Gleneva Threshold Days by Year

4 fixed thresholds counted per year at Gleneva (ASN00008052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gleneva Thresholds

Gleneva: days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1963 with 18.
Gleneva: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1939 with 6.
Gleneva: days with 50 mm (1.97 in) or more of precipitation in 22 years, most in 1968 with 2.
Gleneva: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Gleneva.

Days with 10 mm (0.39 in) or more of precipitation

91 years with a qualifying day

Days per year at Gleneva with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Gleneva
Year	Days	Decade average
1920	15	12.3
1921	14	12.3
1922	6	12.3
1923	17	12.3
1924	7	12.3
1925	13	12.3
1926	17	12.3
1927	13	12.3
1928	10	12.3
1929	11	12.3
1930	8	9.9
1931	9	9.9
1932	12	9.9
1933	10	9.9
1934	15	9.9
1935	9	9.9
1936	7	9.9
1937	9	9.9
1938	6	9.9
1939	14	9.9
1940	6	9.7
1941	11	9.7
1942	8	9.7
1943	8	9.7
1944	8	9.7
1945	11	9.7
1946	14	9.7
1947	12	9.7
1948	9	9.7
1962	9	10.3
1963	18	10.3
1964	12	10.3
1965	8	10.3
1966	5	10.3
1967	11	10.3
1968	13	10.3
1969	6	10.3
1970	8	7.1
1971	7	7.1
1972	7	7.1
1973	9	7.1
1974	7	7.1
1975	10	7.1
1976	7	7.1
1977	6	7.1
1978	7	7.1
1979	3	7.1
1980	10	10.8
1981	17	10.8
1982	8	10.8
1983	10	10.8
1984	13	10.8
1985	7	10.8
1986	13	10.8
1987	9	10.8
1988	9	10.8
1989	12	10.8
1990	8	10.2
1991	8	10.2
1992	6	10.2
1993	8	10.2
1994	10	10.2
1995	12	10.2
1996	18	10.2
1997	13	10.2
1999	9	10.2
2000	10	7.6
2001	11	7.6
2002	3	7.6
2003	10	7.6
2004	7	7.6
2005	12	7.6
2006	4	7.6
2007	3	7.6
2008	11	7.6
2009	5	7.6
2011	13	8
2013	7	8
2014	5	8
2015	10	8
2016	7	8
2017	8	8
2018	9	8
2019	5	8
2020	8	8.1
2021	9	8.1
2022	7	8.1
2023	1	8.1
2024	13	8.1
2025	11	8.1
2026	8	8.1

For each year, a bar from the first to the last day at Gleneva meeting 10 mm (0.39 in).

First to last qualifying date each year at Gleneva
Year	First date	Last date
1920	1920-03-12	1920-09-11
1921	1921-02-19	1921-12-31
1922	1922-04-16	1922-08-25
1923	1923-01-31	1923-08-07
1924	1924-05-14	1924-08-07
1925	1925-03-04	1925-12-27
1926	1926-03-09	1926-12-12
1927	1927-03-12	1927-08-14
1928	1928-01-25	1928-12-05
1929	1929-03-22	1929-08-29
1930	1930-05-09	1930-09-07
1931	1931-05-03	1931-10-06
1932	1932-04-13	1932-12-18
1933	1933-05-22	1933-10-06
1934	1934-03-08	1934-07-14
1935	1935-01-06	1935-08-29
1936	1936-04-19	1936-12-31
1937	1937-05-14	1937-09-07
1938	1938-04-20	1938-08-22
1939	1939-02-13	1939-11-10
1940	1940-05-14	1940-07-27
1941	1941-04-05	1941-11-14
1942	1942-05-13	1942-08-11
1943	1943-01-31	1943-07-30
1944	1944-05-18	1944-08-27
1945	1945-05-15	1945-08-15
1946	1946-04-19	1946-11-11
1947	1947-05-03	1947-10-25
1948	1948-03-16	1948-08-29
1962	1962-05-24	1962-10-01
1963	1963-02-17	1963-08-11
1964	1964-03-29	1964-10-09
1965	1965-04-30	1965-10-06
1966	1966-04-04	1966-08-27
1967	1967-01-21	1967-08-08
1968	1968-01-27	1968-09-11
1969	1969-05-18	1969-11-03
1970	1970-05-30	1970-09-20
1971	1971-03-28	1971-10-21
1972	1972-05-15	1972-07-07
1973	1973-06-06	1973-11-23
1974	1974-05-25	1974-10-20
1975	1975-02-21	1975-10-06
1976	1976-05-11	1976-09-28
1977	1977-04-27	1977-08-02
1978	1978-04-04	1978-09-20
1979	1979-03-14	1979-08-19
1980	1980-04-21	1980-08-26
1981	1981-05-25	1981-12-10
1982	1982-01-21	1982-09-14
1983	1983-05-02	1983-09-01
1984	1984-02-20	1984-09-29
1985	1985-02-25	1985-08-27
1986	1986-02-21	1986-08-22
1987	1987-02-09	1987-10-06
1988	1988-04-16	1988-12-30
1989	1989-01-12	1989-08-18
1990	1990-01-29	1990-08-02
1991	1991-04-21	1991-12-24
1992	1992-03-16	1992-09-19
1993	1993-02-08	1993-11-13
1994	1994-02-28	1994-08-10
1995	1995-04-22	1995-11-16
1996	1996-02-08	1996-11-07
1997	1997-02-02	1997-10-21
1999	1999-04-15	1999-12-28
2000	2000-01-02	2000-09-06
2001	2001-02-11	2001-11-15
2002	2002-04-23	2002-06-05
2003	2003-04-11	2003-11-17
2004	2004-05-10	2004-11-23
2005	2005-03-28	2005-09-20
2006	2006-01-06	2006-07-25
2007	2007-06-23	2007-12-11
2008	2008-03-19	2008-07-29
2009	2009-05-22	2009-10-26
2011	2011-02-21	2011-10-26
2013	2013-01-14	2013-09-14
2014	2014-01-31	2014-09-22
2015	2015-01-31	2015-08-01
2016	2016-01-30	2016-07-17
2017	2017-01-30	2017-12-10
2018	2018-01-15	2018-12-17
2019	2019-06-07	2019-07-05
2020	2020-02-22	2020-11-02
2021	2021-02-06	2021-10-19
2022	2022-07-21	2022-12-21
2023	2023-08-03	2023-08-03
2024	2024-02-25	2024-11-21
2025	2025-05-30	2025-08-25
2026	2026-03-07	2026-09-06

Every Fixed Threshold

Fixed thresholds at Gleneva
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	91	18	1963	8
25 mm (0.98 in): Days with 25 mm or more rain	72	6	1939	1
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1968	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.

Download the Data

Data for Gleneva 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Gleneva Threshold Days by Year

Key Facts for Gleneva Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

Related