The Rock (Bullenbong) Threshold Days by Year

4 fixed thresholds counted per year at The Rock (Bullenbong) (ASN00074021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for The Rock (Bullenbong) Thresholds

The Rock (Bullenbong): days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 1889 with 27.
The Rock (Bullenbong): days with 25 mm (0.98 in) or more of precipitation in 106 years, most in 1891 with 9.
The Rock (Bullenbong): days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1887 with 2.
The Rock (Bullenbong): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at The Rock (Bullenbong).

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

115 years with a qualifying day

Days per year at The Rock (Bullenbong) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1889.

Days with 10 mm (0.39 in) or more of precipitation per year at The Rock (Bullenbong)
Year	Days	Decade average
1882	20	18
1883	15	18
1884	17	18
1885	14	18
1886	20	18
1887	20	18
1888	11	18
1889	27	18
1890	21	16.6
1891	20	16.6
1892	16	16.6
1893	22	16.6
1894	27	16.6
1895	13	16.6
1896	17	16.6
1897	8	16.6
1898	11	16.6
1899	11	16.6
1900	23	14.3
1901	14	14.3
1902	8	14.3
1903	13	14.3
1904	16	14.3
1905	13	14.3
1906	15	14.3
1907	13	14.3
1908	14	14.3
1909	14	14.3
1910	18	14.1
1911	17	14.1
1912	12	14.1
1913	13	14.1
1914	6	14.1
1915	11	14.1
1916	18	14.1
1917	24	14.1
1918	14	14.1
1919	8	14.1
1920	17	14.2
1921	19	14.2
1922	8	14.2
1923	13	14.2
1924	16	14.2
1925	22	14.2
1926	13	14.2
1927	8	14.2
1928	18	14.2
1929	8	14.2
1930	15	15.5
1931	26	15.5
1932	13	15.5
1933	11	15.5
1934	17	15.5
1935	13	15.5
1936	18	15.5
1937	11	15.5
1938	10	15.5
1939	21	15.5
1940	8	11.6
1941	10	11.6
1942	18	11.6
1943	11	11.6
1944	6	11.6
1945	8	11.6
1946	12	11.6
1947	16	11.6
1948	12	11.6
1949	15	11.6
1950	26	16
1951	13	16
1953	11	16
1954	17	16
1955	16	16
1956	25	16
1957	10	16
1958	14	16
1959	12	16
1960	16	13.8
1962	15	13.8
1963	21	13.8
1964	15	13.8
1965	9	13.8
1966	14	13.8
1967	4	13.8
1968	12	13.8
1969	18	13.8
1970	20	16.8
1971	12	16.8
1972	9	16.8
1973	27	16.8
1974	25	16.8
1975	16	16.8
1976	12	16.8
1977	10	16.8
1978	25	16.8
1979	12	16.8
1980	12	15.1
1981	15	15.1
1982	6	15.1
1983	18	15.1
1984	21	15.1
1985	19	15.1
1986	18	15.1
1987	12	15.1
1992	25	17.4
1994	10	17.4
1995	21	17.4
1996	21	17.4
1997	13	17.4
1998	14	17.4
1999	18	17.4
2000	15	9.8
2001	10	9.8
2002	6	9.8
2003	8	9.8

