Dandaragan Threshold Days by Year (ASN00009055)

4 fixed thresholds counted per year at Dandaragan (ASN00009055): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dandaragan Thresholds

Dandaragan: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1917 with 42.
Dandaragan: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1917 with 14.
Dandaragan: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1917 with 4.
Dandaragan: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1955 with 1.
4 fixed thresholds have at least one qualifying day at Dandaragan.

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

60 years with a qualifying day

Days per year at Dandaragan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Dandaragan
Year	Days	Decade average
1908	19	22
1909	25	22
1910	25	24.2
1911	15	24.2
1912	21	24.2
1913	26	24.2
1914	6	24.2
1915	26	24.2
1916	29	24.2
1917	42	24.2
1918	31	24.2
1919	21	24.2
1920	35	27.2
1921	29	27.2
1922	22	27.2
1923	36	27.2
1924	30	27.2
1925	22	27.2
1926	33	27.2
1927	20	27.2
1928	21	27.2
1929	24	27.2
1930	22	19.4
1931	22	19.4
1932	22	19.4
1933	21	19.4
1934	20	19.4
1935	16	19.4
1936	17	19.4
1937	12	19.4
1938	14	19.4
1939	28	19.4
1940	15	19.7
1941	17	19.7
1942	23	19.7
1943	16	19.7
1944	13	19.7
1945	28	19.7
1946	34	19.7
1947	22	19.7
1948	18	19.7
1949	11	19.7
1950	20	20.3
1951	17	20.3
1952	19	20.3
1953	18	20.3
1954	11	20.3
1955	33	20.3
1956	28	20.3
1957	18	20.3
1958	24	20.3
1959	15	20.3
1960	21	21
1961	15	21
1962	24	21
1963	28	21
1964	26	21
1965	31	21
1966	12	21
1967	11	21

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

First to last qualifying date each year at Dandaragan
Year	First date	Last date
1908	1908-03-28	1908-10-14
1909	1909-05-03	1909-10-22
1910	1910-02-08	1910-10-17
1911	1911-04-26	1911-09-12
1912	1912-02-14	1912-12-27
1913	1913-02-15	1913-12-20
1914	1914-05-21	1914-08-21
1915	1915-02-25	1915-10-20
1916	1916-01-21	1916-11-09
1917	1917-02-10	1917-12-20
1918	1918-02-17	1918-10-28
1919	1919-04-16	1919-09-19
1920	1920-03-12	1920-11-03
1921	1921-01-16	1921-11-04
1922	1922-02-26	1922-10-14
1923	1923-02-13	1923-12-16
1924	1924-05-12	1924-11-17
1925	1925-05-13	1925-10-12
1926	1926-04-16	1926-11-19
1927	1927-03-13	1927-10-29
1928	1928-04-20	1928-12-21
1929	1929-02-23	1929-10-06
1930	1930-04-15	1930-10-11
1931	1931-05-04	1931-09-07
1932	1932-03-28	1932-10-29
1933	1933-02-03	1933-10-03
1934	1934-03-08	1934-11-03
1935	1935-01-07	1935-09-10
1936	1936-05-22	1936-12-24
1937	1937-05-14	1937-09-17
1938	1938-03-15	1938-11-02
1939	1939-01-20	1939-10-04
1940	1940-01-23	1940-12-03
1941	1941-04-22	1941-10-24
1942	1942-03-01	1942-09-18
1943	1943-01-31	1943-08-23
1944	1944-05-18	1944-12-07
1945	1945-05-16	1945-11-12
1946	1946-04-19	1946-11-13
1947	1947-03-06	1947-11-19
1948	1948-03-20	1948-11-15
1949	1949-06-03	1949-09-01
1950	1950-05-05	1950-10-10
1951	1951-04-06	1951-09-27
1952	1952-03-29	1952-12-18
1953	1953-02-02	1953-11-16
1954	1954-05-23	1954-11-11
1955	1955-01-12	1955-10-27
1956	1956-03-04	1956-11-29
1957	1957-01-20	1957-08-29
1958	1958-01-22	1958-11-26
1959	1959-02-09	1959-10-07
1960	1960-01-01	1960-09-23
1961	1961-04-14	1961-11-20
1962	1962-01-01	1962-11-09
1963	1963-02-17	1963-10-31
1964	1964-02-24	1964-10-09
1965	1965-05-04	1965-11-01
1966	1966-04-04	1966-10-09
1967	1967-04-22	1967-09-02

Every Fixed Threshold

Fixed thresholds at Dandaragan
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	60	42	1917	11
25 mm (0.98 in): Days with 25 mm or more rain	58	14	1917	4
50 mm (1.97 in): Days with 50 mm or more rain	19	4	1917	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1955	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.

Download the Data

Data for Dandaragan 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).

Dandaragan Threshold Days by Year (ASN00009055)

Key Facts for Dandaragan Thresholds

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

Every Fixed Threshold

Download the Data

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