Marion Threshold Days by Year

17 fixed thresholds counted per year at Marion (USC00315340): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Marion Thresholds

Marion: days with 10 mm (0.39 in) or more of precipitation in 106 years, most in 1959 with 61.
Marion: days with 25 mm (0.98 in) or more of precipitation in 106 years, most in 2018 with 33.
Marion: days with 50 mm (1.97 in) or more of precipitation in 106 years, most in 2018 with 18.
Marion: days with a maximum temperature at or above 30 C (86 F) in 101 years, most in 1931 with 113.
17 fixed thresholds have at least one qualifying day at Marion.

Days at or above 30 C (86 F)

101 years with a qualifying day

Days per year at Marion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 113 in 1931.

Days at or above 30 C (86 F) per year at Marion
Year	Days	Decade average
1896	66	70.5
1897	65	70.5
1898	53	70.5
1899	98	70.5
1900	102	81.2
1902	91	81.2
1903	66	81.2
1907	65	81.2
1908	79	81.2
1909	84	81.2
1910	95	62.4
1911	95	62.4
1912	47	62.4
1913	65	62.4
1914	78	62.4
1915	51	62.4
1916	47	62.4
1917	46	62.4
1918	46	62.4
1919	54	62.4
1920	28	46.9
1921	65	46.9
1922	37	46.9
1923	53	46.9
1924	43	46.9
1927	52	46.9
1928	50	46.9
1931	113	84.7
1934	66	84.7
1935	65	84.7
1936	90	84.7
1937	72	84.7
1939	102	84.7
1940	66	80.1
1942	91	80.1
1943	97	80.1
1944	86	80.1
1945	77	80.1
1946	67	80.1
1947	77	80.1
1954	103	77.8
1955	63	77.8
1956	78	77.8
1957	75	77.8
1958	82	77.8
1959	66	77.8
1960	66	64
1961	61	64
1962	78	64
1963	69	64
1964	69	64
1965	60	64
1966	58	64
1967	44	64
1969	71	64
1970	101	55.8
1971	57	55.8
1972	48	55.8
1973	57	55.8
1974	33	55.8
1975	59	55.8
1976	38	55.8
1977	67	55.8
1978	62	55.8
1979	36	55.8
1980	84	67.6
1981	67	67.6
1982	58	67.6
1983	67	67.6
1986	76	67.6
1987	66	67.6
1988	76	67.6
1989	47	67.6
1991	50	56.5
1992	30	56.5
1993	75	56.5
1999	71	56.5
2000	57	69.2
2002	88	69.2
2003	38	69.2
2004	46	69.2
2005	49	69.2
2006	75	69.2
2007	101	69.2
2008	84	69.2
2009	85	69.2
2010	106	70.9
2011	105	70.9
2014	33	70.9
2015	51	70.9
2016	72	70.9
2017	37	70.9
2018	61	70.9
2019	102	70.9
2020	73	68.7
2021	67	68.7
2022	66	68.7
2023	57	68.7
2024	59	68.7
2025	60	68.7
2026	99	68.7

