Nowra Treatment Works Threshold Days by Year (ASN00068048)

5 fixed thresholds counted per year at Nowra Treatment Works (ASN00068048): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nowra Treatment Works Thresholds

Nowra Treatment Works: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 1974 with 45.
Nowra Treatment Works: days with 25 mm (0.98 in) or more of precipitation in 112 years, most in 1974 with 23.
Nowra Treatment Works: days with 50 mm (1.97 in) or more of precipitation in 105 years, most in 1974 with 9.
Nowra Treatment Works: days with 100 mm (3.94 in) or more of precipitation in 55 years, most in 1914 with 4.
5 fixed thresholds have at least one qualifying day at Nowra Treatment Works.

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

112 years with a qualifying day

Days per year at Nowra Treatment Works with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Nowra Treatment Works
Year	Days	Decade average
1897	26	27.3
1898	21	27.3
1899	35	27.3
1900	29	22.9
1901	23	22.9
1902	25	22.9
1903	28	22.9
1904	23	22.9
1905	24	22.9
1906	17	22.9
1907	17	22.9
1908	20	22.9
1909	23	22.9
1910	22	29.9
1911	27	29.9
1912	30	29.9
1913	28	29.9
1914	31	29.9
1916	40	29.9
1917	32	29.9
1918	30	29.9
1919	29	29.9
1920	26	26.9
1921	31	26.9
1922	26	26.9
1923	26	26.9
1924	30	26.9
1926	24	26.9
1927	22	26.9
1928	29	26.9
1929	28	26.9
1930	19	26.1
1931	31	26.1
1932	26	26.1
1933	24	26.1
1934	40	26.1
1935	25	26.1
1937	28	26.1
1938	25	26.1
1939	17	26.1
1940	14	21.8
1941	13	21.8
1942	22	21.8
1943	29	21.8
1944	16	21.8
1945	21	21.8
1946	19	21.8
1947	28	21.8
1948	22	21.8
1949	34	21.8
1950	38	24.1
1951	22	24.1
1952	21	24.1
1953	20	24.1
1954	16	24.1
1955	18	24.1
1956	34	24.1
1957	15	24.1
1958	27	24.1
1959	30	24.1
1960	27	23.8
1961	29	23.8
1962	24	23.8
1963	26	23.8
1964	21	23.8
1965	16	23.8
1966	26	23.8
1967	23	23.8
1968	14	23.8
1969	32	23.8
1970	28	31.9
1971	24	31.9
1972	29	31.9
1973	25	31.9
1974	45	31.9
1975	33	31.9
1976	44	31.9
1977	33	31.9
1978	38	31.9
1979	20	31.9
1980	19	29.5
1981	31	29.5
1982	11	29.5
1983	33	29.5
1984	39	29.5
1985	36	29.5
1986	22	29.5
1987	34	29.5
1988	30	29.5
1989	40	29.5
1990	31	24.8
1991	25	24.8
1992	31	24.8
1993	23	24.8
1994	18	24.8
1995	23	24.8
1996	21	24.8
1997	18	24.8
1998	33	24.8
2000	15	22.7
2001	23	22.7
2002	18	22.7
2003	34	22.7
2004	19	22.7
2005	24	22.7
2006	19	22.7
2007	34	22.7
2008	26	22.7
2009	15	22.7
2016	23	23
2017	24	23
2018	22	23