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

First to last qualifying date each year at The Rock (Bullenbong)
Year	First date	Last date
1882	1882-01-11	1882-12-06
1883	1883-02-27	1883-10-21
1884	1884-02-07	1884-12-13
1885	1885-01-24	1885-12-24
1886	1886-01-08	1886-12-16
1887	1887-01-25	1887-12-22
1888	1888-01-01	1888-12-30
1889	1889-01-01	1889-12-20
1890	1890-02-13	1890-12-29
1891	1891-01-05	1891-11-20
1892	1892-01-13	1892-12-08
1893	1893-03-31	1893-12-29
1894	1894-01-09	1894-12-16
1895	1895-01-04	1895-12-12
1896	1896-01-15	1896-11-19
1897	1897-01-09	1897-12-31
1898	1898-02-13	1898-12-24
1899	1899-01-19	1899-11-07
1900	1900-01-21	1900-11-18
1901	1901-03-15	1901-10-28
1902	1902-01-05	1902-12-18
1903	1903-03-05	1903-10-22
1904	1904-01-02	1904-12-18
1905	1905-04-04	1905-12-31
1906	1906-03-11	1906-11-29
1907	1907-01-27	1907-12-28
1908	1908-02-01	1908-11-27
1909	1909-02-25	1909-10-09
1910	1910-01-11	1910-12-01
1911	1911-01-04	1911-12-05
1912	1912-01-06	1912-12-03
1913	1913-01-03	1913-10-15
1914	1914-02-26	1914-12-15
1915	1915-02-20	1915-12-09
1916	1916-01-29	1916-12-09
1917	1917-01-03	1917-12-13
1918	1918-01-11	1918-10-08
1919	1919-02-18	1919-12-28
1920	1920-06-02	1920-12-11
1921	1921-01-03	1921-12-23
1922	1922-01-13	1922-10-01
1923	1923-03-19	1923-11-03
1924	1924-02-04	1924-12-15
1925	1925-01-13	1925-11-20
1926	1926-01-05	1926-12-18
1927	1927-01-06	1927-10-27
1928	1928-01-18	1928-10-15
1929	1929-03-25	1929-12-28
1930	1930-01-24	1930-12-25
1931	1931-02-14	1931-11-16
1932	1932-02-06	1932-11-14
1933	1933-01-22	1933-12-13
1934	1934-01-07	1934-12-01
1935	1935-01-06	1935-12-03
1936	1936-01-04	1936-12-14
1937	1937-01-19	1937-12-29
1938	1938-02-05	1938-11-28
1939	1939-02-28	1939-11-16
1940	1940-04-04	1940-12-28
1941	1941-01-03	1941-10-05
1942	1942-02-14	1942-12-31
1943	1943-01-03	1943-11-18
1944	1944-03-05	1944-12-13
1945	1945-03-30	1945-11-11
1946	1946-01-18	1946-11-21
1947	1947-03-02	1947-12-25
1948	1948-01-02	1948-12-29
1949	1949-02-21	1949-11-12
1950	1950-01-18	1950-12-24
1951	1951-01-28	1951-11-10
1953	1953-01-06	1953-11-05
1954	1954-01-29	1954-12-12
1955	1955-01-27	1955-10-30
1956	1956-01-20	1956-10-18
1957	1957-02-08	1957-12-31
1958	1958-03-08	1958-11-29
1959	1959-02-06	1959-09-20
1960	1960-01-04	1960-12-03
1962	1962-01-18	1962-12-31
1963	1963-01-02	1963-12-13
1964	1964-01-09	1964-12-22
1965	1965-05-31	1965-12-06
1966	1966-01-30	1966-12-07
1967	1967-01-29	1967-06-15
1968	1968-01-21	1968-12-26
1969	1969-02-10	1969-11-15
1970	1970-01-02	1970-11-12
1971	1971-02-05	1971-12-27
1972	1972-01-13	1972-10-17
1973	1973-01-27	1973-12-31
1974	1974-01-04	1974-11-28
1975	1975-02-11	1975-12-28
1976	1976-01-13	1976-11-13
1977	1977-01-14	1977-06-18
1978	1978-01-05	1978-12-26
1979	1979-01-22	1979-11-12
1980	1980-03-07	1980-12-17
1981	1981-01-07	1981-10-03
1982	1982-01-26	1982-09-27
1983	1983-04-05	1983-12-07
1984	1984-01-03	1984-10-29
1985	1985-03-20	1985-12-11
1986	1986-01-16	1986-12-08
1987	1987-02-21	1987-12-02
1992	1992-01-24	1992-12-25
1994	1994-02-11	1994-12-22
1995	1995-01-12	1995-11-30
1996	1996-01-02	1996-12-25
1997	1997-01-28	1997-12-14
1998	1998-02-08	1998-12-16
1999	1999-01-09	1999-12-28
2000	2000-01-27	2000-10-24
2001	2001-02-10	2001-10-02
2002	2002-02-04	2002-09-17
2003	2003-02-21	2003-11-22

Every Fixed Threshold

Fixed thresholds at The Rock (Bullenbong)
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	115	27	1889	8
25 mm (0.98 in): Days with 25 mm or more rain	106	9	1891	3
50 mm (1.97 in): Days with 50 mm or more rain	33	2	1887	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1882.

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Data for The Rock (Bullenbong) 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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

The Rock (Bullenbong) Threshold Days by Year

Key Facts for The Rock (Bullenbong) Thresholds

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

Every Fixed Threshold

Download the Data

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