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

First to last qualifying date each year at Marion
Year	First date	Last date
1896	1896-04-12	1896-09-19
1897	1897-04-24	1897-10-16
1898	1898-03-23	1898-08-24
1899	1899-04-14	1899-10-19
1900	1900-04-08	1900-10-06
1902	1902-05-02	1902-09-26
1903	1903-04-29	1903-10-02
1907	1907-03-22	1907-09-30
1908	1908-04-08	1908-10-19
1909	1909-04-05	1909-10-18
1910	1910-03-29	1910-10-16
1911	1911-05-10	1911-10-07
1912	1912-05-23	1912-10-10
1913	1913-05-02	1913-09-08
1914	1914-04-27	1914-09-23
1915	1915-04-25	1915-09-27
1916	1916-04-13	1916-09-08
1917	1917-04-18	1917-09-08
1918	1918-05-04	1918-10-08
1919	1919-04-09	1919-10-29
1920	1920-06-09	1920-10-08
1921	1921-03-21	1921-09-23
1922	1922-04-13	1922-09-15
1923	1923-06-07	1923-09-24
1924	1924-04-25	1924-09-01
1927	1927-01-24	1927-10-23
1928	1928-05-04	1928-10-14
1931	1931-05-16	1931-10-06
1934	1934-05-05	1934-09-27
1935	1935-03-21	1935-09-22
1936	1936-04-15	1936-09-23
1937	1937-04-18	1937-09-05
1939	1939-05-11	1939-10-27
1940	1940-05-06	1940-09-21
1942	1942-04-05	1942-09-19
1943	1943-04-28	1943-10-20
1944	1944-05-12	1944-09-19
1945	1945-03-17	1945-09-27
1946	1946-04-02	1946-09-12
1947	1947-05-15	1947-09-20
1954	1954-05-27	1954-10-13
1955	1955-04-16	1955-09-23
1956	1956-04-29	1956-10-02
1957	1957-04-22	1957-09-22
1958	1958-04-24	1958-10-10
1959	1959-05-02	1959-10-05
1960	1960-04-23	1960-09-20
1961	1961-04-24	1961-09-26
1962	1962-04-30	1962-10-13
1963	1963-04-03	1963-10-03
1964	1964-04-19	1964-09-23
1965	1965-04-22	1965-09-21
1966	1966-05-06	1966-09-04
1967	1967-04-02	1967-08-26
1969	1969-05-05	1969-09-08
1970	1970-04-22	1970-09-26
1971	1971-04-13	1971-09-15
1972	1972-04-15	1972-09-19
1973	1973-05-23	1973-09-29
1974	1974-04-29	1974-09-12
1975	1975-04-28	1975-09-06
1976	1976-04-18	1976-09-10
1977	1977-05-06	1977-09-07
1978	1978-05-31	1978-09-21
1979	1979-06-01	1979-09-06
1980	1980-04-23	1980-09-23
1981	1981-04-13	1981-09-01
1982	1982-05-12	1982-08-26
1983	1983-06-14	1983-09-12
1986	1986-04-26	1986-10-03
1987	1987-04-30	1987-08-29
1988	1988-05-16	1988-09-24
1989	1989-04-25	1989-09-11
1991	1991-05-29	1991-09-17
1992	1992-05-02	1992-08-12
1993	1993-06-04	1993-09-17
1999	1999-04-05	1999-09-14
2000	2000-05-07	2000-09-25
2002	2002-04-17	2002-10-07
2003	2003-05-09	2003-09-04
2004	2004-04-18	2004-09-03
2005	2005-05-13	2005-09-24
2006	2006-04-08	2006-09-05
2007	2007-03-26	2007-10-09
2008	2008-05-21	2008-09-16
2009	2009-04-25	2009-09-15
2010	2010-04-05	2010-10-22
2011	2011-03-19	2011-09-16
2014	2014-04-28	2014-09-03
2015	2015-04-09	2015-09-19
2016	2016-06-04	2016-10-20
2017	2017-05-11	2017-09-29
2018	2018-05-12	2018-10-06
2019	2019-04-25	2019-10-05
2020	2020-03-29	2020-09-12
2021	2021-05-23	2021-09-19
2022	2022-05-03	2022-09-23
2023	2023-06-04	2023-09-08
2024	2024-04-16	2024-09-23
2025	2025-04-05	2025-09-20
2026	2026-03-12	2026-10-03

Every Fixed Threshold

Fixed thresholds at Marion
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	101	113	1931	99
35 C (95 F): Days	74	31	1900	7
90 F (32.2 C): Days	101	76	2010	49
100 F (37.8 C): Days	19	13	1900	1
0 C (32 F): Ice days (max	67	11	1917	6
0 C (32 F): Frost days (min	97	127	2008	48
-10 C (14 F): Days with min	86	23	2005	6
-20 C (-4 F): Days with min	5	1	1899	1
20 C (68 F): Tropical nights (min	96	56	2018	44
25 C (77 F): Days with min	2	1	1943	1
10 mm (0.39 in): Days with 10 mm or more rain	106	61	1959	34
25 mm (0.98 in): Days with 25 mm or more rain	106	33	2018	14
50 mm (1.97 in): Days with 50 mm or more rain	106	18	2018	2
100 mm (3.94 in): Days with 100 mm or more rain	32	2	1920	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1940	1
10 cm (3.9 in): Days with 10 cm or more snowfall	45	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1942	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

Data for Marion 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).

Marion Threshold Days by Year

Key Facts for Marion Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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