Keosauqua Threshold Days by Year (USC00134389)

20 fixed thresholds counted per year at Keosauqua (USC00134389): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Keosauqua Thresholds

Keosauqua: nights with a minimum temperature at or below 0 C (32 F) in 129 years, most in 1907 with 165.
Keosauqua: nights with a minimum temperature at or below -10 C (14 F) in 129 years, most in 1978 with 66.
Keosauqua: nights with a minimum temperature at or above 20 C (68 F) in 129 years, most in 1934 with 50.
Keosauqua: days with a maximum temperature at or above 30 C (86 F) in 128 years, most in 1936 with 104.
20 fixed thresholds have at least one qualifying day at Keosauqua.

Days at or above 30 C (86 F)

128 years with a qualifying day

Days per year at Keosauqua with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 104 in 1936.

Days at or above 30 C (86 F) per year at Keosauqua
Year	Days	Decade average
1893	76	68.1
1894	85	68.1
1895	67	68.1
1896	53	68.1
1897	78	68.1
1898	52	68.1
1899	66	68.1
1900	74	60.2
1901	94	60.2
1902	49	60.2
1903	45	60.2
1904	34	60.2
1905	57	60.2
1906	78	60.2
1907	47	60.2
1908	59	60.2
1909	65	60.2
1910	63	68.5
1911	101	68.5
1912	72	68.5
1913	85	68.5
1914	89	68.5
1915	25	68.5
1916	64	68.5
1917	40	68.5
1918	65	68.5
1919	81	68.5
1920	57	53.1
1921	81	53.1
1922	70	53.1
1923	59	53.1
1924	31	53.1
1925	60	53.1
1926	34	53.1
1927	53	53.1
1928	44	53.1
1929	42	53.1
1930	71	76.1
1931	63	76.1
1932	51	76.1
1933	82	76.1
1934	92	76.1
1935	64	76.1
1936	104	76.1
1937	74	76.1
1938	78	76.1
1939	82	76.1
1942	61	50.9
1943	59	50.9
1944	64	50.9
1945	41	50.9
1946	31	50.9
1947	63	50.9
1949	37	50.9
1950	34	63.3
1951	44	63.3
1952	72	63.3
1953	89	63.3
1954	74	63.3
1955	78	63.3
1956	86	63.3
1957	53	63.3
1958	31	63.3
1959	72	63.3
1960	52	54.2
1961	54	54.2
1962	55	54.2
1963	68	54.2
1964	64	54.2
1965	45	54.2
1966	52	54.2
1967	37	54.2
1968	60	54.2
1969	55	54.2
1970	56	59.1
1971	78	59.1
1972	59	59.1
1973	53	59.1
1974	38	59.1
1975	67	59.1
1976	53	59.1
1978	64	59.1
1979	64	59.1
1980	75	68.5
1981	44	68.5
1982	41	68.5
1983	89	68.5
1984	70	68.5
1985	52	68.5
1986	60	68.5
1987	89	68.5
1988	93	68.5
1989	72	68.5
1990	60	58.9
1991	79	58.9
1992	38	58.9
1993	42	58.9
1994	60	58.9
1995	61	58.9
1996	52	58.9
1997	56	58.9
1998	65	58.9
1999	76	58.9
2000	72	68.6
2001	68	68.6
2002	82	68.6
2003	56	68.6
2004	48	68.6
2005	88	68.6
2006	78	68.6
2007	93	68.6
2009	32	68.6
2010	88	59.2
2011	76	59.2
2012	82	59.2
2013	47	59.2
2014	30	59.2
2015	42	59.2
2016	48	59.2
2017	61	59.2
2018	68	59.2
2019	50	59.2
2021	51	50.3
2022	63	50.3
2023	48	50.3
2024	45	50.3
2025	52	50.3
2026	43	50.3

