Willsons River Threshold Days by Year

4 fixed thresholds counted per year at Willsons River (ASN00022813): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willsons River Thresholds

Willsons River: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1910 with 28.
Willsons River: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 1910 with 10.
Willsons River: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1935 with 2.
Willsons River: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1941 with 1.
4 fixed thresholds have at least one qualifying day at Willsons River.

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

73 years with a qualifying day

Days per year at Willsons River with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1910.

Days with 10 mm (0.39 in) or more of precipitation per year at Willsons River
Year	Days	Decade average
1893	17	15.3
1894	18	15.3
1895	17	15.3
1896	11	15.3
1898	14	15.3
1899	15	15.3
1900	19	17.1
1901	16	17.1
1902	9	17.1
1903	18	17.1
1904	22	17.1
1905	17	17.1
1906	21	17.1
1907	15	17.1
1908	15	17.1
1909	19	17.1
1910	28	16.2
1911	19	16.2
1912	14	16.2
1913	8	16.2
1914	8	16.2
1915	11	16.2
1916	20	16.2
1917	26	16.2
1918	15	16.2
1919	13	16.2
1922	27	16.4
1923	18	16.4
1924	12	16.4
1925	17	16.4
1927	16	16.4
1928	13	16.4
1929	12	16.4
1930	14	15.7
1931	19	15.7
1932	17	15.7
1933	17	15.7
1934	21	15.7
1935	14	15.7
1936	11	15.7
1937	15	15.7
1938	13	15.7
1939	16	15.7
1940	16	15.3
1941	11	15.3
1942	21	15.3
1943	18	15.3
1944	15	15.3
1945	13	15.3
1946	18	15.3
1947	16	15.3
1948	13	15.3
1949	12	15.3
1950	20	17.3
1951	17	17.3
1952	21	17.3
1953	19	17.3
1954	20	17.3
1955	24	17.3
1956	15	17.3
1957	15	17.3
1958	13	17.3
1959	9	17.3
1960	20	15.6
1961	7	15.6
1962	11	15.6
1963	16	15.6
1964	20	15.6
1965	16	15.6
1966	20	15.6
1967	7	15.6
1968	22	15.6
1969	17	15.6

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

First to last qualifying date each year at Willsons River
Year	First date	Last date
1893	1893-03-30	1893-11-12
1894	1894-01-12	1894-12-25
1895	1895-01-03	1895-08-19
1896	1896-01-16	1896-09-16
1898	1898-02-27	1898-07-28
1899	1899-01-17	1899-11-06
1900	1900-01-21	1900-09-22
1901	1901-04-01	1901-12-20
1902	1902-05-28	1902-12-16
1903	1903-01-20	1903-12-10
1904	1904-01-20	1904-12-11
1905	1905-01-03	1905-10-27
1906	1906-01-07	1906-11-18
1907	1907-04-04	1907-11-01
1908	1908-02-07	1908-12-20
1909	1909-01-03	1909-10-16
1910	1910-03-05	1910-11-30
1911	1911-02-05	1911-12-03
1912	1912-02-22	1912-12-06
1913	1913-02-13	1913-11-08
1914	1914-02-27	1914-10-30
1915	1915-04-08	1915-09-10
1916	1916-03-26	1916-11-23
1917	1917-02-12	1917-12-30
1918	1918-04-24	1918-10-25
1919	1919-02-16	1919-12-27
1922	1922-01-06	1922-12-09
1923	1923-05-05	1923-12-14
1924	1924-01-11	1924-10-21
1925	1925-03-03	1925-10-13
1927	1927-01-05	1927-12-02
1928	1928-02-12	1928-10-14
1929	1929-05-07	1929-11-12
1930	1930-02-21	1930-09-17
1931	1931-03-03	1931-11-07
1932	1932-02-05	1932-10-13
1933	1933-01-20	1933-09-18
1934	1934-04-04	1934-12-09
1935	1935-03-20	1935-12-24
1936	1936-01-07	1936-11-19
1937	1937-01-26	1937-12-11
1938	1938-02-20	1938-12-27
1939	1939-01-25	1939-11-05
1940	1940-01-05	1940-11-22
1941	1941-01-24	1941-09-30
1942	1942-01-20	1942-11-22
1943	1943-02-11	1943-10-17
1944	1944-04-02	1944-12-21
1945	1945-01-30	1945-12-04
1946	1946-01-16	1946-12-25
1947	1947-03-12	1947-11-09
1948	1948-04-07	1948-12-16
1949	1949-02-20	1949-10-15
1950	1950-04-04	1950-12-20
1951	1951-02-22	1951-10-23
1952	1952-01-24	1952-11-27
1953	1953-01-27	1953-11-15
1954	1954-01-27	1954-12-12
1955	1955-02-08	1955-11-23
1956	1956-03-06	1956-10-17
1957	1957-03-13	1957-09-03
1958	1958-05-14	1958-10-10
1959	1959-02-13	1959-12-25
1960	1960-02-01	1960-12-31
1961	1961-01-01	1961-09-13
1962	1962-03-28	1962-11-07
1963	1963-01-15	1963-10-28
1964	1964-02-01	1964-12-25
1965	1965-03-12	1965-11-25
1966	1966-03-15	1966-12-05
1967	1967-02-23	1967-08-13
1968	1968-03-29	1968-11-02
1969	1969-02-09	1969-11-05

Every Fixed Threshold

Fixed thresholds at Willsons River
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	73	28	1910	17
25 mm (0.98 in): Days with 25 mm or more rain	66	10	1910	2
50 mm (1.97 in): Days with 50 mm or more rain	14	2	1935	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

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Data for Willsons River 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Willsons River Threshold Days by Year

Key Facts for Willsons River Thresholds

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

Every Fixed Threshold

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