Defiance Threshold Days by Year (USC00332098)

19 fixed thresholds counted per year at Defiance (USC00332098): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Defiance Thresholds

Defiance: days with a maximum temperature at or above 30 C (86 F) in 112 years, most in 1895 with 96.
Defiance: days with a maximum temperature at or above 90 F (32.2 C) in 112 years, most in 1895 with 75.
Defiance: days with a maximum temperature at or below 0 C (32 F) in 112 years, most in 1963 with 67.
Defiance: nights with a minimum temperature at or below 0 C (32 F) in 112 years, most in 1974 with 166.
19 fixed thresholds have at least one qualifying day at Defiance.

Days at or above 30 C (86 F)

112 years with a qualifying day

Days per year at Defiance with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 96 in 1895.

Days at or above 30 C (86 F) per year at Defiance
Year	Days	Decade average
1894	62	61
1895	96	61
1896	66	61
1897	48	61
1898	38	61
1899	56	61
1900	51	44.9
1901	69	44.9
1902	31	44.9
1903	35	44.9
1904	30	44.9
1905	40	44.9
1906	64	44.9
1907	29	44.9
1908	70	44.9
1909	30	44.9
1910	45	51.5
1911	58	51.5
1932	71	60.4
1933	57	60.4
1934	94	60.4
1935	42	60.4
1936	60	60.4
1937	44	60.4
1939	55	60.4
1940	51	53.9
1941	73	53.9
1942	41	53.9
1943	59	53.9
1944	78	53.9
1945	37	53.9
1946	45	53.9
1947	45	53.9
1948	50	53.9
1949	60	53.9
1950	31	45.2
1951	29	45.2
1952	58	45.2
1953	62	45.2
1954	47	45.2
1955	62	45.2
1956	39	45.2
1957	38	45.2
1958	18	45.2
1959	68	45.2
1960	43	41.1
1961	40	41.1
1962	41	41.1
1963	37	41.1
1964	53	41.1
1965	41	41.1
1966	46	41.1
1967	28	41.1
1968	40	41.1
1969	42	41.1
1970	51	41.8
1971	49	41.8
1972	30	41.8
1973	40	41.8
1974	40	41.8
1975	42	41.8
1976	34	41.8
1977	48	41.8
1978	49	41.8
1979	35	41.8
1980	47	41.7
1981	26	41.7
1982	36	41.7
1983	64	41.7
1984	46	41.7
1985	30	41.7
1986	26	41.7
1987	55	41.7
1988	61	41.7
1989	26	41.7
1990	27	37.1
1991	54	37.1
1992	14	37.1
1993	34	37.1
1994	40	37.1
1995	42	37.1
1996	30	37.1
1997	33	37.1
1998	45	37.1
1999	52	37.1
2000	23	35.4
2001	42	35.4
2002	55	35.4
2003	19	35.4
2004	21	35.4
2005	58	35.4
2006	30	35.4
2007	57	35.4
2008	31	35.4
2009	18	35.4
2010	54	41.6
2011	54	41.6
2012	68	41.6
2013	32	41.6
2014	18	41.6
2015	26	41.6
2016	48	41.6
2017	34	41.6
2018	45	41.6
2019	37	41.6
2020	52	43
2021	50	43
2022	38	43
2023	36	43
2024	44	43
2025	50	43
2026	31	43