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

First to last qualifying date each year at Keosauqua
Year	First date	Last date
1893	1893-04-07	1893-10-01
1894	1894-04-28	1894-09-09
1895	1895-04-30	1895-09-25
1896	1896-04-15	1896-09-02
1897	1897-05-06	1897-10-15
1898	1898-05-23	1898-09-28
1899	1899-05-16	1899-10-22
1900	1900-05-12	1900-10-04
1901	1901-04-29	1901-09-24
1902	1902-04-21	1902-08-29
1903	1903-05-23	1903-09-07
1904	1904-05-22	1904-09-28
1905	1905-04-09	1905-09-29
1906	1906-04-24	1906-09-19
1907	1907-03-21	1907-09-19
1908	1908-05-16	1908-10-14
1909	1909-05-05	1909-10-03
1910	1910-03-23	1910-10-18
1911	1911-05-09	1911-09-27
1912	1912-05-06	1912-10-06
1913	1913-05-01	1913-09-10
1914	1914-04-26	1914-09-19
1915	1915-05-12	1915-09-13
1916	1916-05-25	1916-10-08
1917	1917-05-18	1917-09-16
1918	1918-05-04	1918-08-29
1919	1919-05-30	1919-10-03
1920	1920-05-22	1920-10-10
1921	1921-05-20	1921-09-22
1922	1922-05-10	1922-10-05
1923	1923-05-31	1923-09-05
1924	1924-05-05	1924-08-30
1925	1925-04-22	1925-09-28
1926	1926-05-24	1926-09-18
1927	1927-05-23	1927-09-17
1928	1928-04-03	1928-10-10
1929	1929-05-28	1929-09-28
1930	1930-04-10	1930-10-10
1931	1931-04-12	1931-09-20
1932	1932-05-14	1932-09-19
1933	1933-05-20	1933-09-30
1934	1934-05-06	1934-09-25
1935	1935-06-10	1935-10-16
1936	1936-04-20	1936-09-22
1937	1937-05-27	1937-10-29
1938	1938-03-21	1938-10-16
1939	1939-05-21	1939-10-25
1942	1942-04-29	1942-10-07
1943	1943-05-05	1943-10-10
1944	1944-05-12	1944-09-19
1945	1945-05-20	1945-09-23
1946	1946-04-01	1946-10-07
1947	1947-06-09	1947-10-07
1949	1949-04-25	1949-10-09
1950	1950-04-22	1950-10-31
1951	1951-04-30	1951-10-04
1952	1952-04-28	1952-09-30
1953	1953-05-25	1953-10-20
1954	1954-04-25	1954-10-03
1955	1955-05-02	1955-09-21
1956	1956-04-27	1956-10-18
1957	1957-06-05	1957-09-19
1958	1958-05-31	1958-09-24
1959	1959-05-02	1959-09-22
1960	1960-04-22	1960-10-12
1961	1961-05-31	1961-09-10
1962	1962-05-05	1962-10-14
1963	1963-05-08	1963-10-22
1964	1964-05-16	1964-09-10
1965	1965-04-30	1965-09-09
1966	1966-05-05	1966-09-03
1967	1967-05-18	1967-10-04
1968	1968-05-02	1968-09-22
1969	1969-05-27	1969-10-04
1970	1970-04-28	1970-09-21
1971	1971-04-12	1971-10-01
1972	1972-05-19	1972-09-24
1973	1973-06-08	1973-09-02
1974	1974-05-16	1974-08-26
1975	1975-05-18	1975-10-13
1976	1976-06-08	1976-10-03
1978	1978-05-25	1978-09-20
1979	1979-05-08	1979-10-21
1980	1980-04-21	1980-09-20
1981	1981-04-02	1981-09-30
1982	1982-05-04	1982-09-12
1983	1983-06-09	1983-10-03
1984	1984-05-18	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-28
1987	1987-04-20	1987-09-05
1988	1988-05-07	1988-09-23
1989	1989-04-24	1989-10-14
1990	1990-04-24	1990-10-06
1991	1991-03-26	1991-09-29
1992	1992-04-30	1992-09-16
1993	1993-06-13	1993-09-12
1994	1994-05-23	1994-10-01
1995	1995-06-07	1995-09-05
1996	1996-05-17	1996-09-05
1997	1997-05-18	1997-10-07
1998	1998-05-14	1998-09-27
1999	1999-06-04	1999-10-15
2000	2000-05-08	2000-09-19
2001	2001-04-08	2001-09-12
2002	2002-04-15	2002-10-02
2003	2003-04-14	2003-09-11
2004	2004-04-16	2004-09-15
2005	2005-05-10	2005-10-05
2006	2006-04-13	2006-10-04
2007	2007-04-29	2007-10-08
2009	2009-05-24	2009-08-26
2010	2010-04-01	2010-10-10
2011	2011-04-04	2011-10-09
2012	2012-04-02	2012-09-13
2013	2013-05-15	2013-10-05
2014	2014-05-08	2014-09-05
2015	2015-06-08	2015-09-18
2016	2016-06-10	2016-10-18
2017	2017-05-16	2017-10-04
2018	2018-05-24	2018-10-04
2019	2019-05-17	2019-10-02
2021	2021-06-06	2021-10-01
2022	2022-05-10	2022-10-23
2023	2023-04-05	2023-10-04
2024	2024-04-15	2024-10-13
2025	2025-05-16	2025-10-04
2026	2026-03-22	2026-10-13

Every Fixed Threshold

Fixed thresholds at Keosauqua
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	128	104	1936	43
35 C (95 F): Days	118	56	1936	2
40 C (104 F): Days	21	29	1936	4
45 C (113 F): Days	2	3	1936	3
90 F (32.2 C): Days	128	83	1936	17
100 F (37.8 C): Days	56	39	1936	2
110 F (43.3 C): Days	4	8	1936	8
0 C (32 F): Ice days (max	128	67	2014	24
0 C (32 F): Frost days (min	129	165	1907	71
-10 C (14 F): Days with min	129	66	1978	26
-20 C (-4 F): Days with min	122	27	1936	5
-30 C (-22 F): Days with min	26	6	1905	2
20 C (68 F): Tropical nights (min	129	50	1934	28
25 C (77 F): Days with min	59	10	1901	2
10 mm (0.39 in): Days with 10 mm or more rain	70	51	1973	16
25 mm (0.98 in): Days with 25 mm or more rain	70	20	2010	4
50 mm (1.97 in): Days with 50 mm or more rain	48	6	2010	1
100 mm (3.94 in): Days with 100 mm or more rain	10	1	1959	1
10 cm (3.9 in): Days with 10 cm or more snowfall	82	5	1975	1
25 cm (9.8 in): Days with 25 cm or more snowfall	8	1	1894	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.

Download the Data

Data for Keosauqua 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).

Keosauqua Threshold Days by Year (USC00134389)

Key Facts for Keosauqua Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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