Oneonta Threshold Days by Year (USC00016121)

18 fixed thresholds counted per year at Oneonta (USC00016121): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oneonta Thresholds

Oneonta: days with 10 mm (0.39 in) or more of precipitation in 102 years, most in 1900 with 66.
Oneonta: days with 25 mm (0.98 in) or more of precipitation in 102 years, most in 1900 with 33.
Oneonta: days with 50 mm (1.97 in) or more of precipitation in 100 years, most in 1900 with 13.
Oneonta: days with a maximum temperature at or above 30 C (86 F) in 92 years, most in 1943 with 129.
18 fixed thresholds have at least one qualifying day at Oneonta.

Days at or above 30 C (86 F)

92 years with a qualifying day

Days per year at Oneonta with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 129 in 1943.

Days at or above 30 C (86 F) per year at Oneonta
Year	Days	Decade average
1898	88	87
1899	86	87
1900	59	84.6
1901	67	84.6
1902	96	84.6
1903	74	84.6
1904	105	84.6
1905	102	84.6
1906	107	84.6
1907	98	84.6
1908	61	84.6
1909	77	84.6
1910	78	89.5
1911	109	89.5
1912	90	89.5
1913	102	89.5
1914	94	89.5
1915	61	89.5
1916	60	89.5
1917	91	89.5
1918	102	89.5
1919	108	89.5
1920	82	82
1939	110	110
1943	129	110.4
1944	119	110.4
1945	122	110.4
1946	90	110.4
1947	120	110.4
1948	82	110.4
1949	111	110.4
1950	97	108.4
1951	119	108.4
1952	113	108.4
1953	119	108.4
1954	105	108.4
1955	110	108.4
1956	104	108.4
1957	97	108.4
1958	107	108.4
1959	113	108.4
1960	109	93.5
1961	79	93.5
1962	127	93.5
1963	106	93.5
1964	100	93.5
1965	106	93.5
1966	71	93.5
1967	56	93.5
1968	84	93.5
1969	97	93.5
1970	109	91.1
1971	101	91.1
1972	92	91.1
1973	107	91.1
1974	81	91.1
1975	79	91.1
1976	58	91.1
1977	109	91.1
1978	109	91.1
1979	66	91.1
1980	111	89.3
1981	93	89.3
1982	95	89.3
1983	82	89.3
1984	93	89.3
1985	76	89.3
1986	97	89.3
1987	98	89.3
1988	89	89.3
1989	59	89.3
1990	100	77.6
1991	89	77.6
1992	42	77.6
1993	90	77.6
1994	50	77.6
1995	88	77.6
1996	75	77.6
1997	56	77.6
1998	103	77.6
1999	83	77.6
2012	81	90.3
2013	66	90.3
2015	85	90.3
2016	129	90.3
2020	43	46.4
2021	20	46.4
2022	52	46.4
2023	47	46.4
2024	56	46.4
2025	50	46.4
2026	57	46.4

