La Harpe Threshold Days by Year (USC00114823)

21 fixed thresholds counted per year at La Harpe (USC00114823): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for La Harpe Thresholds

La Harpe: days with a maximum temperature at or above 30 C (86 F) in 130 years, most in 1934 with 95.
La Harpe: days with a maximum temperature at or above 90 F (32.2 C) in 130 years, most in 1936 with 76.
La Harpe: days with a maximum temperature at or below 0 C (32 F) in 130 years, most in 1978 with 68.
La Harpe: days with 10 mm (0.39 in) or more of precipitation in 130 years, most in 2009 with 47.
21 fixed thresholds have at least one qualifying day at La Harpe.

Days at or above 30 C (86 F)

130 years with a qualifying day

Days per year at La Harpe with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 1934.

Days at or above 30 C (86 F) per year at La Harpe
Year	Days	Decade average
1897	82	65.3
1898	50	65.3
1899	64	65.3
1900	75	53.4
1901	86	53.4
1902	40	53.4
1903	39	53.4
1904	26	53.4
1905	43	53.4
1906	65	53.4
1907	40	53.4
1908	64	53.4
1909	56	53.4
1910	43	61.3
1911	80	61.3
1912	58	61.3
1913	84	61.3
1914	79	61.3
1915	20	61.3
1916	63	61.3
1917	36	61.3
1918	64	61.3
1919	86	61.3
1920	60	51.9
1921	57	51.9
1922	75	51.9
1923	45	51.9
1924	20	51.9
1925	67	51.9
1926	56	51.9
1927	45	51.9
1928	49	51.9
1929	45	51.9
1930	81	74.6
1931	70	74.6
1932	59	74.6
1933	75	74.6
1934	95	74.6
1935	67	74.6
1936	94	74.6
1937	67	74.6
1938	68	74.6
1939	70	74.6
1940	66	63.9
1941	74	63.9
1942	62	63.9
1943	67	63.9
1944	70	63.9
1945	45	63.9
1946	51	63.9
1947	64	63.9
1948	66	63.9
1949	74	63.9
1950	36	55.9
1951	52	55.9
1952	64	55.9
1953	75	55.9
1954	72	55.9
1955	63	55.9
1956	63	55.9
1957	46	55.9
1958	28	55.9
1959	60	55.9
1960	32	54.2
1961	54	54.2
1962	65	54.2
1963	69	54.2
1964	71	54.2
1965	52	54.2
1966	59	54.2
1967	34	54.2
1968	53	54.2
1969	53	54.2
1970	56	57.4
1971	67	57.4
1972	62	57.4
1973	51	57.4
1974	35	57.4
1975	61	57.4
1976	54	57.4
1977	64	57.4
1978	60	57.4
1979	64	57.4
1980	73	60.1
1981	41	60.1
1982	40	60.1
1983	87	60.1
1984	55	60.1
1985	48	60.1
1986	47	60.1
1987	77	60.1
1988	82	60.1
1989	51	60.1
1990	44	46.8
1991	65	46.8
1992	27	46.8
1993	38	46.8
1994	51	46.8
1995	56	46.8
1996	31	46.8
1997	44	46.8
1998	58	46.8
1999	54	46.8
2000	56	50.8
2001	44	50.8
2002	63	50.8
2003	42	50.8
2004	36	50.8
2005	83	50.8
2006	64	50.8
2007	76	50.8
2008	29	50.8
2009	15	50.8
2010	56	52.5
2011	58	52.5
2012	72	52.5
2013	48	52.5
2014	33	52.5
2015	38	52.5
2016	59	52.5
2017	50	52.5
2018	66	52.5
2019	45	52.5
2020	35	46.1
2021	43	46.1
2022	36	46.1
2023	44	46.1
2024	49	46.1
2025	65	46.1
2026	51	46.1

