Clinton Threshold Days by Year (USC00231711)

20 fixed thresholds counted per year at Clinton (USC00231711): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Clinton Thresholds

Clinton: days with 10 mm (0.39 in) or more of precipitation in 100 years, most in 1973 with 57.
Clinton: days with 25 mm (0.98 in) or more of precipitation in 100 years, most in 1915 with 26.
Clinton: days with a maximum temperature at or above 30 C (86 F) in 95 years, most in 1936 with 118.
Clinton: days with a maximum temperature at or above 90 F (32.2 C) in 95 years, most in 1936 with 104.
20 fixed thresholds have at least one qualifying day at Clinton.

Days at or above 30 C (86 F)

95 years with a qualifying day

Days per year at Clinton with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1936.

Days at or above 30 C (86 F) per year at Clinton
Year	Days	Decade average
1907	76	88.7
1908	86	88.7
1909	104	88.7
1910	77	92.7
1912	95	92.7
1913	110	92.7
1914	103	92.7
1915	69	92.7
1916	97	92.7
1917	83	92.7
1918	98	92.7
1919	102	92.7
1920	81	89.3
1921	101	89.3
1922	104	89.3
1923	90	89.3
1924	89	89.3
1925	112	89.3
1926	89	89.3
1927	76	89.3
1928	63	89.3
1929	88	89.3
1930	113	101.7
1931	101	101.7
1932	79	101.7
1933	114	101.7
1934	100	101.7
1935	75	101.7
1936	118	101.7
1937	99	101.7
1938	104	101.7
1939	114	101.7
1940	85	81.6
1941	101	81.6
1942	80	81.6
1943	76	81.6
1944	90	81.6
1945	64	81.6
1946	82	81.6
1947	89	81.6
1948	77	81.6
1949	72	81.6
1951	37	76.8
1952	99	76.8
1953	109	76.8
1955	80	76.8
1956	97	76.8
1957	60	76.8
1958	55	76.8
1959	77	76.8
1962	100	96
1963	113	96
1964	75	96
1970	82	80.1
1971	84	80.1
1972	76	80.1
1973	78	80.1
1974	66	80.1
1975	89	80.1
1976	80	80.1
1977	76	80.1
1978	89	80.1
1979	81	80.1
1980	112	76.9
1981	69	76.9
1982	65	76.9
1983	87	76.9
1984	75	76.9
1985	62	76.9
1987	87	76.9
1988	80	76.9
1989	55	76.9
1991	104	71.6
1992	38	71.6
1993	69	71.6
1994	68	71.6
1995	71	71.6
1996	65	71.6
1997	70	71.6
1998	90	71.6
1999	69	71.6
2000	74	71
2001	69	71
2002	86	71
2003	73	71
2005	85	71
2006	77	71
2009	33	71
2010	78	72.4
2014	55	72.4
2015	56	72.4
2016	76	72.4
2018	97	72.4
2020	67	58
2026	49	58