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

First to last qualifying date each year at Oneonta
Year	First date	Last date
1898	1898-05-04	1898-10-05
1899	1899-05-03	1899-09-19
1900	1900-05-12	1900-09-29
1901	1901-05-01	1901-09-13
1902	1902-05-03	1902-09-24
1903	1903-05-23	1903-10-07
1904	1904-05-22	1904-10-19
1905	1905-04-28	1905-09-26
1906	1906-04-12	1906-09-24
1907	1907-03-20	1907-09-24
1908	1908-05-22	1908-09-24
1909	1909-05-08	1909-10-05
1910	1910-03-28	1910-10-13
1911	1911-05-11	1911-10-16
1912	1912-05-10	1912-10-12
1913	1913-05-04	1913-10-10
1914	1914-04-18	1914-09-21
1915	1915-04-22	1915-09-28
1916	1916-04-13	1916-10-16
1917	1917-04-17	1917-09-21
1918	1918-05-09	1918-10-06
1919	1919-04-08	1919-10-29
1920	1920-04-17	1920-10-21
1939	1939-05-21	1939-10-10
1943	1943-04-26	1943-10-03
1944	1944-05-11	1944-10-06
1945	1945-03-16	1945-10-01
1946	1946-04-07	1946-10-10
1947	1947-04-08	1947-10-21
1948	1948-03-20	1948-09-23
1949	1949-05-05	1949-10-14
1950	1950-05-04	1950-10-31
1951	1951-05-01	1951-10-07
1952	1952-04-22	1952-10-06
1953	1953-04-09	1953-10-22
1954	1954-04-15	1954-10-15
1955	1955-04-18	1955-10-13
1956	1956-04-29	1956-10-07
1957	1957-04-28	1957-09-23
1958	1958-04-24	1958-09-27
1959	1959-04-08	1959-10-06
1960	1960-04-24	1960-10-04
1961	1961-06-02	1961-09-28
1962	1962-05-01	1962-10-17
1963	1963-04-01	1963-10-28
1964	1964-04-20	1964-09-24
1965	1965-04-10	1965-09-23
1966	1966-05-30	1966-09-12
1967	1967-04-06	1967-09-22
1968	1968-04-20	1968-10-03
1969	1969-05-07	1969-10-14
1970	1970-04-23	1970-10-04
1971	1971-04-20	1971-10-05
1972	1972-04-15	1972-09-25
1973	1973-05-11	1973-10-10
1974	1974-03-10	1974-09-21
1975	1975-05-21	1975-10-13
1976	1976-06-02	1976-09-26
1977	1977-04-12	1977-09-24
1978	1978-04-06	1978-09-24
1979	1979-05-11	1979-09-07
1980	1980-04-24	1980-09-25
1981	1981-04-15	1981-10-07
1982	1982-03-19	1982-09-19
1983	1983-05-30	1983-10-04
1984	1984-04-26	1984-09-28
1985	1985-04-22	1985-10-13
1986	1986-04-27	1986-10-05
1987	1987-04-22	1987-09-21
1988	1988-04-06	1988-09-25
1989	1989-04-28	1989-09-16
1990	1990-05-04	1990-10-10
1991	1991-05-16	1991-09-20
1992	1992-05-20	1992-09-12
1993	1993-05-09	1993-09-26
1994	1994-04-28	1994-09-20
1995	1995-05-16	1995-09-16
1996	1996-05-19	1996-10-30
1997	1997-06-14	1997-09-21
1998	1998-05-14	1998-10-12
1999	1999-04-04	1999-09-17
2012	2012-04-30	2012-09-29
2013	2013-04-18	2013-10-06
2015	2015-05-07	2015-09-18
2016	2016-03-15	2016-11-03
2020	2020-06-10	2020-09-14
2021	2021-06-13	2021-08-25
2022	2022-05-19	2022-09-22
2023	2023-04-05	2023-09-12
2024	2024-06-14	2024-09-24
2025	2025-06-06	2025-09-23
2026	2026-06-12	2026-10-14

Every Fixed Threshold

Fixed thresholds at Oneonta
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	92	129	1943	57
35 C (95 F): Days	78	52	1954	1
40 C (104 F): Days	9	5	1952	4
90 F (32.2 C): Days	91	93	1951	15
100 F (37.8 C): Days	23	19	1954	4
0 C (32 F): Ice days (max	74	12	1978	2
0 C (32 F): Frost days (min	91	104	1969	33
-10 C (14 F): Days with min	77	19	1963	2
-20 C (-4 F): Days with min	7	2	1899	2
20 C (68 F): Tropical nights (min	91	99	2016	79
25 C (77 F): Days with min	12	4	1912	2
10 mm (0.39 in): Days with 10 mm or more rain	102	66	1900	37
25 mm (0.98 in): Days with 25 mm or more rain	102	33	1900	15
50 mm (1.97 in): Days with 50 mm or more rain	100	13	1900	3
100 mm (3.94 in): Days with 100 mm or more rain	37	3	1979	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1987	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	1	1962	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1993	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Oneonta 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).

Oneonta Threshold Days by Year (USC00016121)

Key Facts for Oneonta Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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