Boorara Threshold Days by Year

4 fixed thresholds counted per year at Boorara (ASN00044012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boorara Thresholds

Boorara: days with 10 mm (0.39 in) or more of precipitation in 110 years, most in 1887 with 24.
Boorara: days with 25 mm (0.98 in) or more of precipitation in 95 years, most in 1890 with 9.
Boorara: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 1926 with 4.
Boorara: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1891 with 1.
4 fixed thresholds have at least one qualifying day at Boorara.

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

110 years with a qualifying day

Days per year at Boorara with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1887.

Days with 10 mm (0.39 in) or more of precipitation per year at Boorara
Year	Days	Decade average
1885	15	14.2
1886	12	14.2
1887	24	14.2
1888	6	14.2
1889	14	14.2
1890	20	11.3
1891	13	11.3
1893	8	11.3
1894	14	11.3
1895	8	11.3
1896	9	11.3
1897	9	11.3
1898	9	11.3
1900	1	8.2
1901	4	8.2
1902	8	8.2
1903	10	8.2
1904	7	8.2
1905	5	8.2
1906	18	8.2
1907	8	8.2
1908	10	8.2
1909	11	8.2
1910	12	8.9
1911	12	8.9
1912	2	8.9
1913	8	8.9
1914	6	8.9
1915	4	8.9
1916	16	8.9
1917	15	8.9
1918	8	8.9
1919	6	8.9
1920	9	7
1921	13	7
1922	4	7
1923	10	7
1924	7	7
1925	7	7
1926	11	7
1927	3	7
1928	5	7
1929	1	7
1939	12	12
1940	2	8.9
1941	15	8.9
1942	10	8.9
1943	4	8.9
1944	8	8.9
1945	5	8.9
1946	3	8.9
1947	19	8.9
1948	5	8.9
1949	18	8.9
1950	23	11.1
1951	4	11.1
1952	13	11.1
1953	8	11.1
1954	11	11.1
1955	11	11.1
1956	19	11.1
1957	2	11.1
1958	12	11.1
1959	8	11.1
1960	10	8
1961	8	8
1962	12	8
1963	10	8
1964	5	8
1965	3	8
1966	7	8
1967	8	8
1968	9	8
1969	8	8
1970	4	10.2
1971	11	10.2
1972	3	10.2
1973	12	10.2
1974	19	10.2
1975	13	10.2
1976	15	10.2
1977	6	10.2
1978	13	10.2
1979	6	10.2
1980	4	7.9
1981	11	7.9
1982	4	7.9
1983	5	7.9
1984	8	7.9
1985	11	7.9
1986	9	7.9
1987	11	7.9
1988	9	7.9
1989	7	7.9
1990	16	12
1991	9	12
1992	11	12
1993	5	12
1994	6	12
1995	13	12
1996	9	12
1997	13	12
1998	18	12
1999	20	12
2000	17	7.8
2001	6	7.8
2002	3	7.8
2003	7	7.8
2004	12	7.8
2005	2	7.8

