Oshkosh Threshold Days by Year (USC00256385)

20 fixed thresholds counted per year at Oshkosh (USC00256385): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oshkosh Thresholds

Oshkosh: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 1965 with 26.
Oshkosh: days with a maximum temperature at or above 30 C (86 F) in 111 years, most in 2012 with 97.
Oshkosh: days with a maximum temperature at or above 35 C (95 F) in 111 years, most in 2012 with 43.
Oshkosh: days with a maximum temperature at or above 90 F (32.2 C) in 111 years, most in 2012 with 75.
20 fixed thresholds have at least one qualifying day at Oshkosh.

Days at or above 30 C (86 F)

111 years with a qualifying day

Days per year at Oshkosh with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 97 in 2012.

Days at or above 30 C (86 F) per year at Oshkosh
Year	Days	Decade average
1914	55	44.3
1915	15	44.3
1916	57	44.3
1917	43	44.3
1918	40	44.3
1919	56	44.3
1920	38	47.3
1921	57	47.3
1922	58	47.3
1923	39	47.3
1924	48	47.3
1925	48	47.3
1926	57	47.3
1927	36	47.3
1928	34	47.3
1929	58	47.3
1930	52	72.6
1931	81	72.6
1932	59	72.6
1933	66	72.6
1934	80	72.6
1935	67	72.6
1936	95	72.6
1937	78	72.6
1938	61	72.6
1939	87	72.6
1940	76	68.4
1941	64	68.4
1942	59	68.4
1943	75	68.4
1944	59	68.4
1945	63	68.4
1946	64	68.4
1948	87	68.4
1949	69	68.4
1950	52	68.5
1951	46	68.5
1952	84	68.5
1953	83	68.5
1954	79	68.5
1955	83	68.5
1956	76	68.5
1957	56	68.5
1958	53	68.5
1959	73	68.5
1960	72	60.8
1961	57	60.8
1962	59	60.8
1963	75	60.8
1964	74	60.8
1965	41	60.8
1966	66	60.8
1967	53	60.8
1968	51	60.8
1969	60	60.8
1970	80	66.6
1971	60	66.6
1972	50	66.6
1973	57	66.6
1974	65	66.6
1975	61	66.6
1976	78	66.6
1977	70	66.6
1978	82	66.6
1979	63	66.6
1980	82	69
1981	54	69
1982	49	69
1983	74	69
1984	69	69
1985	66	69
1986	59	69
1987	70	69
1988	88	69
1989	79	69
1990	77	58.5
1991	77	58.5
1992	44	58.5
1993	42	58.5
1994	69	58.5
1995	57	58.5
1996	45	58.5
1997	62	58.5
1998	58	58.5
1999	54	58.5
2000	89	66.6
2001	73	66.6
2002	73	66.6
2003	65	66.6
2004	47	66.6
2005	69	66.6
2006	74	66.6
2007	75	66.6
2008	53	66.6
2009	48	66.6
2010	69	66
2011	65	66
2012	97	66
2013	76	66
2014	56	66
2015	61	66
2016	57	66
2017	61	66
2018	68	66
2019	50	66
2020	87	77.5
2021	73	77.5
2022	90	77.5
2023	65	77.5
2024	72	77.5
2026	78	77.5

