Oolitic Purdue Ex Fm Threshold Days by Year (USC00126580)

19 fixed thresholds counted per year at Oolitic Purdue Ex Fm (USC00126580): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oolitic Purdue Ex Fm Thresholds

Oolitic Purdue Ex Fm: nights with a minimum temperature at or below 0 C (32 F) in 111 years, most in 1976 with 156.
Oolitic Purdue Ex Fm: nights with a minimum temperature at or below -10 C (14 F) in 111 years, most in 1978 with 50.
Oolitic Purdue Ex Fm: nights with a minimum temperature at or above 20 C (68 F) in 111 years, most in 1899 with 53.
Oolitic Purdue Ex Fm: days with a maximum temperature at or above 30 C (86 F) in 110 years, most in 1899 with 116.
19 fixed thresholds have at least one qualifying day at Oolitic Purdue Ex Fm.

Days at or above 30 C (86 F)

110 years with a qualifying day

Days per year at Oolitic Purdue Ex Fm with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 1899.

Days at or above 30 C (86 F) per year at Oolitic Purdue Ex Fm
Year	Days	Decade average
1893	83	99.5
1899	116	99.5
1905	62	62
1919	80	80
1920	54	66.7
1921	95	66.7
1922	85	66.7
1923	65	66.7
1924	50	66.7
1925	91	66.7
1926	71	66.7
1927	48	66.7
1928	42	66.7
1929	66	66.7
1930	81	86.2
1931	77	86.2
1932	77	86.2
1933	98	86.2
1934	94	86.2
1935	82	86.2
1936	115	86.2
1937	70	86.2
1938	69	86.2
1939	99	86.2
1940	83	77.9
1941	106	77.9
1942	73	77.9
1943	88	77.9
1944	96	77.9
1945	55	77.9
1946	64	77.9
1947	70	77.9
1948	64	77.9
1949	80	77.9
1950	39	71.4
1951	63	71.4
1952	96	71.4
1953	92	71.4
1954	93	71.4
1955	86	71.4
1956	64	71.4
1957	65	71.4
1958	41	71.4
1959	75	71.4
1960	60	61.5
1961	63	61.5
1962	87	61.5
1963	82	61.5
1964	77	61.5
1965	55	61.5
1966	67	61.5
1967	31	61.5
1968	49	61.5
1969	44	61.5
1970	46	45
1971	55	45
1972	40	45
1973	52	45
1974	31	45
1975	54	45
1976	34	45
1977	56	45
1978	53	45
1979	29	45
1980	66	53.3
1981	37	53.3
1982	31	53.3
1983	81	53.3
1984	48	53.3
1985	33	53.3
1986	53	53.3
1987	66	53.3
1988	80	53.3
1989	38	53.3
1990	40	50.5
1991	76	50.5
1992	21	50.5
1993	48	50.5
1994	42	50.5
1995	61	50.5
1996	47	50.5
1997	42	50.5
1998	61	50.5
1999	67	50.5
2000	24	42.2
2001	49	42.2
2002	73	42.2
2003	33	42.2
2004	29	42.2
2005	62	42.2
2006	45	42.2
2008	42	42.2
2009	23	42.2
2010	83	57.3
2011	61	57.3
2012	80	57.3
2013	44	57.3
2014	34	57.3
2015	44	57.3
2016	63	57.3
2017	36	57.3
2018	65	57.3
2019	63	57.3
2020	40	43.7
2021	41	43.7
2022	38	43.7
2023	28	43.7
2024	50	43.7
2025	55	43.7
2026	54	43.7

