Corning Threshold Days by Year (USC00031632)

19 fixed thresholds counted per year at Corning (USC00031632): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Corning Thresholds

Corning: days with a maximum temperature at or above 30 C (86 F) in 116 years, most in 1941 with 137.
Corning: days with a maximum temperature at or above 90 F (32.2 C) in 116 years, most in 1939 with 104.
Corning: nights with a minimum temperature at or below 0 C (32 F) in 116 years, most in 1895 with 117.
Corning: nights with a minimum temperature at or above 20 C (68 F) in 116 years, most in 1991 with 101.
19 fixed thresholds have at least one qualifying day at Corning.

Days at or above 30 C (86 F)

116 years with a qualifying day

Days per year at Corning with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 137 in 1941.

Days at or above 30 C (86 F) per year at Corning
Year	Days	Decade average
1893	100	106.2
1894	103	106.2
1895	105	106.2
1896	115	106.2
1898	106	106.2
1899	108	106.2
1900	96	83.1
1901	113	83.1
1902	81	83.1
1903	62	83.1
1904	57	83.1
1906	87	83.1
1908	78	83.1
1909	91	83.1
1910	95	95
1921	110	102.8
1922	109	102.8
1923	86	102.8
1924	106	102.8
1925	127	102.8
1926	112	102.8
1927	82	102.8
1928	92	102.8
1929	101	102.8
1930	103	113
1931	89	113
1932	118	113
1933	112	113
1934	120	113
1935	99	113
1936	126	113
1937	104	113
1938	127	113
1939	132	113
1940	112	106.8
1941	137	106.8
1942	102	106.8
1943	103	106.8
1944	124	106.8
1945	82	106.8
1946	93	106.8
1947	106	106.8
1948	102	106.8
1950	66	102
1951	91	102
1952	112	102
1953	123	102
1954	120	102
1955	109	102
1956	107	102
1957	82	102
1958	97	102
1959	113	102
1960	92	99.7
1961	91	99.7
1962	112	99.7
1963	124	99.7
1964	94	99.7
1965	108	99.7
1966	83	99.7
1967	82	99.7
1968	97	99.7
1969	114	99.7
1970	108	100.3
1971	111	100.3
1972	104	100.3
1973	102	100.3
1974	79	100.3
1975	95	100.3
1976	87	100.3
1977	119	100.3
1978	105	100.3
1979	93	100.3
1980	121	108.9
1981	105	108.9
1982	108	108.9
1983	112	108.9
1984	110	108.9
1985	103	108.9
1986	113	108.9
1987	134	108.9
1988	101	108.9
1989	82	108.9
1990	86	88.3
1991	95	88.3
1992	55	88.3
1995	95	88.3
1996	89	88.3
1997	90	88.3
1998	107	88.3
1999	89	88.3
2000	86	80.5
2001	79	80.5
2002	90	80.5
2003	68	80.5
2004	72	80.5
2006	83	80.5
2007	109	80.5
2009	57	80.5
2010	112	90.5
2011	104	90.5
2012	102	90.5
2013	70	90.5
2014	76	90.5
2015	71	90.5
2016	90	90.5
2017	81	90.5
2018	109	90.5
2019	90	90.5
2020	78	85.7
2021	71	85.7
2022	76	85.7
2023	95	85.7
2024	76	85.7
2025	95	85.7
2026	109	85.7