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

First to last qualifying date each year at Oshkosh
Year	First date	Last date
1914	1914-05-09	1914-09-27
1915	1915-04-20	1915-09-01
1916	1916-05-05	1916-10-02
1917	1917-05-17	1917-09-19
1918	1918-05-04	1918-08-30
1919	1919-06-12	1919-09-13
1920	1920-05-25	1920-10-10
1921	1921-06-10	1921-10-21
1922	1922-05-08	1922-10-04
1923	1923-05-18	1923-09-21
1924	1924-04-23	1924-09-03
1925	1925-05-19	1925-09-04
1926	1926-04-29	1926-10-17
1927	1927-04-26	1927-09-16
1928	1928-05-01	1928-10-09
1929	1929-05-14	1929-10-05
1930	1930-04-08	1930-10-10
1931	1931-05-15	1931-09-13
1932	1932-04-21	1932-09-29
1933	1933-05-18	1933-09-29
1934	1934-04-29	1934-10-13
1935	1935-06-09	1935-09-24
1936	1936-05-03	1936-10-12
1937	1937-05-14	1937-09-23
1938	1938-04-25	1938-10-05
1939	1939-04-21	1939-09-27
1940	1940-05-11	1940-09-19
1941	1941-05-13	1941-09-20
1942	1942-04-14	1942-10-07
1943	1943-03-29	1943-09-18
1944	1944-05-13	1944-10-13
1945	1945-05-19	1945-10-27
1946	1946-04-20	1946-09-26
1948	1948-04-17	1948-09-18
1949	1949-04-24	1949-09-25
1950	1950-04-22	1950-10-30
1951	1951-05-28	1951-10-01
1952	1952-04-27	1952-09-30
1953	1953-04-27	1953-10-12
1954	1954-05-21	1954-10-08
1955	1955-04-26	1955-10-19
1956	1956-05-08	1956-10-12
1957	1957-06-04	1957-09-30
1958	1958-05-12	1958-10-18
1959	1959-04-06	1959-09-21
1960	1960-04-21	1960-10-07
1961	1961-05-10	1961-09-18
1962	1962-04-20	1962-10-10
1963	1963-05-07	1963-10-05
1964	1964-04-16	1964-10-01
1965	1965-04-20	1965-10-09
1966	1966-05-04	1966-09-24
1967	1967-05-09	1967-10-21
1968	1968-04-30	1968-10-14
1969	1969-05-14	1969-09-29
1970	1970-05-07	1970-10-04
1971	1971-06-11	1971-10-10
1972	1972-05-15	1972-09-18
1973	1973-05-18	1973-09-01
1974	1974-05-06	1974-09-28
1975	1975-04-27	1975-10-08
1976	1976-05-19	1976-10-01
1977	1977-04-09	1977-09-28
1978	1978-05-14	1978-10-01
1979	1979-05-06	1979-10-11
1980	1980-04-20	1980-10-08
1981	1981-04-25	1981-09-19
1982	1982-05-03	1982-09-22
1983	1983-05-09	1983-09-30
1984	1984-05-15	1984-09-21
1985	1985-04-15	1985-09-18
1986	1986-05-04	1986-08-30
1987	1987-04-17	1987-09-26
1988	1988-04-07	1988-09-26
1989	1989-04-20	1989-10-13
1990	1990-05-06	1990-10-16
1991	1991-04-05	1991-10-16
1992	1992-04-30	1992-10-02
1993	1993-06-15	1993-10-06
1994	1994-04-17	1994-09-29
1995	1995-06-14	1995-10-13
1996	1996-04-03	1996-10-11
1997	1997-05-17	1997-10-03
1998	1998-05-14	1998-09-29
1999	1999-06-05	1999-10-10
2000	2000-05-05	2000-09-19
2001	2001-05-13	2001-09-28
2002	2002-05-30	2002-09-09
2003	2003-05-30	2003-10-20
2004	2004-05-06	2004-09-19
2005	2005-05-20	2005-10-02
2006	2006-04-14	2006-10-08
2007	2007-04-30	2007-10-07
2008	2008-04-16	2008-09-27
2009	2009-04-24	2009-09-21
2010	2010-05-23	2010-10-16
2011	2011-05-09	2011-10-05
2012	2012-04-02	2012-10-04
2013	2013-05-14	2013-10-01
2014	2014-05-28	2014-09-26
2015	2015-03-16	2015-10-12
2016	2016-06-09	2016-09-24
2017	2017-05-07	2017-09-22
2018	2018-05-08	2018-09-24
2019	2019-04-21	2019-09-30
2020	2020-05-01	2020-10-10
2021	2021-04-05	2021-09-28
2022	2022-04-23	2022-09-22
2023	2023-04-12	2023-10-18
2024	2024-04-15	2024-10-21
2026	2026-03-20	2026-08-31

Every Fixed Threshold

Fixed thresholds at Oshkosh
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	111	97	2012	78
35 C (95 F): Days	111	43	2012	13
40 C (104 F): Days	26	8	2012	2
90 F (32.2 C): Days	111	75	2012	45
100 F (37.8 C): Days	90	22	1936	6
110 F (43.3 C): Days	1	1	1954	1
0 C (32 F): Ice days (max	111	56	1985	6
0 C (32 F): Frost days (min	111	197	1970	88
-10 C (14 F): Days with min	111	79	1989	23
-20 C (-4 F): Days with min	111	26	1916	5
-30 C (-22 F): Days with min	46	4	1924	1
-40 C (-40 F): Days with min	1	1	1989	1
20 C (68 F): Tropical nights (min	89	42	1937	3
25 C (77 F): Days with min	10	9	1937	1
10 mm (0.39 in): Days with 10 mm or more rain	112	26	1965	11
25 mm (0.98 in): Days with 25 mm or more rain	106	8	1930	2
50 mm (1.97 in): Days with 50 mm or more rain	33	2	1915	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1961	1
10 cm (3.9 in): Days with 10 cm or more snowfall	96	8	1919	1
25 cm (9.8 in): Days with 25 cm or more snowfall	20	2	1931	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Oshkosh 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).

Oshkosh Threshold Days by Year (USC00256385)

Key Facts for Oshkosh Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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