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

First to last qualifying date each year at Oolitic Purdue Ex Fm
Year	First date	Last date
1893	1893-05-21	1893-10-13
1899	1899-05-02	1899-10-13
1905	1905-04-01	1905-09-27
1919	1919-05-29	1919-10-03
1920	1920-05-23	1920-09-26
1921	1921-04-25	1921-09-29
1922	1922-05-09	1922-10-05
1923	1923-06-02	1923-09-28
1924	1924-05-05	1924-09-21
1925	1925-04-22	1925-09-26
1926	1926-05-01	1926-10-03
1927	1927-05-09	1927-09-18
1928	1928-05-03	1928-10-13
1929	1929-03-24	1929-09-28
1930	1930-04-11	1930-09-23
1931	1931-05-16	1931-09-25
1932	1932-05-15	1932-09-19
1933	1933-04-30	1933-09-26
1934	1934-05-04	1934-09-26
1935	1935-04-26	1935-10-31
1936	1936-04-27	1936-09-22
1937	1937-05-21	1937-09-23
1938	1938-04-26	1938-09-27
1939	1939-05-22	1939-10-09
1940	1940-04-03	1940-10-06
1941	1941-04-13	1941-10-06
1942	1942-04-30	1942-09-18
1943	1943-05-05	1943-10-01
1944	1944-05-12	1944-09-19
1945	1945-05-27	1945-09-23
1946	1946-04-03	1946-10-07
1947	1947-05-15	1947-10-23
1948	1948-04-25	1948-09-20
1949	1949-05-03	1949-10-10
1950	1950-05-04	1950-10-17
1951	1951-04-28	1951-10-05
1952	1952-04-28	1952-10-01
1953	1953-04-09	1953-10-22
1954	1954-04-25	1954-10-05
1955	1955-04-18	1955-09-22
1956	1956-04-27	1956-09-14
1957	1957-04-19	1957-09-11
1958	1958-05-15	1958-09-06
1959	1959-05-02	1959-10-04
1960	1960-04-22	1960-09-26
1961	1961-06-01	1961-10-12
1962	1962-04-26	1962-10-15
1963	1963-04-18	1963-10-23
1964	1964-05-05	1964-09-20
1965	1965-04-24	1965-09-21
1966	1966-05-09	1966-09-12
1967	1967-05-26	1967-10-05
1968	1968-06-07	1968-09-23
1969	1969-05-06	1969-09-07
1970	1970-05-01	1970-09-24
1971	1971-06-04	1971-10-03
1972	1972-05-26	1972-09-20
1973	1973-06-04	1973-09-27
1974	1974-05-21	1974-08-27
1975	1975-05-21	1975-09-11
1976	1976-04-21	1976-09-09
1977	1977-04-18	1977-09-06
1978	1978-05-26	1978-09-21
1979	1979-06-07	1979-09-13
1980	1980-05-30	1980-09-23
1981	1981-06-09	1981-09-01
1982	1982-05-14	1982-09-15
1983	1983-06-12	1983-10-04
1984	1984-05-26	1984-09-23
1985	1985-06-01	1985-09-10
1986	1986-04-28	1986-09-30
1987	1987-04-22	1987-09-29
1988	1988-05-14	1988-09-23
1989	1989-04-27	1989-10-14
1990	1990-06-09	1990-09-08
1991	1991-05-16	1991-09-17
1992	1992-06-17	1992-09-10
1993	1993-05-09	1993-09-03
1994	1994-06-13	1994-09-15
1995	1995-06-08	1995-09-07
1996	1996-05-19	1996-09-09
1997	1997-06-20	1997-09-20
1998	1998-05-15	1998-09-28
1999	1999-06-06	1999-09-29
2000	2000-05-25	2000-09-04
2001	2001-05-06	2001-09-08
2002	2002-06-01	2002-09-15
2003	2003-06-24	2003-09-11
2004	2004-06-08	2004-09-08
2005	2005-06-06	2005-10-05
2006	2006-05-28	2006-08-28
2008	2008-06-05	2008-09-25
2009	2009-05-23	2009-08-28
2010	2010-05-24	2010-10-12
2011	2011-05-30	2011-09-14
2012	2012-05-03	2012-09-08
2013	2013-05-20	2013-09-12
2014	2014-06-02	2014-09-06
2015	2015-06-06	2015-09-19
2016	2016-05-30	2016-09-26
2017	2017-06-04	2017-09-27
2018	2018-05-14	2018-10-09
2019	2019-05-19	2019-10-03
2020	2020-05-26	2020-09-10
2021	2021-05-24	2021-09-19
2022	2022-05-11	2022-09-22
2023	2023-06-02	2023-09-06
2024	2024-04-16	2024-09-22
2025	2025-06-22	2025-10-03
2026	2026-06-07	2026-10-14

Every Fixed Threshold

Fixed thresholds at Oolitic Purdue Ex Fm
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	110	116	1899	54
35 C (95 F): Days	72	59	1936	3
40 C (104 F): Days	14	17	1936	5
90 F (32.2 C): Days	110	96	1936	22
100 F (37.8 C): Days	32	34	1936	13
110 F (43.3 C): Days	2	4	1936	4
0 C (32 F): Ice days (max	110	52	1978	23
0 C (32 F): Frost days (min	111	156	1976	68
-10 C (14 F): Days with min	111	50	1978	18
-20 C (-4 F): Days with min	71	22	1977	2
-30 C (-22 F): Days with min	4	2	1977	2
20 C (68 F): Tropical nights (min	111	53	1899	41
25 C (77 F): Days with min	7	6	1936	1
10 mm (0.39 in): Days with 10 mm or more rain	109	54	1945	33
25 mm (0.98 in): Days with 25 mm or more rain	109	21	1927	11
50 mm (1.97 in): Days with 50 mm or more rain	100	6	1950	1
100 mm (3.94 in): Days with 100 mm or more rain	11	1	1932	1
10 cm (3.9 in): Days with 10 cm or more snowfall	62	6	1951	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1951	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

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Data for Oolitic Purdue Ex Fm 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).

Oolitic Purdue Ex Fm Threshold Days by Year (USC00126580)

Key Facts for Oolitic Purdue Ex Fm Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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