Roseworthy Threshold Days by Year

4 fixed thresholds counted per year at Roseworthy (ASN00023021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roseworthy Thresholds

Roseworthy: days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1923 with 21.
Roseworthy: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1952 with 5.
Roseworthy: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1889 with 1.
Roseworthy: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1941 with 1.
4 fixed thresholds have at least one qualifying day at Roseworthy.

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

103 years with a qualifying day

Days per year at Roseworthy with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1923.

Days with 10 mm (0.39 in) or more of precipitation per year at Roseworthy
Year	Days	Decade average
1887	8	7.3
1888	3	7.3
1889	11	7.3
1892	10	8
1893	12	8
1894	7	8
1895	6	8
1896	5	8
1897	8	8
1898	10	8
1899	6	8
1900	10	8.1
1901	6	8.1
1902	5	8.1
1903	8	8.1
1904	6	8.1
1905	3	8.1
1906	8	8.1
1907	7	8.1
1908	12	8.1
1909	16	8.1
1910	15	10.7
1911	8	10.7
1912	7	10.7
1913	12	10.7
1914	4	10.7
1915	20	10.7
1916	16	10.7
1917	16	10.7
1918	3	10.7
1919	6	10.7
1920	13	11
1922	13	11
1923	21	11
1924	9	11
1925	6	11
1926	14	11
1927	9	11
1928	9	11
1929	5	11
1930	9	10.2
1931	10	10.2
1932	15	10.2
1933	12	10.2
1934	10	10.2
1935	12	10.2
1936	5	10.2
1937	10	10.2
1938	8	10.2
1939	11	10.2
1940	8	10
1941	13	10
1942	16	10
1943	8	10
1944	7	10
1945	7	10
1946	10	10
1947	11	10
1948	10	10
1949	10	10
1950	13	11.3
1951	18	11.3
1952	17	11.3
1953	11	11.3
1954	8	11.3
1955	16	11.3
1956	10	11.3
1957	2	11.3
1958	14	11.3
1959	4	11.3
1960	15	8.5
1961	10	8.5
1962	11	8.5
1963	7	8.5
1964	9	8.5
1965	5	8.5
1966	5	8.5
1967	1	8.5
1968	14	8.5
1969	8	8.5
1970	7	11.2
1971	16	11.2
1972	8	11.2
1973	10	11.2
1974	18	11.2
1975	10	11.2
1976	4	11.2
1977	11	11.2
1978	17	11.2
1982	10	12
1983	14	12
1998	8	7.5
1999	7	7.5
2005	18	10
2006	7	10
2007	8	10
2008	5	10
2009	12	10
2012	10	12.8
2013	11	12.8
2014	13	12.8
2015	12	12.8
2016	18	12.8

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

First to last qualifying date each year at Roseworthy
Year	First date	Last date
1887	1887-04-10	1887-12-22
1888	1888-05-03	1888-06-19
1889	1889-04-02	1889-11-15
1892	1892-01-22	1892-10-25
1893	1893-04-01	1893-10-14
1894	1894-03-24	1894-12-26
1895	1895-01-04	1895-07-23
1896	1896-01-18	1896-06-04
1897	1897-05-25	1897-11-01
1898	1898-02-26	1898-10-28
1899	1899-01-20	1899-06-21
1900	1900-03-15	1900-11-17
1901	1901-01-26	1901-08-27
1902	1902-03-26	1902-12-18
1903	1903-03-04	1903-12-24
1904	1904-04-19	1904-11-02
1905	1905-01-03	1905-06-12
1906	1906-03-24	1906-10-03
1907	1907-04-05	1907-11-23
1908	1908-04-16	1908-10-16
1909	1909-03-20	1909-11-12
1910	1910-01-07	1910-12-01
1911	1911-02-09	1911-12-05
1912	1912-06-25	1912-11-02
1913	1913-02-14	1913-12-23
1914	1914-02-28	1914-11-25
1915	1915-04-09	1915-10-22
1916	1916-01-04	1916-12-13
1917	1917-02-14	1917-12-12
1918	1918-05-10	1918-10-04
1919	1919-05-07	1919-12-27
1920	1920-03-07	1920-12-27
1922	1922-01-06	1922-12-30
1923	1923-05-08	1923-12-18
1924	1924-02-16	1924-11-11
1925	1925-04-05	1925-09-17
1926	1926-02-25	1926-11-21
1927	1927-03-22	1927-12-02
1928	1928-01-27	1928-10-06
1929	1929-08-15	1929-12-28
1930	1930-07-01	1930-10-24
1931	1931-03-13	1931-09-03
1932	1932-02-05	1932-12-15
1933	1933-01-23	1933-12-27
1934	1934-01-06	1934-11-08
1935	1935-01-05	1935-10-22
1936	1936-02-19	1936-10-18
1937	1937-01-19	1937-12-11
1938	1938-01-14	1938-08-28
1939	1939-02-25	1939-11-05
1940	1940-01-05	1940-12-19
1941	1941-01-23	1941-11-19
1942	1942-01-20	1942-12-05
1943	1943-02-17	1943-12-17
1944	1944-04-02	1944-12-19
1945	1945-01-31	1945-12-16
1946	1946-01-17	1946-12-27
1947	1947-03-12	1947-12-23
1948	1948-04-11	1948-12-25
1949	1949-02-20	1949-11-11
1950	1950-02-01	1950-12-20
1951	1951-02-22	1951-12-20
1952	1952-01-25	1952-11-27
1953	1953-06-20	1953-11-06
1954	1954-01-27	1954-12-24
1955	1955-02-11	1955-12-03
1956	1956-01-20	1956-10-18
1957	1957-06-21	1957-10-23
1958	1958-05-14	1958-10-11
1959	1959-03-31	1959-09-28
1960	1960-02-01	1960-11-12
1961	1961-02-08	1961-11-15
1962	1962-01-17	1962-12-30
1963	1963-01-14	1963-08-15
1964	1964-01-09	1964-12-24
1965	1965-05-08	1965-09-05
1966	1966-03-16	1966-12-01
1967	1967-07-31	1967-07-31
1968	1968-01-19	1968-11-02
1969	1969-02-22	1969-12-01
1970	1970-05-06	1970-12-05
1971	1971-03-15	1971-12-10
1972	1972-01-07	1972-12-27
1973	1973-02-05	1973-10-19
1974	1974-01-14	1974-10-24
1975	1975-03-20	1975-10-25
1976	1976-09-09	1976-11-02
1977	1977-02-22	1977-12-02
1978	1978-01-24	1978-11-20
1982	1982-03-08	1982-09-29
1983	1983-03-03	1983-11-26
1998	1998-01-13	1998-11-11
1999	1999-03-18	1999-12-03
2005	2005-03-05	2005-12-16
2006	2006-02-25	2006-12-22
2007	2007-01-19	2007-12-22
2008	2008-05-17	2008-12-13
2009	2009-04-24	2009-12-08
2012	2012-03-01	2012-10-11
2013	2013-02-28	2013-12-05
2014	2014-02-14	2014-12-11
2015	2015-01-08	2015-12-08
2016	2016-01-30	2016-12-28

Every Fixed Threshold

Fixed thresholds at Roseworthy
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	103	21	1923	18
25 mm (0.98 in): Days with 25 mm or more rain	58	5	1952	2
50 mm (1.97 in): Days with 50 mm or more rain	4	1	1889	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1887.

Download the Data

Data for Roseworthy 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Roseworthy Threshold Days by Year

Key Facts for Roseworthy Thresholds

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

Every Fixed Threshold

Download the Data

Related