Champaign 3S Threshold Days by Year (USC00118740)

18 fixed thresholds counted per year at Champaign 3S (USC00118740): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Champaign 3S Thresholds

Champaign 3S: days with a maximum temperature at or above 30 C (86 F) in 124 years, most in 1953 with 83.
Champaign 3S: days with a maximum temperature at or above 90 F (32.2 C) in 124 years, most in 1936 with 56.
Champaign 3S: days with a maximum temperature at or below 0 C (32 F) in 124 years, most in 1978 with 65.
Champaign 3S: nights with a minimum temperature at or below 0 C (32 F) in 124 years, most in 1905 with 149.
18 fixed thresholds have at least one qualifying day at Champaign 3S.

Days at or above 30 C (86 F)

124 years with a qualifying day

Days per year at Champaign 3S with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 83 in 1953.

Days at or above 30 C (86 F) per year at Champaign 3S
Year	Days	Decade average
1903	39	41.6
1904	28	41.6
1905	48	41.6
1906	58	41.6
1907	35	41.6
1908	48	41.6
1909	35	41.6
1910	35	48.7
1911	65	48.7
1912	36	48.7
1913	79	48.7
1914	68	48.7
1915	15	48.7
1916	58	48.7
1917	24	48.7
1918	46	48.7
1919	61	48.7
1920	43	43.4
1921	66	43.4
1922	60	43.4
1923	33	43.4
1924	22	43.4
1925	71	43.4
1926	45	43.4
1927	23	43.4
1928	37	43.4
1929	34	43.4
1930	63	61
1931	65	61
1932	49	61
1933	76	61
1934	72	61
1935	49	61
1936	80	61
1937	50	61
1938	48	61
1939	58	61
1940	57	56.8
1941	65	56.8
1942	49	56.8
1943	66	56.8
1944	70	56.8
1945	38	56.8
1946	48	56.8
1947	55	56.8
1948	57	56.8
1949	63	56.8
1950	27	54.7
1951	27	54.7
1952	66	54.7
1953	83	54.7
1954	79	54.7
1955	68	54.7
1956	49	54.7
1957	42	54.7
1958	29	54.7
1959	77	54.7
1960	40	48.2
1961	60	48.2
1962	48	48.2
1963	56	48.2
1964	62	48.2
1965	33	48.2
1966	50	48.2
1967	34	48.2
1968	48	48.2
1969	51	48.2
1970	52	45.7
1971	56	45.7
1972	48	45.7
1973	43	45.7
1974	31	45.7
1975	47	45.7
1976	33	45.7
1977	56	45.7
1978	49	45.7
1979	42	45.7
1980	63	52.4
1981	28	52.4
1982	29	52.4
1983	76	52.4
1984	51	52.4
1985	36	52.4
1986	57	52.4
1987	69	52.4
1988	78	52.4
1989	37	52.4
1990	38	46
1991	79	46
1992	21	46
1993	40	46
1994	47	46
1995	63	46
1996	35	46
1997	36	46
1998	54	46
1999	47	46
2000	39	46.6
2001	52	46.6
2002	66	46.6
2003	30	46.6
2004	28	46.6
2005	76	46.6
2006	48	46.6
2007	73	46.6
2008	32	46.6
2009	22	46.6
2010	64	56.6
2011	71	56.6
2012	78	56.6
2013	49	56.6
2014	31	56.6
2015	38	56.6
2016	57	56.6
2017	58	56.6
2018	69	56.6
2019	51	56.6
2020	51	55
2021	57	55
2022	53	55
2023	51	55
2024	49	55
2025	70	55
2026	54	55

For each year, a bar from the first to the last day at Champaign 3S meeting 30 C (86 F).