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

First to last qualifying date each year at Boorara
Year	First date	Last date
1885	1885-01-19	1885-12-24
1886	1886-06-18	1886-12-08
1887	1887-01-23	1887-12-22
1888	1888-02-06	1888-05-13
1889	1889-04-07	1889-11-13
1890	1890-01-10	1890-09-21
1891	1891-01-04	1891-06-08
1893	1893-03-17	1893-08-22
1894	1894-01-05	1894-12-11
1895	1895-01-30	1895-12-01
1896	1896-02-11	1896-12-02
1897	1897-01-09	1897-12-20
1898	1898-01-15	1898-12-24
1900	1900-03-22	1900-03-22
1901	1901-07-06	1901-08-26
1902	1902-10-02	1902-12-17
1903	1903-01-28	1903-12-29
1904	1904-01-03	1904-12-17
1905	1905-03-28	1905-12-31
1906	1906-01-31	1906-11-28
1907	1907-01-09	1907-12-28
1908	1908-01-26	1908-12-12
1909	1909-01-20	1909-12-26
1910	1910-01-11	1910-11-06
1911	1911-01-29	1911-12-04
1912	1912-06-24	1912-07-13
1913	1913-01-07	1913-11-12
1914	1914-03-16	1914-12-21
1915	1915-05-15	1915-12-08
1916	1916-01-28	1916-12-09
1917	1917-01-02	1917-11-21
1918	1918-01-12	1918-12-31
1919	1919-01-01	1919-08-25
1920	1920-02-06	1920-12-31
1921	1921-03-01	1921-12-24
1922	1922-02-26	1922-12-18
1923	1923-01-05	1923-12-27
1924	1924-02-18	1924-10-20
1925	1925-01-14	1925-11-15
1926	1926-01-01	1926-09-26
1927	1927-10-17	1927-11-04
1928	1928-01-20	1928-11-10
1929	1929-09-28	1929-09-28
1939	1939-01-20	1939-10-19
1940	1940-01-31	1940-12-29
1941	1941-01-03	1941-11-04
1942	1942-04-22	1942-12-12
1943	1943-02-18	1943-09-06
1944	1944-01-25	1944-12-09
1945	1945-03-30	1945-10-20
1946	1946-03-16	1946-12-28
1947	1947-02-04	1947-12-25
1948	1948-02-18	1948-06-22
1949	1949-02-12	1949-11-12
1950	1950-02-06	1950-11-24
1951	1951-03-07	1951-12-25
1952	1952-02-15	1952-11-26
1953	1953-01-06	1953-10-25
1954	1954-01-02	1954-12-12
1955	1955-01-27	1955-11-26
1956	1956-01-10	1956-12-13
1957	1957-03-09	1957-06-20
1958	1958-01-29	1958-11-23
1959	1959-01-23	1959-10-09
1960	1960-01-09	1960-12-31
1961	1961-01-02	1961-12-18
1962	1962-01-07	1962-12-30
1963	1963-01-09	1963-10-28
1964	1964-01-14	1964-09-27
1965	1965-10-28	1965-12-15
1966	1966-01-08	1966-11-28
1967	1967-03-03	1967-12-07
1968	1968-01-07	1968-08-29
1969	1969-02-08	1969-11-14
1970	1970-01-30	1970-11-10
1971	1971-01-18	1971-08-07
1972	1972-01-06	1972-05-10
1973	1973-01-28	1973-12-31
1974	1974-01-07	1974-11-17
1975	1975-01-03	1975-12-27
1976	1976-01-12	1976-12-23
1977	1977-02-21	1977-05-28
1978	1978-01-06	1978-11-01
1979	1979-01-19	1979-09-29
1980	1980-02-03	1980-10-24
1981	1981-01-18	1981-11-10
1982	1982-03-13	1982-05-29
1983	1983-02-22	1983-11-16
1984	1984-01-09	1984-10-03
1985	1985-06-01	1985-12-07
1986	1986-05-05	1986-12-06
1987	1987-02-18	1987-12-29
1988	1988-02-07	1988-12-26
1989	1989-04-12	1989-10-26
1990	1990-02-21	1990-10-20
1991	1991-01-21	1991-12-11
1992	1992-01-25	1992-12-21
1993	1993-05-14	1993-11-13
1994	1994-02-18	1994-11-30
1995	1995-01-04	1995-11-20
1996	1996-01-21	1996-10-18
1997	1997-01-16	1997-12-10
1998	1998-01-09	1998-11-12
1999	1999-01-22	1999-12-27
2000	2000-02-13	2000-12-14
2001	2001-01-25	2001-11-26
2002	2002-08-22	2002-12-19
2003	2003-01-01	2003-12-05
2004	2004-01-22	2004-11-05
2005	2005-06-11	2005-11-25

Every Fixed Threshold

Fixed thresholds at Boorara
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	110	24	1887	2
25 mm (0.98 in): Days with 25 mm or more rain	95	9	1890	3
50 mm (1.97 in): Days with 50 mm or more rain	45	4	1926	3
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1891	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

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Data for Boorara 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).

Boorara Threshold Days by Year

Key Facts for Boorara Thresholds

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

Every Fixed Threshold

Download the Data

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