Trawalla Threshold Days by Year (ASN00089030)

3 fixed thresholds counted per year at Trawalla (ASN00089030): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Trawalla Thresholds

Trawalla: days with 10 mm (0.39 in) or more of precipitation in 114 years, most in 1964 with 35.
Trawalla: days with 25 mm (0.98 in) or more of precipitation in 107 years, most in 1946 with 8.
Trawalla: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1899 with 2.
3 fixed thresholds have at least one qualifying day at Trawalla.

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

114 years with a qualifying day

Days per year at Trawalla with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1964.

Days with 10 mm (0.39 in) or more of precipitation per year at Trawalla
Year	Days	Decade average
1888	15	20.5
1889	26	20.5
1890	16	17.3
1891	17	17.3
1892	14	17.3
1893	22	17.3
1894	26	17.3
1895	18	17.3
1896	15	17.3
1897	13	17.3
1898	17	17.3
1899	15	17.3
1900	15	17.6
1901	20	17.6
1902	13	17.6
1903	24	17.6
1904	22	17.6
1905	19	17.6
1906	21	17.6
1907	14	17.6
1908	12	17.6
1909	16	17.6
1910	20	16
1911	25	16
1912	17	16
1913	11	16
1914	8	16
1915	9	16
1916	19	16
1917	20	16
1918	17	16
1919	14	16
1920	18	17.2
1921	18	17.2
1922	11	17.2
1923	15	17.2
1924	30	17.2
1925	14	17.2
1926	17	17.2
1927	12	17.2
1929	20	17.2
1930	20	16.8
1931	17	16.8
1932	11	16.8
1933	14	16.8
1934	19	16.8
1935	16	16.8
1936	13	16.8
1937	16	16.8
1938	12	16.8
1939	30	16.8
1940	15	17.2
1941	24	17.2
1942	23	17.2
1943	11	17.2
1944	13	17.2
1945	13	17.2
1946	23	17.2
1947	17	17.2
1948	18	17.2
1949	15	17.2
1950	18	20.7
1951	23	20.7
1952	26	20.7
1953	19	20.7
1954	16	20.7
1955	28	20.7
1956	24	20.7
1957	16	20.7
1958	16	20.7
1959	21	20.7
1960	32	19.9
1961	18	19.9
1962	22	19.9
1963	18	19.9
1964	35	19.9
1965	20	19.9
1966	17	19.9
1967	4	19.9
1968	18	19.9
1969	15	19.9
1970	17	18.1
1971	23	18.1
1972	13	18.1
1973	22	18.1
1974	15	18.1
1975	19	18.1
1976	14	18.1
1977	17	18.1
1978	29	18.1
1979	12	18.1
1980	16	16.9
1981	18	16.9
1982	9	16.9
1983	18	16.9
1984	17	16.9
1985	19	16.9
1986	19	16.9
1987	21	16.9
1988	14	16.9
1989	18	16.9
1990	12	16.8
1991	19	16.8
1992	25	16.8
1993	21	16.8
1994	10	16.8
1995	19	16.8
1996	18	16.8
1997	12	16.8
1998	17	16.8
1999	15	16.8
2000	15	15
2013	14	12.5
2015	11	12.5