First to last qualifying date each year at Champaign 3S
Year	First date	Last date
1903	1903-05-17	1903-10-03
1904	1904-05-25	1904-09-28
1905	1905-06-04	1905-10-08
1906	1906-05-16	1906-09-21
1907	1907-06-16	1907-10-02
1908	1908-06-18	1908-10-18
1909	1909-06-24	1909-09-14
1910	1910-06-15	1910-09-18
1911	1911-05-15	1911-09-14
1912	1912-05-23	1912-09-14
1913	1913-05-14	1913-09-11
1914	1914-05-25	1914-09-22
1915	1915-05-16	1915-09-15
1916	1916-05-26	1916-10-08
1917	1917-05-20	1917-09-03
1918	1918-05-26	1918-08-28
1919	1919-05-29	1919-10-02
1920	1920-06-08	1920-09-26
1921	1921-05-20	1921-09-29
1922	1922-06-06	1922-10-05
1923	1923-06-17	1923-08-19
1924	1924-06-19	1924-09-21
1925	1925-04-22	1925-09-19
1926	1926-05-24	1926-09-19
1927	1927-06-25	1927-09-17
1928	1928-05-10	1928-09-14
1929	1929-05-29	1929-09-28
1930	1930-04-10	1930-09-23
1931	1931-05-28	1931-10-05
1932	1932-05-14	1932-09-15
1933	1933-06-03	1933-09-30
1934	1934-05-09	1934-09-25
1935	1935-06-13	1935-09-24
1936	1936-06-01	1936-09-22
1937	1937-05-29	1937-09-23
1938	1938-06-21	1938-10-15
1939	1939-05-17	1939-10-08
1940	1940-06-04	1940-10-06
1941	1941-05-20	1941-09-24
1942	1942-05-28	1942-09-18
1943	1943-05-05	1943-09-05
1944	1944-05-15	1944-09-19
1945	1945-06-23	1945-09-23
1946	1946-06-07	1946-10-07
1947	1947-06-09	1947-09-20
1948	1948-05-28	1948-09-20
1949	1949-05-03	1949-10-09
1950	1950-05-23	1950-10-19
1951	1951-05-16	1951-10-04
1952	1952-04-28	1952-09-30
1953	1953-05-21	1953-10-22
1954	1954-04-25	1954-10-10
1955	1955-05-03	1955-09-21
1956	1956-05-12	1956-09-29
1957	1957-06-05	1957-09-01
1958	1958-05-15	1958-09-25
1959	1959-05-02	1959-09-28
1960	1960-06-03	1960-09-23
1961	1961-05-31	1961-09-23
1962	1962-05-14	1962-10-12
1963	1963-05-08	1963-10-15
1964	1964-05-16	1964-09-20
1965	1965-05-22	1965-09-20
1966	1966-05-27	1966-09-03
1967	1967-05-24	1967-10-04
1968	1968-05-02	1968-09-22
1969	1969-05-28	1969-09-01
1970	1970-05-19	1970-09-23
1971	1971-06-03	1971-10-02
1972	1972-05-19	1972-09-20
1973	1973-06-08	1973-09-24
1974	1974-05-21	1974-08-26
1975	1975-05-18	1975-09-10
1976	1976-06-07	1976-10-03
1977	1977-04-17	1977-09-18
1978	1978-05-25	1978-09-20
1979	1979-05-10	1979-09-11
1980	1980-04-22	1980-10-08
1981	1981-06-04	1981-09-30
1982	1982-05-05	1982-09-30
1983	1983-06-10	1983-10-03
1984	1984-05-18	1984-09-21
1985	1985-05-12	1985-09-20
1986	1986-04-25	1986-09-29
1987	1987-04-21	1987-09-27
1988	1988-05-12	1988-09-22
1989	1989-05-30	1989-10-14
1990	1990-04-24	1990-09-27
1991	1991-05-13	1991-09-15
1992	1992-05-16	1992-09-16
1993	1993-06-07	1993-08-30
1994	1994-05-22	1994-10-01
1995	1995-06-07	1995-09-13
1996	1996-05-17	1996-09-06
1997	1997-06-18	1997-10-05
1998	1998-05-14	1998-09-27
1999	1999-06-05	1999-09-27
2000	2000-05-12	2000-09-19
2001	2001-04-30	2001-09-12
2002	2002-04-17	2002-10-02
2003	2003-05-09	2003-08-28
2004	2004-05-06	2004-09-23
2005	2005-05-10	2005-10-05
2006	2006-05-24	2006-10-04
2007	2007-04-30	2007-10-08
2008	2008-05-30	2008-09-13
2009	2009-05-22	2009-08-27
2010	2010-05-23	2010-10-09
2011	2011-05-10	2011-10-07
2012	2012-04-03	2012-09-13
2013	2013-05-14	2013-10-04
2014	2014-05-07	2014-09-05
2015	2015-05-28	2015-09-08
2016	2016-06-10	2016-09-25
2017	2017-05-15	2017-09-26
2018	2018-05-02	2018-10-09
2019	2019-05-18	2019-10-01
2020	2020-05-24	2020-09-08
2021	2021-05-23	2021-10-11
2022	2022-05-11	2022-09-22
2023	2023-05-25	2023-10-04
2024	2024-05-20	2024-10-06
2025	2025-05-16	2025-10-07
2026	2026-03-27	2026-10-14

Every Fixed Threshold

Fixed thresholds at Champaign 3S
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	124	83	1953	54
35 C (95 F): Days	91	32	1936	4
40 C (104 F): Days	4	9	1936	2
90 F (32.2 C): Days	124	56	1936	27
100 F (37.8 C): Days	21	15	1936	10
0 C (32 F): Ice days (max	124	65	1978	26
0 C (32 F): Frost days (min	124	149	1905	66
-10 C (14 F): Days with min	124	55	1963	21
-20 C (-4 F): Days with min	98	17	1963	4
-30 C (-22 F): Days with min	6	1	1905	1
20 C (68 F): Tropical nights (min	124	50	1931	44
25 C (77 F): Days with min	20	10	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	124	49	1993	29
25 mm (0.98 in): Days with 25 mm or more rain	124	17	1927	10
50 mm (1.97 in): Days with 50 mm or more rain	97	5	1927	3
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1921	1
10 cm (3.9 in): Days with 10 cm or more snowfall	89	4	1909	2
25 cm (9.8 in): Days with 25 cm or more snowfall	9	1	1906	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

Data for Champaign 3S 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).

Champaign 3S Threshold Days by Year (USC00118740)

Key Facts for Champaign 3S Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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