Le Claire L&D 14 Threshold Days by Year

17 fixed thresholds counted per year at Le Claire L&D 14 (USC00134705): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Le Claire L&D 14 Thresholds

Le Claire L&D 14: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1983 with 67.
Le Claire L&D 14: days with a maximum temperature at or above 90 F (32.2 C) in 86 years, most in 1983 with 46.
Le Claire L&D 14: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 1978 with 81.
Le Claire L&D 14: nights with a minimum temperature at or below 0 C (32 F) in 86 years, most in 2018 with 149.
17 fixed thresholds have at least one qualifying day at Le Claire L&D 14.

Days at or above 30 C (86 F)

86 years with a qualifying day

Days per year at Le Claire L&D 14 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 67 in 1983.

Days at or above 30 C (86 F) per year at Le Claire L&D 14
Year	Days	Decade average
1941	31	38.4
1942	34	38.4
1943	44	38.4
1944	50	38.4
1945	28	38.4
1946	29	38.4
1947	49	38.4
1948	38	38.4
1949	43	38.4
1950	12	35.5
1951	16	35.5
1952	42	35.5
1953	49	35.5
1954	47	35.5
1955	55	35.5
1956	39	35.5
1957	36	35.5
1958	15	35.5
1959	44	35.5
1960	29	34.1
1961	33	34.1
1962	32	34.1
1963	43	34.1
1964	43	34.1
1965	23	34.1
1966	41	34.1
1967	19	34.1
1968	41	34.1
1969	37	34.1
1970	39	37.4
1971	56	37.4
1972	27	37.4
1973	33	37.4
1974	27	37.4
1975	41	37.4
1976	34	37.4
1977	37	37.4
1978	46	37.4
1979	34	37.4
1980	50	41.8
1981	20	41.8
1982	30	41.8
1983	67	41.8
1984	42	41.8
1985	33	41.8
1986	26	41.8
1987	52	41.8
1988	66	41.8
1989	32	41.8
1990	34	40
1991	65	40
1992	20	40
1993	22	40
1994	34	40
1995	52	40
1996	26	40
1997	41	40
1998	52	40
1999	54	40
2000	42	42
2001	48	42
2002	64	42
2003	34	42
2004	14	42
2005	64	42
2006	42	42
2007	63	42
2008	32	42
2009	17	42
2010	48	43
2011	52	43
2012	61	43
2013	40	43
2014	23	43
2015	28	43
2016	52	43
2017	35	43
2018	54	43
2019	37	43
2020	38	41.7
2021	50	41.7
2022	36	41.7
2023	47	41.7
2024	40	41.7
2025	52	41.7
2026	29	41.7

For each year, a bar from the first to the last day at Le Claire L&D 14 meeting 30 C (86 F).

First to last qualifying date each year at Le Claire L&D 14
Year	First date	Last date
1941	1941-05-15	1941-09-20
1942	1942-04-30	1942-09-18
1943	1943-06-12	1943-09-05
1944	1944-05-15	1944-09-19
1945	1945-06-23	1945-09-09
1946	1946-06-07	1946-10-06
1947	1947-06-09	1947-09-20
1948	1948-06-02	1948-09-19
1949	1949-05-05	1949-08-27
1950	1950-06-16	1950-08-24
1951	1951-06-01	1951-08-31
1952	1952-04-29	1952-09-11
1953	1953-05-29	1953-10-02
1954	1954-06-11	1954-09-18
1955	1955-05-23	1955-09-18
1956	1956-05-11	1956-09-16
1957	1957-06-06	1957-09-01
1958	1958-06-08	1958-08-30
1959	1959-05-04	1959-09-22
1960	1960-07-02	1960-09-08
1961	1961-05-31	1961-09-10
1962	1962-04-26	1962-09-12
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-09
1965	1965-06-10	1965-09-09
1966	1966-05-05	1966-09-13
1967	1967-05-18	1967-08-02
1968	1968-05-14	1968-09-03
1969	1969-05-28	1969-10-04
1970	1970-04-28	1970-09-09
1971	1971-05-17	1971-10-02
1972	1972-05-19	1972-09-18
1973	1973-06-09	1973-09-03
1974	1974-06-20	1974-09-10
1975	1975-05-19	1975-09-02
1976	1976-06-08	1976-09-08
1977	1977-04-18	1977-08-31
1978	1978-05-26	1978-09-19
1979	1979-05-08	1979-09-11
1980	1980-04-22	1980-09-20
1981	1981-06-09	1981-09-14
1982	1982-05-05	1982-09-12
1983	1983-06-09	1983-09-10
1984	1984-05-18	1984-09-24
1985	1985-05-26	1985-09-08
1986	1986-04-25	1986-09-25
1987	1987-04-29	1987-09-05
1988	1988-05-21	1988-09-22
1989	1989-05-24	1989-08-27
1990	1990-06-12	1990-09-27
1991	1991-05-12	1991-09-14
1992	1992-05-16	1992-08-25
1993	1993-06-14	1993-09-12
1994	1994-05-21	1994-09-15
1995	1995-06-07	1995-09-13
1996	1996-05-17	1996-08-21
1997	1997-06-13	1997-10-07
1998	1998-05-14	1998-09-28
1999	1999-05-29	1999-10-12
2000	2000-06-02	2000-09-19
2001	2001-06-11	2001-09-08
2002	2002-04-17	2002-10-01
2003	2003-06-19	2003-09-09
2004	2004-06-08	2004-09-15
2005	2005-06-07	2005-10-05
2006	2006-05-25	2006-10-05
2007	2007-04-30	2007-10-08
2008	2008-06-02	2008-09-04
2009	2009-06-19	2009-08-16
2010	2010-05-24	2010-09-22
2011	2011-05-11	2011-09-03
2012	2012-05-20	2012-09-13
2013	2013-05-15	2013-09-21
2014	2014-05-13	2014-09-05
2015	2015-06-10	2015-09-08
2016	2016-05-07	2016-10-18
2017	2017-05-17	2017-09-26
2018	2018-05-09	2018-09-21
2019	2019-05-17	2019-10-01
2020	2020-06-03	2020-09-03
2021	2021-05-25	2021-10-02
2022	2022-05-11	2022-09-21
2023	2023-05-08	2023-10-04
2024	2024-05-19	2024-09-21
2025	2025-05-16	2025-10-04
2026	2026-05-28	2026-09-09

Every Fixed Threshold

Fixed thresholds at Le Claire L&D 14
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	86	67	1983	29
35 C (95 F): Days	58	20	1988	1
90 F (32.2 C): Days	86	46	1983	12
100 F (37.8 C): Days	13	8	1988	1
0 C (32 F): Ice days (max	86	81	1978	29
0 C (32 F): Frost days (min	86	149	2018	70
-10 C (14 F): Days with min	86	68	1985	27
-20 C (-4 F): Days with min	81	27	1978	3
-30 C (-22 F): Days with min	7	3	1996	3
20 C (68 F): Tropical nights (min	86	52	1973	46
25 C (77 F): Days with min	54	9	1955	5
10 mm (0.39 in): Days with 10 mm or more rain	84	48	2019	27
25 mm (0.98 in): Days with 25 mm or more rain	84	17	2009	12
50 mm (1.97 in): Days with 50 mm or more rain	62	4	1959	3
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1979	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	5	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

Data for Le Claire L&D 14 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).

Le Claire L&D 14 Threshold Days by Year

Key Facts for Le Claire L&D 14 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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