Rjukan Threshold Days by Year (NOE00110375)

4 fixed thresholds counted per year at Rjukan (NOE00110375): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rjukan Thresholds

Rjukan: days with 10 mm (0.39 in) or more of precipitation in 127 years, most in 2000 with 50.
Rjukan: days with 25 mm (0.98 in) or more of precipitation in 126 years, most in 2020 with 10.
Rjukan: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1934 with 4.
Rjukan: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1927 with 1.
4 fixed thresholds have at least one qualifying day at Rjukan.

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

127 years with a qualifying day

Days per year at Rjukan with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 2000.

Days with 10 mm (0.39 in) or more of precipitation per year at Rjukan
Year	Days	Decade average
1900	21	24.5
1901	26	24.5
1902	13	24.5
1903	28	24.5
1904	14	24.5
1905	22	24.5
1906	23	24.5
1907	32	24.5
1908	26	24.5
1909	40	24.5
1910	47	32.7
1911	21	32.7
1912	35	32.7
1913	29	32.7
1914	34	32.7
1915	31	32.7
1916	49	32.7
1917	25	32.7
1918	31	32.7
1919	25	32.7
1920	32	27.5
1921	9	27.5
1922	31	27.5
1923	28	27.5
1924	34	27.5
1925	23	27.5
1926	42	27.5
1927	31	27.5
1928	20	27.5
1929	25	27.5
1930	31	24.2
1931	18	24.2
1932	18	24.2
1933	13	24.2
1934	32	24.2
1935	30	24.2
1936	18	24.2
1937	26	24.2
1938	29	24.2
1939	27	24.2
1940	23	22.9
1941	19	22.9
1942	22	22.9
1943	26	22.9
1944	30	22.9
1945	22	22.9
1946	22	22.9
1947	11	22.9
1948	27	22.9
1949	27	22.9
1950	39	25.5
1951	31	25.5
1952	16	25.5
1953	23	25.5
1954	33	25.5
1955	13	25.5
1956	19	25.5
1957	23	25.5
1958	29	25.5
1959	29	25.5
1960	38	30.7
1961	34	30.7
1962	25	30.7
1963	35	30.7
1964	24	30.7
1965	27	30.7
1966	41	30.7
1967	37	30.7
1968	24	30.7
1969	22	30.7
1970	29	22.3
1971	17	22.3
1972	23	22.3
1973	16	22.3
1974	28	22.3
1975	16	22.3
1976	17	22.3
1977	30	22.3
1978	23	22.3
1979	24	22.3
1980	20	25.9
1981	24	25.9
1982	24	25.9
1983	33	25.9
1984	28	25.9
1985	24	25.9
1986	27	25.9
1987	20	25.9
1988	38	25.9
1989	21	25.9
1990	32	23.3
1991	13	23.3
1992	28	23.3
1993	12	23.3
1994	20	23.3
1995	28	23.3
1996	19	23.3
1997	25	23.3
1998	26	23.3
1999	30	23.3
2000	50	28.8
2001	28	28.8
2002	22	28.8
2003	25	28.8
2004	31	28.8
2005	27	28.8
2006	29	28.8
2007	20	28.8
2008	27	28.8
2009	29	28.8
2010	16	25.8
2011	32	25.8
2012	23	25.8
2013	33	25.8
2014	25	25.8
2015	28	25.8
2016	19	25.8
2017	27	25.8
2018	26	25.8
2019	29	25.8
2020	34	27.7
2021	22	27.7
2022	21	27.7
2023	37	27.7
2024	43	27.7
2025	25	27.7
2026	12	27.7

