	1931-11-12
1932	1932-01-18	1932-10-29
1933	1933-01-16	1933-12-02
1934	1934-01-17	1934-11-05
1935	1935-02-01	1935-10-19
1936	1936-04-15	1936-10-03
1937	1937-03-03	1937-11-25
1938	1938-03-15	1938-09-02
1939	1939-01-21	1939-11-02
1940	1940-05-06	1940-12-03
1941	1941-01-10	1941-12-13
1942	1942-03-14	1942-12-02
1943	1943-01-31	1943-08-14
1944	1944-05-18	1944-11-11
1945	1945-03-26	1945-12-14
1946	1946-05-14	1946-12-04
1947	1947-03-06	1947-11-27
1948	1948-06-05	1948-12-24
1949	1949-04-29	1949-11-19
1950	1950-05-09	1950-11-05
1951	1951-04-06	1951-12-06
1952	1952-05-27	1952-12-18
1953	1953-02-03	1953-11-04
1954	1954-05-23	1954-11-11
1955	1955-02-06	1955-10-17
1956	1956-01-04	1956-10-13
1957	1957-01-21	1957-06-18
1958	1958-05-22	1958-12-22
1959	1959-06-01	1959-12-31
1960	1960-01-01	1960-12-17
1961	1961-01-26	1961-12-16
1962	1962-03-16	1962-10-03
1963	1963-03-12	1963-10-31
1964	1964-02-20	1964-10-21
1965	1965-05-05	1965-12-21
1966	1966-02-13	1966-12-28
1967	1967-02-02	1967-08-16
1968	1968-01-27	1968-09-11
1969	1969-07-10	1969-11-04
1970	1970-02-17	1970-11-03
1971	1971-01-30	1971-11-23
1972	1972-01-07	1972-10-07
1973	1973-01-08	1973-11-14
1974	1974-04-04	1974-11-19
1975	1975-04-01	1975-11-17
1976	1976-01-07	1976-11-07
1977	1977-05-16	1977-10-31
1978	1978-02-15	1978-11-07
1979	1979-05-21	1979-11-13
1980	1980-01-15	1980-12-31
1981	1981-04-19	1981-11-26
1982	1982-01-21	1982-11-28
1983	1983-02-27	1983-12-28
1984	1984-03-16	1984-09-14
1985	1985-01-18	1985-10-13

Every Fixed Threshold

Fixed thresholds at Wirra
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	55	19	1932	11
25 mm (0.98 in): Days with 25 mm or more rain	40	5	1955	1
50 mm (1.97 in): Days with 50 mm or more rain	13	3	1971	2
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Wirra 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).

Wirra Threshold Days by Year

Key Facts for Wirra Thresholds

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

Every Fixed Threshold

Download the Data

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