Ostas I Hegra Threshold Days by Year (NOE00111120)

4 fixed thresholds counted per year at Ostas I Hegra (NOE00111120): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ostas I Hegra Thresholds

Ostas I Hegra: days with 10 mm (0.39 in) or more of precipitation in 129 years, most in 1921 with 71.
Ostas I Hegra: days with 25 mm (0.98 in) or more of precipitation in 124 years, most in 1936 with 14.
Ostas I Hegra: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1932 with 3.
Ostas I Hegra: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Ostas I Hegra.

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

129 years with a qualifying day

Days per year at Ostas I Hegra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 71 in 1921.

Days with 10 mm (0.39 in) or more of precipitation per year at Ostas I Hegra
Year	Days	Decade average
1896	34	37.8
1897	28	37.8
1898	39	37.8
1899	50	37.8
1900	29	32.2
1901	22	32.2
1902	34	32.2
1903	28	32.2
1904	33	32.2
1905	43	32.2
1906	27	32.2
1907	35	32.2
1908	35	32.2
1909	36	32.2
1910	29	29.8
1911	35	29.8
1912	20	29.8
1913	27	29.8
1914	30	29.8
1915	32	29.8
1916	28	29.8
1917	37	29.8
1918	26	29.8
1919	34	29.8
1920	28	38.4
1921	71	38.4
1922	37	38.4
1923	42	38.4
1924	31	38.4
1925	38	38.4
1926	37	38.4
1927	22	38.4
1929	40	38.4
1930	30	37.8
1931	33	37.8
1932	45	37.8
1933	47	37.8
1934	47	37.8
1935	32	37.8
1936	34	37.8
1937	17	37.8
1938	56	37.8
1939	37	37.8
1940	43	39.1
1941	38	39.1
1942	53	39.1
1943	40	39.1
1944	43	39.1
1945	44	39.1
1946	36	39.1
1947	35	39.1
1948	32	39.1
1949	27	39.1
1950	41	35.5
1951	26	35.5
1952	40	35.5
1953	46	35.5
1954	25	35.5
1955	44	35.5
1956	39	35.5
1957	34	35.5
1958	35	35.5
1959	25	35.5
1960	28	36.8
1961	41	36.8
1962	42	36.8
1963	32	36.8
1964	46	36.8
1965	33	36.8
1966	35	36.8
1967	42	36.8
1968	36	36.8
1969	33	36.8
1970	25	40.3
1971	62	40.3
1972	36	40.3
1973	60	40.3
1974	26	40.3
1975	49	40.3
1976	40	40.3
1977	20	40.3
1978	43	40.3
1979	42	40.3
1980	35	39.2
1981	28	39.2
1982	32	39.2
1983	63	39.2
1984	22	39.2
1985	43	39.2
1986	41	39.2
1987	48	39.2
1988	38	39.2
1989	42	39.2
1990	39	41.5
1991	41	41.5
1992	41	41.5
1993	44	41.5
1994	40	41.5
1995	39	41.5
1996	26	41.5
1997	53	41.5
1998	47	41.5
1999	45	41.5
2000	31	34.4
2001	47	34.4
2002	25	34.4
2003	36	34.4
2004	39	34.4
2005	35	34.4
2006	31	34.4
2007	42	34.4
2008	24	34.4
2009	34	34.4
2010	31	36.7
2011	37	36.7
2012	46	36.7
2013	26	36.7
2014	21	36.7
2015	39	36.7
2016	36	36.7
2017	47	36.7
2019	47	36.7
2020	44	43.7
2021	43	43.7
2022	40	43.7
2023	43	43.7
2024	51	43.7
2025	62	43.7
2026	23	43.7