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

First to last qualifying date each year at La Harpe
Year	First date	Last date
1897	1897-05-07	1897-10-15
1898	1898-05-24	1898-09-29
1899	1899-05-16	1899-10-15
1900	1900-05-12	1900-10-28
1901	1901-04-29	1901-09-28
1902	1902-04-21	1902-08-29
1903	1903-05-16	1903-09-07
1904	1904-05-22	1904-09-28
1905	1905-06-04	1905-10-09
1906	1906-05-14	1906-09-25
1907	1907-03-21	1907-10-02
1908	1908-05-12	1908-09-26
1909	1909-05-05	1909-09-13
1910	1910-03-23	1910-09-18
1911	1911-05-08	1911-09-14
1912	1912-05-06	1912-10-06
1913	1913-05-01	1913-09-10
1914	1914-04-17	1914-09-20
1915	1915-04-25	1915-09-13
1916	1916-05-07	1916-10-08
1917	1917-05-18	1917-09-15
1918	1918-03-13	1918-10-05
1919	1919-05-29	1919-10-03
1920	1920-05-22	1920-09-26
1921	1921-05-20	1921-09-22
1922	1922-05-10	1922-10-04
1923	1923-06-03	1923-09-08
1924	1924-05-05	1924-08-31
1925	1925-04-22	1925-09-29
1926	1926-04-30	1926-10-03
1927	1927-06-25	1927-10-28
1928	1928-05-02	1928-10-10
1929	1929-04-04	1929-09-28
1930	1930-04-10	1930-10-10
1931	1931-05-16	1931-10-05
1932	1932-05-06	1932-09-19
1933	1933-05-20	1933-09-30
1934	1934-05-06	1934-09-25
1935	1935-06-12	1935-09-24
1936	1936-04-20	1936-09-21
1937	1937-05-29	1937-10-05
1938	1938-05-03	1938-10-15
1939	1939-05-17	1939-10-08
1940	1940-05-13	1940-10-26
1941	1941-04-13	1941-09-23
1942	1942-04-29	1942-09-18
1943	1943-05-05	1943-09-06
1944	1944-05-15	1944-09-20
1945	1945-06-23	1945-09-09
1946	1946-06-07	1946-10-07
1947	1947-06-09	1947-10-15
1948	1948-05-28	1948-09-20
1949	1949-05-03	1949-10-09
1950	1950-05-18	1950-10-31
1951	1951-04-30	1951-10-04
1952	1952-04-29	1952-09-30
1953	1953-05-25	1953-10-02
1954	1954-06-07	1954-10-03
1955	1955-05-23	1955-09-21
1956	1956-04-27	1956-10-01
1957	1957-06-06	1957-09-19
1958	1958-05-31	1958-09-24
1959	1959-05-02	1959-09-22
1960	1960-06-04	1960-09-09
1961	1961-05-31	1961-09-11
1962	1962-04-26	1962-10-12
1963	1963-05-08	1963-10-22
1964	1964-04-16	1964-09-20
1965	1965-04-30	1965-09-20
1966	1966-05-05	1966-09-13
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	1971-10-02
1972	1972-05-19	1972-09-24
1973	1973-06-08	1973-09-02
1974	1974-05-20	1974-08-26
1975	1975-05-18	1975-10-13
1976	1976-06-07	1976-10-03
1977	1977-04-16	1977-09-07
1978	1978-05-25	1978-09-20
1979	1979-05-08	1979-10-21
1980	1980-04-22	1980-09-21
1981	1981-04-02	1981-09-30
1982	1982-05-05	1982-10-05
1983	1983-06-09	1983-10-02
1984	1984-05-19	1984-09-25
1985	1985-04-19	1985-09-20
1986	1986-03-30	1986-09-26
1987	1987-04-21	1987-09-25
1988	1988-05-13	1988-09-23
1989	1989-04-27	1989-09-09
1990	1990-04-26	1990-10-07
1991	1991-05-13	1991-09-15
1992	1992-05-01	1992-09-17
1993	1993-06-11	1993-09-13
1994	1994-05-23	1994-10-01
1995	1995-06-08	1995-09-01
1996	1996-05-18	1996-08-23
1997	1997-05-18	1997-10-07
1998	1998-05-15	1998-09-28
1999	1999-06-05	1999-09-26
2000	2000-05-09	2000-09-19
2001	2001-05-10	2001-09-08
2002	2002-04-16	2002-10-02
2003	2003-04-15	2003-09-12
2004	2004-04-17	2004-09-15
2005	2005-05-11	2005-10-06
2006	2006-04-14	2006-10-04
2007	2007-04-30	2007-10-09
2008	2008-06-07	2008-09-02
2009	2009-06-01	2009-08-09
2010	2010-05-23	2010-10-09
2011	2011-05-09	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	2015-10-21
2016	2016-05-24	2016-10-18
2017	2017-05-16	2017-10-03
2018	2018-05-15	2018-10-04
2019	2019-05-17	2019-10-02
2020	2020-05-25	2020-09-07
2021	2021-06-06	2021-09-28
2022	2022-05-10	2022-09-21
2023	2023-05-31	2023-10-04
2024	2024-05-20	2024-10-13
2025	2025-05-15	2025-10-04
2026	2026-03-27	2026-10-13

Every Fixed Threshold

Fixed thresholds at La Harpe
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	130	95	1934	51
35 C (95 F): Days	113	47	1936	4
40 C (104 F): Days	15	19	1934	5
45 C (113 F): Days	1	1	1934	1
90 F (32.2 C): Days	130	76	1936	26
100 F (37.8 C): Days	45	29	1934	1
110 F (43.3 C): Days	2	2	1934	1
0 C (32 F): Ice days (max	130	68	1978	25
0 C (32 F): Frost days (min	129	164	1989	64
-10 C (14 F): Days with min	129	66	1978	25
-20 C (-4 F): Days with min	119	25	1936	5
-30 C (-22 F): Days with min	13	3	1989	1
20 C (68 F): Tropical nights (min	129	49	1897	36
25 C (77 F): Days with min	19	9	1934	1
10 mm (0.39 in): Days with 10 mm or more rain	130	47	2009	29
25 mm (0.98 in): Days with 25 mm or more rain	130	20	2010	13
50 mm (1.97 in): Days with 50 mm or more rain	110	5	1941	1
100 mm (3.94 in): Days with 100 mm or more rain	23	2	1948	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1905	1
10 cm (3.9 in): Days with 10 cm or more snowfall	95	5	1978	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1908	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for La Harpe 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).

La Harpe Threshold Days by Year (USC00114823)

Key Facts for La Harpe Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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