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

First to last qualifying date each year at Trawalla
Year	First date	Last date
1888	1888-01-02	1888-12-31
1889	1889-01-01	1889-11-16
1890	1890-01-09	1890-12-06
1891	1891-03-29	1891-12-13
1892	1892-03-14	1892-12-10
1893	1893-03-30	1893-12-27
1894	1894-01-13	1894-12-23
1895	1895-01-03	1895-12-09
1896	1896-01-24	1896-09-16
1897	1897-01-08	1897-11-01
1898	1898-02-12	1898-12-22
1899	1899-01-12	1899-11-06
1900	1900-03-01	1900-10-04
1901	1901-01-03	1901-10-27
1902	1902-03-25	1902-12-19
1903	1903-01-04	1903-12-28
1904	1904-01-01	1904-11-26
1905	1905-01-02	1905-12-10
1906	1906-03-09	1906-11-27
1907	1907-02-05	1907-12-27
1908	1908-01-10	1908-11-27
1909	1909-01-04	1909-12-01
1910	1910-01-22	1910-12-23
1911	1911-02-07	1911-12-19
1912	1912-02-25	1912-12-06
1913	1913-02-15	1913-12-23
1914	1914-03-13	1914-12-26
1915	1915-04-11	1915-09-24
1916	1916-01-04	1916-12-09
1917	1917-01-22	1917-12-31
1918	1918-03-06	1918-12-14
1919	1919-02-17	1919-12-27
1920	1920-05-10	1920-12-16
1921	1921-01-01	1921-11-14
1922	1922-02-19	1922-12-29
1923	1923-05-08	1923-12-17
1924	1924-01-12	1924-11-23
1925	1925-01-13	1925-11-19
1926	1926-01-08	1926-12-22
1927	1927-03-19	1927-12-02
1929	1929-01-30	1929-12-28
1930	1930-02-20	1930-12-25
1931	1931-03-02	1931-12-03
1932	1932-02-06	1932-12-06
1933	1933-03-05	1933-12-14
1934	1934-01-07	1934-12-28
1935	1935-01-07	1935-12-02
1936	1936-03-15	1936-12-29
1937	1937-01-02	1937-12-03
1938	1938-01-07	1938-11-04
1939	1939-02-17	1939-11-16
1940	1940-01-06	1940-12-20
1941	1941-01-25	1941-12-01
1942	1942-01-20	1942-12-19
1943	1943-01-22	1943-10-17
1944	1944-01-23	1944-12-23
1945	1945-01-31	1945-12-27
1946	1946-01-17	1946-12-28
1947	1947-02-07	1947-12-23
1948	1948-01-05	1948-11-09
1949	1949-02-20	1949-11-21
1950	1950-02-02	1950-12-30
1951	1951-02-18	1951-12-20
1952	1952-02-11	1952-12-11
1953	1953-03-23	1953-12-07
1954	1954-01-28	1954-12-12
1955	1955-02-10	1955-12-31
1956	1956-03-06	1956-11-16
1957	1957-02-07	1957-11-26
1958	1958-02-01	1958-12-11
1959	1959-01-26	1959-12-25
1960	1960-01-09	1960-12-03
1961	1961-02-09	1961-12-15
1962	1962-01-09	1962-11-11
1963	1963-01-01	1963-10-27
1964	1964-02-07	1964-12-26
1965	1965-01-18	1965-12-02
1966	1966-01-13	1966-12-13
1967	1967-05-19	1967-09-02
1968	1968-01-20	1968-12-16
1969	1969-01-26	1969-12-02
1970	1970-01-02	1970-12-10
1971	1971-01-01	1971-12-10
1972	1972-01-13	1972-11-10
1973	1973-01-13	1973-12-16
1974	1974-01-14	1974-10-25
1975	1975-03-19	1975-12-03
1976	1976-02-09	1976-12-24
1977	1977-01-15	1977-11-29
1978	1978-01-24	1978-12-25
1979	1979-01-17	1979-11-12
1980	1980-01-12	1980-12-14
1981	1981-01-09	1981-11-29
1982	1982-01-25	1982-12-08
1983	1983-03-22	1983-11-30
1984	1984-01-16	1984-11-13
1985	1985-01-03	1985-12-16
1986	1986-01-16	1986-12-17
1987	1987-01-03	1987-12-02
1988	1988-01-01	1988-12-25
1989	1989-01-04	1989-10-31
1990	1990-02-01	1990-11-09
1991	1991-01-05	1991-12-31
1992	1992-01-01	1992-12-23
1993	1993-01-18	1993-12-28
1994	1994-02-01	1994-10-26
1995	1995-01-27	1995-11-06
1996	1996-01-01	1996-10-01
1997	1997-01-22	1997-11-14
1998	1998-01-13	1998-11-13
1999	1999-01-29	1999-12-27
2000	2000-01-26	2000-12-23
2013	2013-01-31	2013-11-13
2015	2015-01-13	2015-12-26

Every Fixed Threshold

Fixed thresholds at Trawalla
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	114	35	1964	11
25 mm (0.98 in): Days with 25 mm or more rain	107	8	1946	1
50 mm (1.97 in): Days with 50 mm or more rain	35	2	1899	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

Download the Data

Data for Trawalla 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).

Trawalla Threshold Days by Year (ASN00089030)

Key Facts for Trawalla Thresholds

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

Every Fixed Threshold

Download the Data

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