Geneseo Threshold Days by Year (USC00113384)

18 fixed thresholds counted per year at Geneseo (USC00113384): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Geneseo Thresholds

Geneseo: days with 10 mm (0.39 in) or more of precipitation in 113 years, most in 2019 with 46.
Geneseo: days with 25 mm (0.98 in) or more of precipitation in 113 years, most in 1990 with 18.
Geneseo: days with 50 mm (1.97 in) or more of precipitation in 90 years, most in 1898 with 5.
Geneseo: days with a maximum temperature at or above 30 C (86 F) in 89 years, most in 2012 with 76.
18 fixed thresholds have at least one qualifying day at Geneseo.

Days at or above 30 C (86 F)

89 years with a qualifying day

Days per year at Geneseo with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 76 in 2012.

Days at or above 30 C (86 F) per year at Geneseo
Year	Days	Decade average
1895	49	40.8
1896	38	40.8
1897	42	40.8
1898	28	40.8
1899	47	40.8
1900	48	42.4
1901	65	42.4
1902	31	42.4
1903	25	42.4
1904	22	42.4
1905	50	42.4
1906	69	42.4
1907	29	42.4
1941	65	58.8
1942	57	58.8
1943	59	58.8
1944	70	58.8
1946	41	58.8
1947	61	58.8
1957	43	42
1958	21	42
1959	62	42
1960	34	45.1
1961	43	45.1
1962	44	45.1
1963	56	45.1
1964	54	45.1
1965	36	45.1
1966	40	45.1
1967	26	45.1
1968	58	45.1
1969	60	45.1
1970	59	51.8
1971	67	51.8
1972	51	51.8
1973	56	51.8
1974	31	51.8
1975	52	51.8
1976	43	51.8
1977	55	51.8
1978	58	51.8
1979	46	51.8
1980	51	49.4
1981	33	49.4
1982	31	49.4
1983	67	49.4
1984	48	49.4
1985	42	49.4
1986	40	49.4
1987	72	49.4
1988	75	49.4
1989	35	49.4
1990	35	41.8
1991	66	41.8
1992	24	41.8
1993	29	41.8
1994	43	41.8
1995	55	41.8
1996	33	41.8
1997	38	41.8
1998	45	41.8
1999	50	41.8
2000	36	42.5
2001	45	42.5
2002	57	42.5
2003	36	42.5
2004	25	42.5
2005	72	42.5
2006	44	42.5
2007	65	42.5
2008	31	42.5
2009	14	42.5
2010	61	54.3
2011	61	54.3
2012	76	54.3
2013	53	54.3
2014	40	54.3
2015	36	54.3
2016	66	54.3
2017	46	54.3
2018	57	54.3
2019	47	54.3
2020	52	51.3
2021	59	51.3
2022	37	51.3
2023	48	51.3
2024	52	51.3
2025	64	51.3
2026	47	51.3