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

First to last qualifying date each year at Clinton
Year	First date	Last date
1907	1907-03-20	1907-09-20
1908	1908-04-20	1908-10-17
1909	1909-04-17	1909-11-03
1910	1910-03-22	1910-10-16
1912	1912-05-03	1912-10-09
1913	1913-04-17	1913-10-13
1914	1914-04-25	1914-10-05
1915	1915-04-17	1915-10-16
1916	1916-05-05	1916-10-08
1917	1917-04-23	1917-10-17
1918	1918-03-13	1918-10-07
1919	1919-04-22	1919-10-09
1920	1920-05-22	1920-10-10
1921	1921-03-18	1921-09-24
1922	1922-04-06	1922-10-06
1923	1923-05-10	1923-09-29
1924	1924-04-07	1924-10-17
1925	1925-04-18	1925-10-03
1926	1926-05-17	1926-09-23
1927	1927-04-28	1927-10-27
1928	1928-05-10	1928-10-14
1929	1929-03-24	1929-10-18
1930	1930-04-09	1930-10-10
1931	1931-05-16	1931-10-10
1932	1932-04-22	1932-10-18
1933	1933-04-09	1933-09-30
1934	1934-05-06	1934-10-13
1935	1935-06-10	1935-10-15
1936	1936-04-12	1936-09-22
1937	1937-05-18	1937-10-29
1938	1938-05-18	1938-10-17
1939	1939-05-17	1939-10-25
1940	1940-03-31	1940-10-25
1941	1941-04-12	1941-10-21
1942	1942-05-26	1942-09-18
1943	1943-05-05	1943-09-12
1944	1944-05-13	1944-10-06
1945	1945-03-22	1945-09-22
1946	1946-03-31	1946-10-08
1947	1947-05-14	1947-10-22
1948	1948-04-18	1948-09-21
1949	1949-04-25	1949-10-09
1951	1951-04-29	1951-10-05
1952	1952-04-30	1952-10-27
1953	1953-05-23	1953-10-17
1955	1955-05-01	1955-09-30
1956	1956-04-27	1956-10-18
1957	1957-06-06	1957-09-20
1958	1958-05-23	1958-10-21
1959	1959-05-01	1959-09-28
1962	1962-04-30	1962-10-15
1963	1963-04-17	1963-10-27
1964	1964-05-05	1964-10-18
1970	1970-04-27	1970-09-21
1971	1971-04-20	1971-10-02
1972	1972-04-13	1972-09-21
1973	1973-05-22	1973-10-09
1974	1974-05-14	1974-09-19
1975	1975-04-28	1975-10-14
1976	1976-05-23	1976-10-13
1977	1977-05-25	1977-10-28
1978	1978-05-24	1978-10-22
1979	1979-05-09	1979-10-22
1980	1980-04-21	1980-10-10
1981	1981-04-11	1981-10-01
1982	1982-05-05	1982-10-06
1983	1983-05-29	1983-10-04
1984	1984-05-14	1984-09-25
1985	1985-04-19	1985-09-21
1987	1987-04-20	1987-09-27
1988	1988-05-12	1988-09-23
1989	1989-04-23	1989-10-12
1991	1991-05-14	1991-10-24
1992	1992-05-02	1992-09-18
1993	1993-06-13	1993-09-23
1994	1994-05-25	1994-10-02
1995	1995-05-14	1995-10-13
1996	1996-04-12	1996-09-12
1997	1997-05-18	1997-10-07
1998	1998-05-14	1998-09-30
1999	1999-06-04	1999-10-16
2000	2000-05-08	2000-10-04
2001	2001-05-16	2001-09-08
2002	2002-04-16	2002-10-03
2003	2003-05-10	2003-09-12
2005	2005-05-11	2005-10-06
2006	2006-04-14	2006-10-04
2009	2009-05-30	2009-09-28
2010	2010-05-23	2010-10-09
2014	2014-05-05	2014-10-27
2015	2015-06-08	2015-10-09
2016	2016-05-27	2016-10-18
2018	2018-05-07	2018-10-06
2020	2020-05-26	2020-10-08
2026	2026-03-26	2026-10-14

Every Fixed Threshold

Fixed thresholds at Clinton
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	95	118	1936	49
35 C (95 F): Days	93	82	1913	16
40 C (104 F): Days	33	49	1936	1
45 C (113 F): Days	4	9	1936	1
90 F (32.2 C): Days	95	104	1936	29
100 F (37.8 C): Days	72	72	1936	6
110 F (43.3 C): Days	8	23	1936	1
0 C (32 F): Ice days (max	95	48	1978	4
0 C (32 F): Frost days (min	91	148	1956	31
-10 C (14 F): Days with min	91	51	1963	10
-20 C (-4 F): Days with min	65	19	1989	1
-30 C (-22 F): Days with min	3	5	1989	5
20 C (68 F): Tropical nights (min	91	76	1936	33
25 C (77 F): Days with min	41	14	1980	1
10 mm (0.39 in): Days with 10 mm or more rain	100	57	1973	23
25 mm (0.98 in): Days with 25 mm or more rain	100	26	1915	7
50 mm (1.97 in): Days with 50 mm or more rain	93	8	1985	3
100 mm (3.94 in): Days with 100 mm or more rain	19	2	1925	1
10 cm (3.9 in): Days with 10 cm or more snowfall	59	5	1925	1
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1914	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

Data for Clinton 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).

Clinton Threshold Days by Year (USC00231711)

Key Facts for Clinton Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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