Marysville Threshold Days by Year (USC00334979)

18 fixed thresholds counted per year at Marysville (USC00334979): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marysville Thresholds

Marysville: days with a maximum temperature at or above 30 C (86 F) in 107 years, most in 1936 with 87.
Marysville: days with a maximum temperature at or below 0 C (32 F) in 107 years, most in 1978 with 60.
Marysville: days with a maximum temperature at or above 90 F (32.2 C) in 106 years, most in 1936 with 61.
Marysville: nights with a minimum temperature at or below 0 C (32 F) in 106 years, most in 1966 with 161.
18 fixed thresholds have at least one qualifying day at Marysville.

Days at or above 30 C (86 F)

107 years with a qualifying day

Days per year at Marysville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 87 in 1936.

Days at or above 30 C (86 F) per year at Marysville
Year	Days	Decade average
1917	31	46.7
1918	50	46.7
1919	59	46.7
1920	22	30
1921	55	30
1922	38	30
1923	33	30
1924	26	30
1925	45	30
1926	35	30
1927	19	30
1928	14	30
1929	13	30
1930	52	63.5
1931	63	63.5
1932	59	63.5
1933	66	63.5
1934	86	63.5
1935	52	63.5
1936	87	63.5
1937	53	63.5
1938	51	63.5
1939	66	63.5
1940	54	46.7
1941	64	46.7
1942	52	46.7
1943	47	46.7
1944	61	46.7
1945	34	46.7
1946	22	46.7
1947	29	46.7
1948	38	46.7
1949	66	46.7
1950	26	46.1
1951	44	46.1
1952	59	46.1
1953	65	46.1
1954	38	46.1
1955	62	46.1
1956	40	46.1
1957	38	46.1
1958	23	46.1
1959	66	46.1
1960	38	36.6
1961	34	36.6
1962	33	36.6
1963	28	36.6
1964	42	36.6
1965	42	36.6
1966	44	36.6
1967	27	36.6
1968	40	36.6
1969	38	36.6
1970	41	35.1
1971	43	35.1
1972	28	35.1
1973	34	35.1
1974	30	35.1
1975	42	35.1
1976	22	35.1
1977	47	35.1
1978	39	35.1
1979	25	35.1
1980	39	36.6
1981	19	36.6
1982	33	36.6
1983	61	36.6
1984	35	36.6
1985	24	36.6
1986	34	36.6
1987	46	36.6
1988	54	36.6
1989	21	36.6
1990	21	39.6
1991	58	39.6
1992	11	39.6
1995	47	39.6
1996	41	39.6
1997	27	39.6
1998	52	39.6
1999	60	39.6
2000	28	42.2
2001	39	42.2
2002	67	42.2
2003	24	42.2
2004	34	42.2
2005	58	42.2
2006	42	42.2
2007	61	42.2
2008	44	42.2
2009	25	42.2
2010	71	52.2
2011	60	52.2
2012	68	52.2
2013	35	52.2
2014	31	52.2
2015	44	52.2
2016	68	52.2
2017	37	52.2
2018	56	52.2
2019	52	52.2
2021	44	40.3
2022	33	40.3
2023	21	40.3
2024	54	40.3
2025	45	40.3
2026	45	40.3

For each year, a bar from the first to the last day at Marysville meeting 30 C (86 F).