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

First to last qualifying date each year at Corning
Year	First date	Last date
1893	1893-04-05	1893-10-02
1894	1894-04-27	1894-10-23
1895	1895-04-29	1895-09-25
1896	1896-04-11	1896-09-18
1898	1898-05-12	1898-10-05
1899	1899-04-26	1899-10-22
1900	1900-04-26	1900-10-05
1901	1901-04-28	1901-10-10
1902	1902-04-21	1902-09-08
1903	1903-05-25	1903-10-03
1904	1904-05-23	1904-10-05
1906	1906-04-10	1906-09-22
1908	1908-05-25	1908-10-19
1909	1909-06-05	1909-10-04
1910	1910-03-23	1910-10-18
1921	1921-03-26	1921-09-24
1922	1922-05-09	1922-10-28
1923	1923-04-22	1923-09-30
1924	1924-04-08	1924-11-03
1925	1925-03-15	1925-10-04
1926	1926-05-01	1926-10-03
1927	1927-04-27	1927-10-31
1928	1928-05-02	1928-10-14
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-10-04
1931	1931-04-16	1931-10-26
1932	1932-04-21	1932-10-19
1933	1933-05-09	1933-10-11
1934	1934-04-26	1934-10-24
1935	1935-04-25	1935-10-16
1936	1936-04-15	1936-10-05
1937	1937-04-17	1937-11-01
1938	1938-04-18	1938-10-18
1939	1939-03-22	1939-10-25
1940	1940-04-01	1940-10-28
1941	1941-04-11	1941-10-23
1942	1942-04-17	1942-10-09
1943	1943-04-10	1943-09-15
1944	1944-03-15	1944-10-31
1945	1945-05-20	1945-09-28
1946	1946-04-01	1946-10-09
1947	1947-05-04	1947-10-23
1948	1948-04-07	1948-09-23
1950	1950-05-17	1950-10-30
1951	1951-05-04	1951-10-23
1952	1952-04-29	1952-10-28
1953	1953-04-24	1953-10-22
1954	1954-04-15	1954-10-06
1955	1955-04-17	1955-09-30
1956	1956-05-06	1956-10-06
1957	1957-05-12	1957-09-21
1958	1958-05-14	1958-09-26
1959	1959-04-30	1959-10-10
1960	1960-04-06	1960-10-02
1961	1961-05-29	1961-10-31
1962	1962-04-30	1962-10-10
1963	1963-04-17	1963-10-22
1964	1964-05-05	1964-09-20
1965	1965-04-21	1965-09-19
1966	1966-05-06	1966-10-09
1967	1967-03-12	1967-10-07
1968	1968-05-02	1968-10-14
1969	1969-04-16	1969-10-20
1970	1970-05-11	1970-10-02
1971	1971-04-17	1971-10-29
1972	1972-04-07	1972-09-28
1973	1973-05-10	1973-10-09
1974	1974-05-13	1974-10-12
1975	1975-05-18	1975-10-14
1976	1976-05-22	1976-10-04
1977	1977-03-15	1977-10-01
1978	1978-04-06	1978-10-21
1979	1979-05-08	1979-10-21
1980	1980-04-21	1980-10-10
1981	1981-04-10	1981-10-05
1982	1982-04-13	1982-10-09
1983	1983-05-25	1983-10-03
1984	1984-04-27	1984-09-21
1985	1985-04-21	1985-10-13
1986	1986-05-07	1986-10-04
1987	1987-04-19	1987-09-27
1988	1988-05-12	1988-09-24
1989	1989-04-23	1989-10-14
1990	1990-06-07	1990-09-29
1991	1991-05-15	1991-10-12
1992	1992-04-16	1992-09-19
1995	1995-04-08	1995-09-15
1996	1996-05-09	1996-09-12
1997	1997-05-17	1997-10-12
1998	1998-05-13	1998-10-05
1999	1999-05-11	1999-09-29
2000	2000-05-13	2000-10-06
2001	2001-04-28	2001-09-24
2002	2002-04-19	2002-10-05
2003	2003-05-06	2003-09-12
2004	2004-05-08	2004-10-08
2006	2006-04-14	2006-10-05
2007	2007-05-01	2007-10-09
2009	2009-05-16	2009-08-28
2010	2010-04-06	2010-10-12
2011	2011-04-10	2011-10-17
2012	2012-04-02	2012-09-26
2013	2013-04-17	2013-10-05
2014	2014-05-05	2014-10-03
2015	2015-05-08	2015-09-19
2016	2016-05-08	2016-10-20
2017	2017-04-30	2017-10-15
2018	2018-05-09	2018-10-10
2019	2019-05-17	2019-10-04
2020	2020-05-24	2020-09-16
2021	2021-05-21	2021-10-14
2022	2022-05-10	2022-09-24
2023	2023-05-08	2023-10-21
2024	2024-04-15	2024-10-06
2025	2025-05-19	2025-10-18
2026	2026-03-21	2026-10-13

Every Fixed Threshold

Fixed thresholds at Corning
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	116	137	1941	109
35 C (95 F): Days	115	71	1954	40
40 C (104 F): Days	30	23	1934	3
45 C (113 F): Days	2	2	1934	1
90 F (32.2 C): Days	116	104	1939	68
100 F (37.8 C): Days	82	45	1934	13
110 F (43.3 C): Days	4	7	1934	2
0 C (32 F): Ice days (max	114	22	2000	6
0 C (32 F): Frost days (min	116	117	1895	37
-10 C (14 F): Days with min	110	27	1895	8
-20 C (-4 F): Days with min	19	7	1899	3
-30 C (-22 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	116	101	1991	106
25 C (77 F): Days with min	71	15	2010	16
10 mm (0.39 in): Days with 10 mm or more rain	112	60	1945	21
25 mm (0.98 in): Days with 25 mm or more rain	112	31	1919	4
50 mm (1.97 in): Days with 50 mm or more rain	106	11	1919	1
100 mm (3.94 in): Days with 100 mm or more rain	35	2	1938	1
10 cm (3.9 in): Days with 10 cm or more snowfall	36	3	1960	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.

Download the Data

Data for Corning 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).

Corning Threshold Days by Year (USC00031632)

Key Facts for Corning Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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