Arnsberg Threshold Days by Year (GME00123154)

11 fixed thresholds counted per year at Arnsberg (GME00123154): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Arnsberg Thresholds

Arnsberg: days with 10 mm (0.39 in) or more of precipitation in 114 years, most in 1956 with 49.
Arnsberg: nights with a minimum temperature at or below 0 C (32 F) in 113 years, most in 1895 with 122.
Arnsberg: days with a maximum temperature at or below 0 C (32 F) in 111 years, most in 1963 with 47.
Arnsberg: days with 25 mm (0.98 in) or more of precipitation in 104 years, most in 1926 with 8.
11 fixed thresholds have at least one qualifying day at Arnsberg.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Arnsberg with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 32 in 1947.

Days at or above 30 C (86 F) per year at Arnsberg
Year	Days	Decade average
1881	5	2.6
1883	2	2.6
1884	2	2.6
1886	2	2.6
1887	2	2.6
1892	10	3.9
1893	4	3.9
1894	2	3.9
1895	2	3.9
1897	1	3.9
1898	4	3.9
1899	4	3.9
1900	5	2.4
1901	2	2.4
1902	2	2.4
1904	5	2.4
1905	2	2.4
1907	1	2.4
1908	1	2.4
1909	1	2.4
1911	18	4.9
1912	3	4.9
1914	1	4.9
1915	2	4.9
1917	4	4.9
1918	2	4.9
1919	4	4.9
1920	1	4.6
1921	8	4.6
1922	4	4.6
1923	9	4.6
1924	2	4.6
1925	7	4.6
1927	1	4.6
1928	3	4.6
1929	6	4.6
1930	5	3.3
1931	3	3.3
1932	3	3.3
1933	2	3.3
1934	1	3.3
1935	2	3.3
1936	3	3.3
1937	7	3.3
1938	4	3.3
1941	11	11.7
1943	7	11.7
1944	5	11.7
1947	32	11.7
1948	11	11.7
1949	4	11.7
1950	3	3.8
1951	3	3.8
1952	6	3.8
1953	3	3.8
1955	1	3.8
1957	9	3.8
1958	1	3.8
1959	4	3.8
1961	3	3.9
1963	2	3.9
1964	7	3.9
1966	3	3.9
1967	4	3.9
1968	3	3.9
1969	5	3.9
1970	2	5.7
1971	5	5.7
1972	4	5.7
1973	10	5.7
1974	1	5.7
1975	10	5.7
1976	22	5.7
1977	1	5.7
1978	1	5.7
1979	1	5.7
1981	4	4.1
1982	5	4.1
1983	7	4.1
1984	5	4.1
1985	3	4.1
1986	5	4.1
1987	1	4.1
1989	3	4.1
1990	7	6.1
1991	6	6.1
1992	3	6.1
1994	15	6.1
1995	7	6.1
1996	3	6.1
1997	2	6.1