First to last qualifying date each year at Marysville
Year	First date	Last date
1917	1917-06-13	1917-09-15
1918	1918-05-25	1918-08-24
1919	1919-05-30	1919-10-03
1920	1920-06-09	1920-09-26
1921	1921-05-23	1921-09-10
1922	1922-06-10	1922-10-05
1923	1923-06-01	1923-09-27
1924	1924-06-19	1924-09-01
1925	1925-05-23	1925-09-20
1926	1926-05-07	1926-09-22
1927	1927-06-29	1927-09-18
1928	1928-07-01	1928-09-11
1929	1929-05-27	1929-09-03
1930	1930-04-11	1930-09-24
1931	1931-05-28	1931-09-22
1932	1932-05-24	1932-09-19
1933	1933-05-24	1933-09-26
1934	1934-05-06	1934-09-26
1935	1935-06-13	1935-09-25
1936	1936-05-07	1936-09-22
1937	1937-05-22	1937-10-01
1938	1938-05-03	1938-10-12
1939	1939-05-19	1939-10-09
1940	1940-05-06	1940-09-21
1941	1941-04-13	1941-09-30
1942	1942-04-30	1942-09-18
1943	1943-06-03	1943-09-04
1944	1944-05-15	1944-09-20
1945	1945-06-01	1945-09-23
1946	1946-06-11	1946-10-07
1947	1947-06-10	1947-09-13
1948	1948-06-04	1948-09-19
1949	1949-05-03	1949-10-09
1950	1950-05-05	1950-09-01
1951	1951-05-15	1951-10-05
1952	1952-04-21	1952-10-01
1953	1953-05-25	1953-10-20
1954	1954-05-31	1954-10-02
1955	1955-05-03	1955-09-19
1956	1956-05-13	1956-09-13
1957	1957-06-14	1957-09-02
1958	1958-06-05	1958-09-04
1959	1959-05-02	1959-10-04
1960	1960-04-23	1960-09-08
1961	1961-06-11	1961-09-24
1962	1962-05-14	1962-09-13
1963	1963-05-09	1963-10-07
1964	1964-05-19	1964-09-17
1965	1965-05-08	1965-09-20
1966	1966-06-09	1966-09-03
1967	1967-05-27	1967-08-08
1968	1968-06-06	1968-09-23
1969	1969-05-06	1969-09-06
1970	1970-05-20	1970-09-24
1971	1971-06-04	1971-10-03
1972	1972-05-24	1972-09-17
1973	1973-06-03	1973-09-05
1974	1974-05-17	1974-08-27
1975	1975-05-19	1975-08-25
1976	1976-06-08	1976-09-08
1977	1977-05-16	1977-09-09
1978	1978-05-27	1978-09-21
1979	1979-05-08	1979-08-31
1980	1980-05-29	1980-09-21
1981	1981-06-14	1981-08-05
1982	1982-05-06	1982-09-14
1983	1983-06-10	1983-09-19
1984	1984-05-19	1984-09-22
1985	1985-04-21	1985-09-09
1986	1986-04-26	1986-09-29
1987	1987-05-17	1987-08-18
1988	1988-05-15	1988-08-18
1989	1989-05-30	1989-08-05
1990	1990-04-27	1990-09-06
1991	1991-05-14	1991-09-16
1992	1992-05-22	1992-08-26
1995	1995-06-17	1995-09-07
1996	1996-05-19	1996-09-12
1997	1997-06-21	1997-09-03
1998	1998-05-14	1998-09-27
1999	1999-05-12	1999-09-28
2000	2000-05-06	2000-09-03
2001	2001-05-03	2001-09-09
2002	2002-04-18	2002-09-20
2003	2003-06-23	2003-08-29
2004	2004-05-06	2004-09-22
2005	2005-05-11	2005-09-22
2006	2006-05-25	2006-08-26
2007	2007-05-09	2007-10-08
2008	2008-06-05	2008-09-14
2009	2009-04-25	2009-08-19
2010	2010-05-23	2010-10-10
2011	2011-05-12	2011-09-13
2012	2012-05-02	2012-09-07
2013	2013-05-15	2013-09-20
2014	2014-05-08	2014-10-02
2015	2015-05-07	2015-09-08
2016	2016-05-27	2016-09-23
2017	2017-04-26	2017-09-27
2018	2018-05-14	2018-10-09
2019	2019-05-18	2019-10-03
2021	2021-05-22	2021-09-20
2022	2022-05-31	2022-09-22
2023	2023-06-02	2023-09-06
2024	2024-05-20	2024-09-23
2025	2025-06-22	2025-09-30
2026	2026-05-19	2026-10-14

Every Fixed Threshold

Fixed thresholds at Marysville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	107	87	1936	45
35 C (95 F): Days	61	25	1936	1
40 C (104 F): Days	3	7	1936	7
90 F (32.2 C): Days	106	61	1936	14
100 F (37.8 C): Days	14	12	1936	2
0 C (32 F): Ice days (max	107	60	1978	29
0 C (32 F): Frost days (min	106	161	1966	69
-10 C (14 F): Days with min	106	55	1968	27
-20 C (-4 F): Days with min	72	16	1963	8
-30 C (-22 F): Days with min	3	1	1918	1
20 C (68 F): Tropical nights (min	105	39	2016	37
25 C (77 F): Days with min	10	1	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	106	52	2011	34
25 mm (0.98 in): Days with 25 mm or more rain	106	17	1929	13
50 mm (1.97 in): Days with 50 mm or more rain	73	4	1957	3
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1939	1
10 cm (3.9 in): Days with 10 cm or more snowfall	63	4	1936	2
25 cm (9.8 in): Days with 25 cm or more snowfall	8	2	2008	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

Data for Marysville 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Marysville Threshold Days by Year (USC00334979)

Key Facts for Marysville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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