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

First to last qualifying date each year at Rjukan
Year	First date	Last date
1900	1900-04-02	1900-11-26
1901	1901-04-02	1901-12-24
1902	1902-05-12	1902-12-24
1903	1903-03-01	1903-12-08
1904	1904-03-28	1904-11-22
1905	1905-03-14	1905-11-05
1906	1906-03-10	1906-12-24
1907	1907-02-18	1907-12-10
1908	1908-01-05	1908-12-16
1909	1909-01-14	1909-12-23
1910	1910-01-09	1910-12-31
1911	1911-01-26	1911-12-27
1912	1912-04-07	1912-12-23
1913	1913-03-04	1913-11-19
1914	1914-02-14	1914-12-31
1915	1915-01-01	1915-12-31
1916	1916-01-11	1916-12-28
1917	1917-03-11	1917-11-22
1918	1918-04-17	1918-12-11
1919	1919-01-01	1919-12-30
1920	1920-01-10	1920-12-21
1921	1921-01-20	1921-12-19
1922	1922-01-08	1922-12-29
1923	1923-01-09	1923-11-16
1924	1924-01-10	1924-12-26
1925	1925-01-01	1925-11-02
1926	1926-01-23	1926-11-21
1927	1927-01-13	1927-10-27
1928	1928-02-08	1928-11-22
1929	1929-05-05	1929-12-29
1930	1930-01-15	1930-11-26
1931	1931-01-23	1931-11-19
1932	1932-05-06	1932-12-17
1933	1933-06-17	1933-10-27
1934	1934-01-12	1934-12-27
1935	1935-01-12	1935-12-26
1936	1936-01-01	1936-12-18
1937	1937-01-23	1937-12-12
1938	1938-01-13	1938-12-26
1939	1939-01-12	1939-12-02
1940	1940-03-19	1940-11-18
1941	1941-03-02	1941-12-14
1942	1942-05-06	1942-11-07
1943	1943-01-30	1943-12-19
1944	1944-01-13	1944-12-08
1945	1945-02-07	1945-12-18
1946	1946-02-02	1946-11-25
1947	1947-03-23	1947-11-23
1948	1948-01-05	1948-12-31
1949	1949-01-01	1949-11-23
1950	1950-02-03	1950-12-16
1951	1951-01-11	1951-12-28
1952	1952-01-15	1952-11-24
1953	1953-04-02	1953-12-15
1954	1954-03-04	1954-12-21
1955	1955-02-02	1955-12-28
1956	1956-01-10	1956-10-17
1957	1957-01-04	1957-12-20
1958	1958-01-05	1958-12-20
1959	1959-01-01	1959-12-27
1960	1960-01-24	1960-12-26
1961	1961-01-03	1961-12-30
1962	1962-01-11	1962-12-11
1963	1963-04-14	1963-11-25
1964	1964-05-07	1964-12-30
1965	1965-01-10	1965-12-25
1966	1966-01-01	1966-12-31
1967	1967-01-30	1967-12-23
1968	1968-02-06	1968-11-23
1969	1969-01-18	1969-11-15
1970	1970-01-12	1970-11-23
1971	1971-01-23	1971-12-19
1972	1972-02-12	1972-12-06
1973	1973-02-06	1973-12-20
1974	1974-01-13	1974-12-16
1975	1975-01-05	1975-12-30
1976	1976-01-04	1976-12-08
1977	1977-01-15	1977-12-27
1978	1978-01-28	1978-11-15
1979	1979-01-11	1979-12-04
1980	1980-02-09	1980-10-27
1981	1981-03-21	1981-12-23
1982	1982-03-16	1982-12-08
1983	1983-01-08	1983-12-31
1984	1984-01-01	1984-12-24
1985	1985-01-21	1985-12-16
1986	1986-01-10	1986-12-18
1987	1987-01-04	1987-11-12
1988	1988-01-14	1988-11-28
1989	1989-01-14	1989-12-22
1990	1990-01-14	1990-12-26
1991	1991-03-06	1991-12-19
1992	1992-01-02	1992-12-18
1993	1993-01-09	1993-10-09
1994	1994-03-30	1994-12-18
1995	1995-01-18	1995-10-25
1996	1996-02-25	1996-12-04
1997	1997-02-17	1997-12-10
1998	1998-01-03	1998-11-10
1999	1999-01-02	1999-12-24
2000	2000-04-03	2000-12-12
2001	2001-01-01	2001-12-01
2002	2002-01-30	2002-12-28
2003	2003-01-19	2003-12-26
2004	2004-01-11	2004-11-04
2005	2005-01-06	2005-12-10
2006	2006-01-17	2006-12-30
2007	2007-01-09	2007-12-01
2008	2008-01-07	2008-11-29
2009	2009-01-18	2009-12-25
2010	2010-05-15	2010-10-29
2011	2011-01-05	2011-12-13
2012	2012-04-22	2012-12-29
2013	2013-04-14	2013-12-24
2014	2014-01-02	2014-11-23
2015	2015-01-15	2015-12-05
2016	2016-02-08	2016-11-22
2017	2017-02-27	2017-12-31
2018	2018-01-03	2018-12-07
2019	2019-03-12	2019-12-10
2020	2020-02-09	2020-12-29
2021	2021-01-20	2021-11-29
2022	2022-02-13	2022-12-30
2023	2023-01-07	2023-12-28
2024	2024-01-21	2024-12-15
2025	2025-01-06	2025-11-13
2026	2026-01-13	2026-08-29

Every Fixed Threshold

Fixed thresholds at Rjukan
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	127	50	2000	12
25 mm (0.98 in): Days with 25 mm or more rain	126	10	2020	2
50 mm (1.97 in): Days with 50 mm or more rain	36	4	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1927	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

Data for Rjukan 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).

Rjukan Threshold Days by Year (NOE00110375)

Key Facts for Rjukan Thresholds

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

Every Fixed Threshold

Download the Data

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