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

First to last qualifying date each year at Arnsberg
Year	First date	Last date
1881	1881-07-06	1881-07-20
1883	1883-07-03	1883-07-04
1884	1884-07-13	1884-07-16
1886	1886-05-23	1886-07-19
1887	1887-07-04	1887-07-30
1892	1892-05-26	1892-08-24
1893	1893-06-19	1893-08-19
1894	1894-07-24	1894-07-25
1895	1895-07-26	1895-09-03
1897	1897-06-29	1897-06-29
1898	1898-08-15	1898-08-22
1899	1899-07-21	1899-08-06
1900	1900-07-16	1900-07-26
1901	1901-06-23	1901-07-13
1902	1902-06-01	1902-06-03
1904	1904-05-17	1904-08-04
1905	1905-06-30	1905-07-01
1907	1907-08-05	1907-08-05
1908	1908-07-12	1908-07-12
1909	1909-06-02	1909-06-02
1911	1911-07-22	1911-09-03
1912	1912-07-12	1912-07-14
1914	1914-07-02	1914-07-02
1915	1915-06-08	1915-06-09
1917	1917-06-16	1917-06-19
1918	1918-07-17	1918-08-22
1919	1919-06-12	1919-09-13
1920	1920-07-17	1920-07-17
1921	1921-07-11	1921-08-02
1922	1922-05-22	1922-05-25
1923	1923-07-07	1923-07-15
1924	1924-07-12	1924-07-13
1925	1925-05-17	1925-08-10
1927	1927-06-17	1927-06-17
1928	1928-07-13	1928-07-27
1929	1929-07-17	1929-09-04
1930	1930-06-12	1930-08-28
1931	1931-05-26	1931-08-05
1932	1932-08-12	1932-08-20
1933	1933-07-27	1933-08-07
1934	1934-07-31	1934-07-31
1935	1935-06-25	1935-06-26
1936	1936-06-19	1936-06-21
1937	1937-06-06	1937-08-08
1938	1938-07-31	1938-08-06
1941	1941-06-22	1941-07-13
1943	1943-07-31	1943-08-21
1944	1944-05-30	1944-08-24
1947	1947-05-31	1947-09-20
1948	1948-06-09	1948-08-01
1949	1949-07-13	1949-09-05
1950	1950-06-07	1950-08-23
1951	1951-07-11	1951-08-30
1952	1952-07-01	1952-08-12
1953	1953-08-13	1953-09-02
1955	1955-07-18	1955-07-18
1957	1957-06-18	1957-07-07
1958	1958-08-30	1958-08-30
1959	1959-07-08	1959-07-11
1961	1961-07-01	1961-08-30
1963	1963-08-02	1963-08-03
1964	1964-06-13	1964-08-28
1966	1966-06-17	1966-08-13
1967	1967-06-25	1967-07-19
1968	1968-04-21	1968-07-02
1969	1969-05-13	1969-07-29
1970	1970-06-27	1970-07-08
1971	1971-07-08	1971-08-19
1972	1972-07-18	1972-07-21
1973	1973-06-27	1973-09-06
1974	1974-08-16	1974-08-16
1975	1975-07-08	1975-08-10
1976	1976-05-08	1976-08-25
1977	1977-06-13	1977-06-13
1978	1978-07-30	1978-07-30
1979	1979-06-03	1979-06-03
1981	1981-06-02	1981-08-06
1982	1982-06-02	1982-08-02
1983	1983-07-10	1983-08-20
1984	1984-07-09	1984-07-31
1985	1985-05-26	1985-08-14
1986	1986-06-16	1986-08-03
1987	1987-06-30	1987-06-30
1989	1989-07-06	1989-07-22
1990	1990-07-28	1990-08-13
1991	1991-07-06	1991-08-22
1992	1992-07-21	1992-08-09
1994	1994-06-25	1994-08-05
1995	1995-07-09	1995-08-12
1996	1996-06-06	1996-06-08
1997	1997-08-13	1997-08-25

Every Fixed Threshold

Fixed thresholds at Arnsberg
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	32	1947	2
35 C (95 F): Days	7	3	1976	1
90 F (32.2 C): Days	40	14	1947	1
0 C (32 F): Ice days (max	111	47	1963	13
0 C (32 F): Frost days (min	113	122	1895	74
-10 C (14 F): Days with min	102	34	1963	9
-20 C (-4 F): Days with min	16	5	1956	2
20 C (68 F): Tropical nights (min	6	2	1952	1
10 mm (0.39 in): Days with 10 mm or more rain	114	49	1956	19
25 mm (0.98 in): Days with 25 mm or more rain	104	8	1926	1
50 mm (1.97 in): Days with 50 mm or more rain	21	2	1909	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1881.

Download the Data

Data for Arnsberg 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Arnsberg Threshold Days by Year (GME00123154)

Key Facts for Arnsberg Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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