Bochum Threshold Days by Year (SF007212570)

5 fixed thresholds counted per year at Bochum (SF007212570): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bochum Thresholds

Bochum: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1930 with 20.
Bochum: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1940 with 12.
Bochum: days with 50 mm (1.97 in) or more of precipitation in 34 years, most in 1940 with 5.
Bochum: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1930 with 1.
5 fixed thresholds have at least one qualifying day at Bochum.

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

65 years with a qualifying day

Days per year at Bochum with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1930.

Days with 10 mm (0.39 in) or more of precipitation per year at Bochum
Year	Days	Decade average
1929	12	12
1930	20	12.8
1931	15	12.8
1932	13	12.8
1933	17	12.8
1934	12	12.8
1935	4	12.8
1936	15	12.8
1937	13	12.8
1938	7	12.8
1939	12	12.8
1940	20	13.1
1941	16	13.1
1942	13	13.1
1943	17	13.1
1944	10	13.1
1945	4	13.1
1946	15	13.1
1947	9	13.1
1948	14	13.1
1949	13	13.1
1950	15	13.8
1951	14	13.8
1952	9	13.8
1953	12	13.8
1954	11	13.8
1955	20	13.8
1956	16	13.8
1957	18	13.8
1958	12	13.8
1959	11	13.8
1960	13	12.2
1961	12	12.2
1962	14	12.2
1963	16	12.2
1964	15	12.2
1965	7	12.2
1966	7	12.2
1967	12	12.2
1968	9	12.2
1969	17	12.2
1970	10	14
1971	11	14
1972	18	14
1973	16	14
1974	13	14
1975	20	14
1976	16	14
1977	16	14
1978	9	14
1979	11	14
1980	12	10.2
1981	13	10.2
1982	6	10.2
1983	7	10.2
1984	6	10.2
1985	9	10.2
1986	15	10.2
1987	10	10.2
1988	12	10.2
1989	12	10.2
1990	13	11.8
1991	11	11.8
1993	4	11.8
1995	19	11.8

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

First to last qualifying date each year at Bochum
Year	First date	Last date
1929	1929-01-19	1929-12-19
1930	1930-01-17	1930-12-31
1931	1931-01-17	1931-12-03
1932	1932-01-28	1932-12-17
1933	1933-01-16	1933-12-15
1934	1934-01-02	1934-12-29
1935	1935-01-30	1935-03-20
1936	1936-01-17	1936-12-30
1937	1937-01-07	1937-12-20
1938	1938-02-08	1938-09-16
1939	1939-01-01	1939-09-16
1940	1940-01-30	1940-12-31
1941	1941-02-07	1941-12-21
1942	1942-01-05	1942-12-04
1943	1943-01-01	1943-12-25
1944	1944-01-07	1944-12-27
1945	1945-02-03	1945-12-05
1946	1946-01-04	1946-12-08
1947	1947-02-13	1947-11-23
1948	1948-01-31	1948-12-18
1949	1949-01-23	1949-12-31
1950	1950-01-10	1950-12-22
1951	1951-03-21	1951-12-02
1952	1952-02-02	1952-12-31
1953	1953-02-03	1953-12-20
1954	1954-01-01	1954-12-08
1955	1955-01-02	1955-12-28
1956	1956-02-14	1956-12-22
1957	1957-01-09	1957-12-13
1958	1958-01-03	1958-12-23
1959	1959-02-09	1959-12-06
1960	1960-01-19	1960-12-20
1961	1961-01-07	1961-12-01
1962	1962-01-09	1962-12-24
1963	1963-02-09	1963-12-29
1964	1964-01-10	1964-12-28
1965	1965-01-08	1965-12-29
1966	1966-01-27	1966-12-18
1967	1967-01-02	1967-11-17
1968	1968-01-18	1968-12-27
1969	1969-01-15	1969-12-10
1970	1970-06-26	1970-12-30
1971	1971-02-04	1971-12-12
1972	1972-01-02	1972-12-12
1973	1973-01-03	1973-12-20
1974	1974-01-21	1974-12-13
1975	1975-01-23	1975-12-31
1976	1976-01-31	1976-12-26
1977	1977-01-26	1977-12-31
1978	1978-01-04	1978-11-05
1979	1979-01-19	1979-12-27
1980	1980-01-02	1980-12-14
1981	1981-01-01	1981-11-29
1982	1982-01-10	1982-11-29
1983	1983-02-13	1983-12-18
1984	1984-01-05	1984-11-29
1985	1985-02-07	1985-12-26
1986	1986-01-05	1986-12-29
1987	1987-01-11	1987-12-20
1988	1988-01-07	1988-12-04
1989	1989-02-14	1989-12-14
1990	1990-01-21	1990-12-16
1991	1991-01-08	1991-12-16
1993	1993-01-03	1993-03-22
1995	1995-01-24	1995-12-24

Every Fixed Threshold

Fixed thresholds at Bochum
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	65	20	1930	19
25 mm (0.98 in): Days with 25 mm or more rain	64	12	1940	5
50 mm (1.97 in): Days with 50 mm or more rain	34	5	1940	1
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1930	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

Data for Bochum 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).

Bochum Threshold Days by Year (SF007212570)

Key Facts for Bochum Thresholds

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

Every Fixed Threshold

Download the Data

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