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

First to last qualifying date each year at Ostas I Hegra
Year	First date	Last date
1896	1896-01-08	1896-11-28
1897	1897-02-14	1897-11-25
1898	1898-01-11	1898-12-28
1899	1899-01-25	1899-12-03
1900	1900-01-23	1900-12-17
1901	1901-01-21	1901-11-27
1902	1902-01-01	1902-11-03
1903	1903-02-02	1903-11-25
1904	1904-01-22	1904-12-28
1905	1905-01-01	1905-12-23
1906	1906-03-03	1906-12-17
1907	1907-01-07	1907-11-30
1908	1908-01-02	1908-12-08
1909	1909-01-03	1909-11-25
1910	1910-01-01	1910-12-24
1911	1911-01-14	1911-12-31
1912	1912-01-01	1912-11-28
1913	1913-02-04	1913-12-31
1914	1914-01-03	1914-11-10
1915	1915-01-19	1915-12-19
1916	1916-01-25	1916-11-26
1917	1917-02-08	1917-12-13
1918	1918-01-05	1918-11-29
1919	1919-02-01	1919-12-20
1920	1920-01-03	1920-12-19
1921	1921-01-19	1921-12-17
1922	1922-01-01	1922-12-14
1923	1923-01-23	1923-12-26
1924	1924-01-26	1924-12-21
1925	1925-01-07	1925-12-30
1926	1926-03-02	1926-12-31
1927	1927-01-11	1927-12-28
1929	1929-01-04	1929-12-16
1930	1930-01-20	1930-12-18
1931	1931-01-10	1931-12-24
1932	1932-01-05	1932-11-29
1933	1933-01-23	1933-12-24
1934	1934-01-19	1934-12-04
1935	1935-01-03	1935-12-23
1936	1936-02-04	1936-12-26
1937	1937-04-24	1937-11-28
1938	1938-01-03	1938-11-15
1939	1939-01-30	1939-12-24
1940	1940-01-01	1940-12-28
1941	1941-01-09	1941-12-31
1942	1942-01-06	1942-12-27
1943	1943-02-11	1943-12-30
1944	1944-01-05	1944-12-29
1945	1945-01-01	1945-12-15
1946	1946-01-05	1946-11-11
1947	1947-01-17	1947-12-24
1948	1948-03-08	1948-12-22
1949	1949-01-08	1949-10-13
1950	1950-01-01	1950-12-05
1951	1951-01-19	1951-12-15
1952	1952-01-01	1952-12-09
1953	1953-01-08	1953-12-28
1954	1954-01-01	1954-12-21
1955	1955-01-06	1955-12-09
1956	1956-01-02	1956-12-04
1957	1957-01-07	1957-12-30
1958	1958-01-15	1958-12-04
1959	1959-01-25	1959-09-23
1960	1960-01-06	1960-09-25
1961	1961-01-13	1961-12-25
1962	1962-01-02	1962-12-05
1963	1963-01-07	1963-12-21
1964	1964-01-03	1964-12-15
1965	1965-01-02	1965-12-20
1966	1966-01-18	1966-12-19
1967	1967-01-09	1967-12-16
1968	1968-01-08	1968-12-24
1969	1969-01-01	1969-12-27
1970	1970-01-01	1970-12-19
1971	1971-01-03	1971-12-23
1972	1972-03-12	1972-12-24
1973	1973-01-02	1973-12-31
1974	1974-01-21	1974-12-31
1975	1975-01-01	1975-12-27
1976	1976-01-01	1976-12-24
1977	1977-03-01	1977-12-19
1978	1978-01-01	1978-12-17
1979	1979-01-22	1979-12-06
1980	1980-01-17	1980-12-29
1981	1981-01-01	1981-12-03
1982	1982-01-08	1982-12-22
1983	1983-01-08	1983-12-31
1984	1984-01-01	1984-12-10
1985	1985-01-27	1985-12-30
1986	1986-01-17	1986-12-04
1987	1987-01-02	1987-12-29
1988	1988-02-20	1988-12-20
1989	1989-01-01	1989-12-10
1990	1990-01-09	1990-12-06
1991	1991-01-22	1991-12-28
1992	1992-01-02	1992-12-26
1993	1993-01-06	1993-12-20
1994	1994-01-20	1994-12-23
1995	1995-01-13	1995-12-23
1996	1996-02-14	1996-12-23
1997	1997-01-04	1997-10-31
1998	1998-01-10	1998-12-19
1999	1999-01-30	1999-12-17
2000	2000-01-03	2000-10-21
2001	2001-01-10	2001-12-31
2002	2002-02-15	2002-12-31
2003	2003-01-07	2003-12-25
2004	2004-01-17	2004-12-15
2005	2005-01-18	2005-12-23
2006	2006-01-29	2006-12-23
2007	2007-01-16	2007-11-22
2008	2008-02-16	2008-11-26
2009	2009-01-08	2009-12-29
2010	2010-01-24	2010-12-31
2011	2011-01-21	2011-12-26
2012	2012-01-04	2012-12-27
2013	2013-01-03	2013-12-09
2014	2014-04-13	2014-12-30
2015	2015-01-27	2015-12-25
2016	2016-01-18	2016-12-29
2017	2017-01-19	2017-12-21
2019	2019-01-03	2019-12-31
2020	2020-01-03	2020-11-22
2021	2021-01-23	2021-12-26
2022	2022-01-03	2022-10-28
2023	2023-01-23	2023-12-22
2024	2024-01-09	2024-12-29
2025	2025-01-02	2025-12-28
2026	2026-02-25	2026-08-30

Every Fixed Threshold

Fixed thresholds at Ostas I Hegra
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	129	71	1921	23
25 mm (0.98 in): Days with 25 mm or more rain	124	14	1936	4
50 mm (1.97 in): Days with 50 mm or more rain	31	3	1932	1
100 mm (3.94 in): Days with 100 mm or more rain	1	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 1896.

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Data for Ostas I Hegra 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Ostas I Hegra Threshold Days by Year (NOE00111120)

Key Facts for Ostas I Hegra Thresholds

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

Every Fixed Threshold

Download the Data

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