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

First to last qualifying date each year at Geneseo
Year	First date	Last date
1895	1895-04-30	1895-09-22
1896	1896-05-06	1896-09-02
1897	1897-06-12	1897-09-15
1898	1898-06-03	1898-09-03
1899	1899-04-29	1899-10-13
1900	1900-05-13	1900-09-10
1901	1901-04-29	1901-09-07
1902	1902-04-21	1902-08-19
1903	1903-05-16	1903-08-24
1904	1904-05-22	1904-09-28
1905	1905-06-04	1905-10-09
1906	1906-05-16	1906-09-25
1907	1907-06-15	1907-09-01
1941	1941-05-15	1941-09-24
1942	1942-04-29	1942-09-19
1943	1943-05-05	1943-09-05
1944	1944-05-15	1944-09-04
1946	1946-06-07	1946-09-26
1947	1947-06-09	1947-10-21
1957	1957-06-06	1957-09-19
1958	1958-05-11	1958-09-24
1959	1959-05-02	1959-09-23
1960	1960-07-02	1960-09-08
1961	1961-05-31	1961-09-10
1962	1962-04-26	1962-10-11
1963	1963-05-08	1963-10-15
1964	1964-05-18	1964-09-20
1965	1965-05-07	1965-09-19
1966	1966-05-26	1966-09-02
1967	1967-05-18	1967-10-04
1968	1968-05-02	1968-10-15
1969	1969-05-03	1969-10-04
1970	1970-04-28	1970-09-21
1971	1971-04-12	1971-10-02
1972	1972-05-18	1972-09-20
1973	1973-06-07	1973-09-02
1974	1974-05-21	1974-08-26
1975	1975-05-05	1975-10-13
1976	1976-05-20	1976-10-02
1977	1977-04-16	1977-09-08
1978	1978-05-25	1978-09-19
1979	1979-05-08	1979-09-11
1980	1980-04-22	1980-09-20
1981	1981-04-27	1981-09-30
1982	1982-05-16	1982-09-30
1983	1983-06-09	1983-09-19
1984	1984-05-18	1984-09-24
1985	1985-04-18	1985-09-19
1986	1986-03-29	1986-09-25
1987	1987-04-20	1987-09-05
1988	1988-05-14	1988-09-22
1989	1989-05-24	1989-08-27
1990	1990-04-24	1990-09-27
1991	1991-05-12	1991-09-15
1992	1992-05-01	1992-09-16
1993	1993-05-08	1993-09-12
1994	1994-05-21	1994-09-30
1995	1995-06-06	1995-09-05
1996	1996-05-17	1996-08-22
1997	1997-05-18	1997-10-07
1998	1998-05-14	1998-09-26
1999	1999-05-28	1999-09-25
2000	2000-05-08	2000-09-18
2001	2001-05-15	2001-09-07
2002	2002-04-15	2002-09-30
2003	2003-04-14	2003-09-11
2004	2004-04-16	2004-09-14
2005	2005-06-04	2005-10-05
2006	2006-04-13	2006-10-03
2007	2007-04-29	2007-10-07
2008	2008-06-01	2008-09-02
2009	2009-05-23	2009-08-15
2010	2010-05-23	2010-10-09
2011	2011-05-10	2011-09-12
2012	2012-05-15	2012-09-12
2013	2013-04-30	2013-09-19
2014	2014-05-07	2014-09-04
2015	2015-06-04	2015-09-17
2016	2016-05-06	2016-10-17
2017	2017-05-15	2017-09-26
2018	2018-05-02	2018-10-03
2019	2019-05-16	2019-10-01
2020	2020-05-24	2020-09-06
2021	2021-04-27	2021-09-30
2022	2022-05-10	2022-09-20
2023	2023-05-07	2023-10-03
2024	2024-05-18	2024-10-29
2025	2025-05-12	2025-10-04
2026	2026-05-17	2026-10-12

Every Fixed Threshold

Fixed thresholds at Geneseo
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	89	76	2012	47
35 C (95 F): Days	76	28	1988	4
40 C (104 F): Days	2	3	1901	2
90 F (32.2 C): Days	89	52	2012	25
100 F (37.8 C): Days	18	11	1988	1
0 C (32 F): Ice days (max	89	80	1978	29
0 C (32 F): Frost days (min	89	152	1969	69
-10 C (14 F): Days with min	89	68	1978	24
-20 C (-4 F): Days with min	83	30	1963	3
-30 C (-22 F): Days with min	8	2	2019	2
20 C (68 F): Tropical nights (min	89	48	1995	38
25 C (77 F): Days with min	35	7	1988	2
10 mm (0.39 in): Days with 10 mm or more rain	113	46	2019	36
25 mm (0.98 in): Days with 25 mm or more rain	113	18	1990	11
50 mm (1.97 in): Days with 50 mm or more rain	90	5	1898	1
100 mm (3.94 in): Days with 100 mm or more rain	22	3	1898	2
10 cm (3.9 in): Days with 10 cm or more snowfall	77	7	1997	1
25 cm (9.8 in): Days with 25 cm or more snowfall	9	2	2000	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1895.

Download the Data

Data for Geneseo 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).

Geneseo Threshold Days by Year (USC00113384)

Key Facts for Geneseo Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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