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

First to last qualifying date each year at Nowra Treatment Works
Year	First date	Last date
1897	1897-01-10	1897-12-20
1898	1898-01-13	1898-12-31
1899	1899-03-06	1899-12-09
1900	1900-01-08	1900-11-20
1901	1901-01-02	1901-11-06
1902	1902-01-06	1902-12-19
1903	1903-01-27	1903-12-23
1904	1904-01-13	1904-10-20
1905	1905-01-04	1905-12-06
1906	1906-01-15	1906-11-14
1907	1907-01-21	1907-12-09
1908	1908-01-10	1908-11-23
1909	1909-01-18	1909-12-27
1910	1910-01-12	1910-12-13
1911	1911-01-09	1911-12-04
1912	1912-02-11	1912-11-20
1913	1913-02-09	1913-10-24
1914	1914-01-20	1914-12-30
1916	1916-01-23	1916-12-26
1917	1917-01-02	1917-12-13
1918	1918-01-01	1918-11-29
1919	1919-02-25	1919-12-31
1920	1920-01-01	1920-12-14
1921	1921-01-05	1921-12-31
1922	1922-01-02	1922-12-08
1923	1923-01-26	1923-12-27
1924	1924-01-21	1924-12-29
1926	1926-01-05	1926-12-28
1927	1927-01-06	1927-12-28
1928	1928-01-19	1928-12-17
1929	1929-02-05	1929-12-27
1930	1930-01-13	1930-12-30
1931	1931-01-02	1931-12-31
1932	1932-02-08	1932-12-24
1933	1933-01-05	1933-12-13
1934	1934-01-06	1934-12-31
1935	1935-01-07	1935-12-27
1937	1937-01-09	1937-12-09
1938	1938-01-17	1938-10-26
1939	1939-01-17	1939-10-26
1940	1940-01-08	1940-12-21
1941	1941-01-03	1941-11-11
1942	1942-02-14	1942-12-09
1943	1943-01-02	1943-12-07
1944	1944-01-03	1944-12-13
1945	1945-01-12	1945-12-28
1946	1946-01-17	1946-11-21
1947	1947-01-04	1947-12-26
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-20
1950	1950-01-19	1950-12-21
1951	1951-01-18	1951-10-12
1952	1952-02-25	1952-12-30
1953	1953-01-06	1953-12-31
1954	1954-01-01	1954-11-14
1955	1955-01-22	1955-12-31
1956	1956-01-11	1956-11-14
1957	1957-01-04	1957-12-31
1958	1958-01-29	1958-12-17
1959	1959-01-23	1959-12-27
1960	1960-01-05	1960-12-17
1961	1961-01-02	1961-12-27
1962	1962-01-09	1962-12-15
1963	1963-01-04	1963-12-17
1964	1964-01-25	1964-12-24
1965	1965-01-04	1965-12-15
1966	1966-02-18	1966-12-15
1967	1967-01-20	1967-12-02
1968	1968-01-05	1968-12-24
1969	1969-01-02	1969-12-12
1970	1970-01-02	1970-12-30
1971	1971-01-05	1971-12-26
1972	1972-01-04	1972-11-25
1973	1973-01-27	1973-12-05
1974	1974-01-11	1974-11-27
1975	1975-01-10	1975-11-02
1976	1976-01-07	1976-12-18
1977	1977-01-24	1977-12-01
1978	1978-01-03	1978-12-27
1979	1979-03-04	1979-11-26
1980	1980-01-02	1980-12-30
1981	1981-01-07	1981-12-30
1982	1982-01-17	1982-09-30
1983	1983-01-03	1983-12-27
1984	1984-01-02	1984-12-29
1985	1985-02-08	1985-12-17
1986	1986-01-16	1986-11-20
1987	1987-01-01	1987-12-29
1988	1988-01-18	1988-12-27
1989	1989-01-01	1989-12-06
1990	1990-01-09	1990-12-11
1991	1991-01-22	1991-12-31
1992	1992-01-01	1992-12-25
1993	1993-01-04	1993-11-21
1994	1994-02-05	1994-12-23
1995	1995-01-04	1995-12-06
1996	1996-01-02	1996-11-05
1997	1997-01-08	1997-10-08
1998	1998-01-04	1998-12-17
2000	2000-01-27	2000-12-02
2001	2001-01-18	2001-12-08
2002	2002-01-16	2002-12-10
2003	2003-01-01	2003-12-04
2004	2004-01-14	2004-12-25
2005	2005-01-21	2005-12-03
2006	2006-01-17	2006-12-24
2007	2007-02-11	2007-12-17
2008	2008-01-19	2008-12-27
2009	2009-02-13	2009-12-28
2016	2016-01-04	2016-12-16
2017	2017-02-02	2017-12-05
2018	2018-01-03	2018-11-29

Every Fixed Threshold

Fixed thresholds at Nowra Treatment Works
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	112	45	1974	22
25 mm (0.98 in): Days with 25 mm or more rain	112	23	1974	6
50 mm (1.97 in): Days with 50 mm or more rain	105	9	1974	2
100 mm (3.94 in): Days with 100 mm or more rain	55	4	1914	1
200 mm (7.87 in): Days with 200 mm or more rain	7	1	1898	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Nowra Treatment Works 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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

Nowra Treatment Works Threshold Days by Year (ASN00068048)

Key Facts for Nowra Treatment Works Thresholds

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

Every Fixed Threshold

Download the Data

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