Willamina Threshold Days by Year

6 fixed thresholds counted per year at Willamina (USC00359372): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Willamina Thresholds

Willamina: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 1996 with 70.
Willamina: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 1996 with 26.
Willamina: days with 50 mm (1.97 in) or more of precipitation in 63 years, most in 1996 with 5.
Willamina: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1950 with 7.
6 fixed thresholds have at least one qualifying day at Willamina.

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

84 years with a qualifying day

Days per year at Willamina with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 70 in 1996.

Days with 10 mm (0.39 in) or more of precipitation per year at Willamina
Year	Days	Decade average
1936	31	38.3
1937	57	38.3
1938	39	38.3
1939	26	38.3
1940	53	44.2
1941	38	44.2
1942	37	44.2
1943	41	44.2
1944	29	44.2
1945	63	44.2
1946	41	44.2
1947	43	44.2
1948	58	44.2
1949	39	44.2
1950	63	47.7
1951	55	47.7
1952	38	47.7
1953	50	47.7
1954	53	47.7
1955	51	47.7
1956	46	47.7
1957	38	47.7
1958	50	47.7
1959	33	47.7
1960	48	45.2
1961	47	45.2
1962	44	45.2
1963	41	45.2
1964	43	45.2
1965	38	45.2
1966	45	45.2
1967	42	45.2
1968	62	45.2
1969	42	45.2
1970	56	45.3
1971	56	45.3
1972	37	45.3
1973	57	45.3
1974	52	45.3
1975	49	45.3
1976	27	45.3
1977	37	45.3
1978	39	45.3
1979	43	45.3
1980	44	46.8
1981	45	46.8
1982	57	46.8
1983	62	46.8
1984	51	46.8
1985	31	46.8
1986	44	46.8
1987	40	46.8
1991	38	46.9
1992	38	46.9
1993	25	46.9
1994	40	46.9
1995	51	46.9
1996	70	46.9
1997	48	46.9
1998	53	46.9
1999	59	46.9
2000	31	41.4
2001	31	41.4
2002	46	41.4
2003	53	41.4
2004	38	41.4
2005	42	41.4
2006	47	41.4
2007	43	41.4
2010	45	38.7
2011	33	38.7
2013	20	38.7
2014	40	38.7
2015	43	38.7
2016	52	38.7
2017	53	38.7
2018	31	38.7
2019	31	38.7
2020	45	38.3
2021	36	38.3
2022	35	38.3
2023	44	38.3
2024	48	38.3
2025	22	38.3

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

First to last qualifying date each year at Willamina
Year	First date	Last date
1936	1936-01-02	1936-12-24
1937	1937-01-05	1937-12-30
1938	1938-01-14	1938-12-28
1939	1939-01-03	1939-12-31
1940	1940-01-01	1940-12-30
1941	1941-01-05	1941-12-23
1942	1942-01-07	1942-12-31
1943	1943-01-01	1943-12-25
1944	1944-01-01	1944-12-28
1945	1945-01-06	1945-12-30
1946	1946-01-02	1946-12-15
1947	1947-01-11	1947-12-28
1948	1948-01-01	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-30
1951	1951-01-02	1951-12-30
1952	1952-01-10	1952-12-30
1953	1953-01-02	1953-12-21
1954	1954-01-01	1954-12-31
1955	1955-01-01	1955-12-27
1956	1956-01-01	1956-12-18
1957	1957-01-07	1957-12-24
1958	1958-01-08	1958-12-27
1959	1959-01-05	1959-12-12
1960	1960-01-17	1960-12-26
1961	1961-01-06	1961-12-21
1962	1962-01-03	1962-12-31
1963	1963-01-30	1963-12-21
1964	1964-01-02	1964-12-31
1965	1965-01-02	1965-12-31
1966	1966-01-02	1966-12-25
1967	1967-01-05	1967-12-23
1968	1968-01-09	1968-12-31
1969	1969-01-01	1969-12-26
1970	1970-01-04	1970-12-31
1971	1971-01-11	1971-12-25
1972	1972-01-08	1972-12-27
1973	1973-01-11	1973-12-31
1974	1974-01-12	1974-12-30
1975	1975-01-04	1975-12-30
1976	1976-01-05	1976-12-26
1977	1977-02-21	1977-12-30
1978	1978-01-03	1978-12-21
1979	1979-01-10	1979-12-31
1980	1980-01-01	1980-12-27
1981	1981-01-21	1981-12-28
1982	1982-01-01	1982-12-22
1983	1983-01-03	1983-12-30
1984	1984-01-03	1984-12-30
1985	1985-02-07	1985-12-07
1986	1986-01-01	1986-12-29
1987	1987-01-01	1987-12-31
1991	1991-01-06	1991-12-19
1992	1992-01-01	1992-12-28
1993	1993-01-04	1993-12-31
1994	1994-01-01	1994-12-27
1995	1995-01-09	1995-12-28
1996	1996-01-06	1996-12-31
1997	1997-01-01	1997-12-17
1998	1998-01-04	1998-12-28
1999	1999-01-16	1999-12-20
2000	2000-01-09	2000-12-22
2001	2001-01-12	2001-12-28
2002	2002-01-02	2002-12-31
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-07	2005-12-30
2006	2006-01-06	2006-12-25
2007	2007-01-02	2007-12-30
2010	2010-02-04	2010-12-28
2011	2011-01-12	2011-12-29
2013	2013-02-22	2013-12-02
2014	2014-01-09	2014-12-28
2015	2015-01-12	2015-12-24
2016	2016-01-04	2016-12-27
2017	2017-01-01	2017-12-30
2018	2018-01-09	2018-12-24
2019	2019-01-06	2019-12-22
2020	2020-01-01	2020-12-30
2021	2021-01-02	2021-12-25
2022	2022-01-03	2022-12-30
2023	2023-01-07	2023-12-28
2024	2024-01-06	2024-12-29
2025	2025-01-01	2025-10-25

Every Fixed Threshold

Fixed thresholds at Willamina
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	84	70	1996	22
25 mm (0.98 in): Days with 25 mm or more rain	84	26	1996	3
50 mm (1.97 in): Days with 50 mm or more rain	63	5	1996	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1996	1
10 cm (3.9 in): Days with 10 cm or more snowfall	20	7	1950	1
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

Data for Willamina 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).

Willamina Threshold Days by Year

Key Facts for Willamina Thresholds

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

Every Fixed Threshold

Download the Data

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