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

First to last qualifying date each year at Defiance
Year	First date	Last date
1894	1894-04-28	1894-09-14
1895	1895-05-03	1895-09-22
1896	1896-04-12	1896-09-13
1897	1897-05-20	1897-10-15
1898	1898-06-07	1898-10-03
1899	1899-04-30	1899-10-15
1900	1900-05-14	1900-10-07
1901	1901-05-02	1901-09-27
1902	1902-05-04	1902-08-30
1903	1903-05-16	1903-09-15
1904	1904-05-25	1904-09-11
1905	1905-05-04	1905-10-08
1906	1906-05-15	1906-10-08
1907	1907-03-22	1907-09-20
1908	1908-05-18	1908-09-28
1909	1909-06-24	1909-09-14
1910	1910-06-16	1910-10-03
1911	1911-05-11	1911-09-26
1932	1932-05-07	1932-09-20
1933	1933-05-24	1933-09-26
1934	1934-05-04	1934-09-27
1935	1935-06-13	1935-09-25
1936	1936-05-07	1936-09-23
1937	1937-05-30	1937-10-01
1939	1939-05-19	1939-10-09
1940	1940-05-14	1940-10-06
1941	1941-04-13	1941-10-06
1942	1942-04-30	1942-09-18
1943	1943-05-30	1943-09-05
1944	1944-05-15	1944-09-27
1945	1945-06-14	1945-09-23
1946	1946-06-11	1946-10-07
1947	1947-06-10	1947-10-16
1948	1948-04-26	1948-09-19
1949	1949-05-03	1949-10-09
1950	1950-05-25	1950-08-29
1951	1951-05-20	1951-10-05
1952	1952-05-06	1952-10-01
1953	1953-05-26	1953-10-22
1954	1954-05-25	1954-09-29
1955	1955-05-04	1955-09-20
1956	1956-05-14	1956-09-14
1957	1957-06-16	1957-09-20
1958	1958-07-01	1958-09-05
1959	1959-05-03	1959-10-04
1960	1960-04-25	1960-09-25
1961	1961-06-02	1961-09-23
1962	1962-05-01	1962-09-14
1963	1963-05-10	1963-10-08
1964	1964-05-20	1964-09-22
1965	1965-05-03	1965-09-22
1966	1966-05-28	1966-09-04
1967	1967-05-28	1967-10-05
1968	1968-06-07	1968-09-24
1969	1969-05-07	1969-09-07
1970	1970-05-22	1970-09-22
1971	1971-05-19	1971-10-04
1972	1972-05-22	1972-09-18
1973	1973-06-04	1973-09-28
1974	1974-05-22	1974-08-28
1975	1975-05-20	1975-08-26
1976	1976-06-08	1976-09-15
1977	1977-04-19	1977-09-03
1978	1978-05-27	1978-09-21
1979	1979-05-09	1979-09-04
1980	1980-04-23	1980-09-23
1981	1981-06-09	1981-09-14
1982	1982-05-06	1982-10-02
1983	1983-06-11	1983-09-20
1984	1984-05-19	1984-09-23
1985	1985-04-20	1985-09-09
1986	1986-04-28	1986-09-30
1987	1987-04-22	1987-09-08
1988	1988-05-16	1988-09-19
1989	1989-06-23	1989-09-10
1990	1990-04-26	1990-09-14
1991	1991-05-13	1991-09-16
1992	1992-05-23	1992-09-16
1993	1993-05-11	1993-08-31
1994	1994-05-23	1994-09-17
1995	1995-06-08	1995-09-07
1996	1996-05-19	1996-08-23
1997	1997-06-12	1997-10-06
1998	1998-05-15	1998-09-27
1999	1999-05-18	1999-09-29
2000	2000-05-07	2000-09-04
2001	2001-05-04	2001-09-09
2002	2002-04-17	2002-09-20
2003	2003-06-24	2003-08-29
2004	2004-04-19	2004-09-24
2005	2005-06-06	2005-10-04
2006	2006-05-28	2006-08-27
2007	2007-05-16	2007-10-09
2008	2008-06-06	2008-09-14
2009	2009-05-24	2009-08-20
2010	2010-05-25	2010-10-11
2011	2011-05-13	2011-09-04
2012	2012-05-04	2012-09-07
2013	2013-05-16	2013-09-12
2014	2014-05-09	2014-09-06
2015	2015-05-09	2015-09-09
2016	2016-05-28	2016-09-23
2017	2017-05-19	2017-09-28
2018	2018-05-26	2018-10-09
2019	2019-06-27	2019-10-03
2020	2020-05-25	2020-09-07
2021	2021-05-21	2021-10-11
2022	2022-05-14	2022-09-23
2023	2023-05-31	2023-10-05
2024	2024-05-20	2024-09-21
2025	2025-06-04	2025-10-05
2026	2026-05-19	2026-08-11

Every Fixed Threshold

Fixed thresholds at Defiance
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	112	96	1895	31
35 C (95 F): Days	84	40	1934	7
40 C (104 F): Days	6	8	1934	2
90 F (32.2 C): Days	112	75	1895	16
100 F (37.8 C): Days	21	16	1934	8
110 F (43.3 C): Days	1	1	1934	1
0 C (32 F): Ice days (max	112	67	1963	30
0 C (32 F): Frost days (min	112	166	1974	72
-10 C (14 F): Days with min	112	65	1978	29
-20 C (-4 F): Days with min	87	27	1963	2
-30 C (-22 F): Days with min	1	2	1982	2
20 C (68 F): Tropical nights (min	112	35	2021	24
25 C (77 F): Days with min	9	1	1896	1
10 mm (0.39 in): Days with 10 mm or more rain	111	43	2017	21
25 mm (0.98 in): Days with 25 mm or more rain	111	14	1990	7
50 mm (1.97 in): Days with 50 mm or more rain	55	5	1981	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1909	1
10 cm (3.9 in): Days with 10 cm or more snowfall	61	6	2014	2
25 cm (9.8 in): Days with 25 cm or more snowfall	6	1	1900	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

Download the Data

Data for Defiance 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Defiance Threshold Days by Year (USC00332098)

Key Facts for Defiance Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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