Colesberg (Tnk) Threshold Days by Year (SF001721630)

4 fixed thresholds counted per year at Colesberg (Tnk) (SF001721630): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Colesberg (Tnk) Thresholds

Colesberg (Tnk): days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 1976 with 28.
Colesberg (Tnk): days with 25 mm (0.98 in) or more of precipitation in 110 years, most in 1974 with 11.
Colesberg (Tnk): days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1924 with 3.
Colesberg (Tnk): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1992 with 1.
4 fixed thresholds have at least one qualifying day at Colesberg (Tnk).

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

115 years with a qualifying day

Days per year at Colesberg (Tnk) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Colesberg (Tnk)
Year	Days	Decade average
1879	6	6
1880	12	12.8
1881	11	12.8
1882	12	12.8
1883	8	12.8
1884	11	12.8
1885	14	12.8
1886	12	12.8
1888	16	12.8
1889	19	12.8
1890	19	16.5
1891	23	16.5
1892	20	16.5
1893	15	16.5
1894	27	16.5
1895	17	16.5
1896	6	16.5
1897	7	16.5
1898	17	16.5
1899	14	16.5
1900	9	12.3
1901	20	12.3
1902	10	12.3
1903	4	12.3
1904	8	12.3
1905	13	12.3
1906	8	12.3
1907	20	12.3
1908	9	12.3
1909	22	12.3
1910	14	13.5
1911	22	13.5
1912	10	13.5
1913	14	13.5
1914	12	13.5
1915	10	13.5
1916	13	13.5
1917	15	13.5
1918	17	13.5
1919	8	13.5
1920	14	13.1
1922	9	13.1
1924	16	13.1
1926	12	13.1
1927	8	13.1
1928	13	13.1
1929	20	13.1
1930	14	12.2
1931	12	12.2
1932	7	12.2
1933	9	12.2
1934	19	12.2
1935	13	12.2
1936	10	12.2
1937	9	12.2
1938	11	12.2
1939	18	12.2
1940	16	13.1
1941	13	13.1
1942	18	13.1
1943	14	13.1
1944	10	13.1
1945	8	13.1
1946	16	13.1
1947	12	13.1
1948	17	13.1
1949	7	13.1
1950	25	15.9
1951	7	15.9
1952	16	15.9
1953	18	15.9
1954	8	15.9
1955	15	15.9
1956	18	15.9
1957	19	15.9
1958	23	15.9
1959	10	15.9
1960	13	12.2
1961	18	12.2
1962	10	12.2
1963	14	12.2
1964	6	12.2
1965	10	12.2
1966	6	12.2
1967	20	12.2
1968	11	12.2
1969	14	12.2
1970	11	15.6
1971	19	15.6
1972	12	15.6
1973	8	15.6
1974	26	15.6
1975	12	15.6
1976	28	15.6
1977	13	15.6
1978	15	15.6
1979	12	15.6
1980	6	11.6
1981	21	11.6
1982	12	11.6
1983	7	11.6
1984	12	11.6
1985	13	11.6
1986	6	11.6
1987	12	11.6
1988	18	11.6
1989	9	11.6
1990	8	13
1991	23	13
1992	11	13
1993	12	13
1994	10	13
1995	13	13
1996	17	13
1997	10	13

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

First to last qualifying date each year at Colesberg (Tnk)
Year	First date	Last date
1879	1879-01-08	1879-09-25
1880	1880-01-06	1880-10-10
1881	1881-01-29	1881-12-29
1882	1882-02-04	1882-12-28
1883	1883-01-27	1883-11-29
1884	1884-01-20	1884-06-01
1885	1885-02-15	1885-12-02
1886	1886-01-17	1886-12-20
1888	1888-02-09	1888-12-17
1889	1889-01-04	1889-12-20
1890	1890-01-08	1890-12-27
1891	1891-01-20	1891-12-13
1892	1892-01-20	1892-11-26
1893	1893-01-13	1893-11-30
1894	1894-01-11	1894-12-14
1895	1895-01-23	1895-12-28
1896	1896-04-09	1896-12-29
1897	1897-01-12	1897-08-29
1898	1898-01-02	1898-12-06
1899	1899-02-26	1899-12-11
1900	1900-01-31	1900-12-19
1901	1901-02-05	1901-11-02
1902	1902-02-11	1902-11-25
1903	1903-03-31	1903-12-11
1904	1904-01-10	1904-10-26
1905	1905-01-01	1905-12-13
1906	1906-01-17	1906-12-12
1907	1907-01-06	1907-12-15
1908	1908-01-07	1908-11-11
1909	1909-01-02	1909-12-26
1910	1910-01-17	1910-11-21
1911	1911-01-06	1911-11-05
1912	1912-01-13	1912-12-30
1913	1913-01-06	1913-11-21
1914	1914-01-19	1914-12-03
1915	1915-01-14	1915-12-28
1916	1916-01-19	1916-12-18
1917	1917-01-25	1917-11-29
1918	1918-01-01	1918-10-29
1919	1919-03-01	1919-11-02
1920	1920-01-29	1920-03-22
1922	1922-01-11	1922-12-18
1924	1924-01-25	1924-12-08
1926	1926-03-06	1926-12-13
1927	1927-02-14	1927-12-04
1928	1928-01-04	1928-11-23
1929	1929-01-18	1929-12-19
1930	1930-01-16	1930-12-29
1931	1931-01-30	1931-12-31
1932	1932-02-08	1932-09-18
1933	1933-01-02	1933-12-30
1934	1934-01-02	1934-12-20
1935	1935-01-14	1935-12-15
1936	1936-02-12	1936-12-10
1937	1937-01-23	1937-12-16
1938	1938-01-28	1938-11-08
1939	1939-01-17	1939-11-04
1940	1940-02-15	1940-11-09
1941	1941-01-25	1941-10-29
1942	1942-01-28	1942-12-20
1943	1943-01-15	1943-11-30
1944	1944-01-04	1944-10-27
1945	1945-01-06	1945-12-29
1946	1946-01-26	1946-12-19
1947	1947-02-08	1947-12-04
1948	1948-01-22	1948-12-14
1949	1949-01-12	1949-12-10
1950	1950-01-08	1950-12-25
1951	1951-01-01	1951-10-03
1952	1952-01-30	1952-12-15
1953	1953-01-13	1953-12-21
1954	1954-03-06	1954-12-14
1955	1955-01-30	1955-12-18
1956	1956-01-09	1956-12-07
1957	1957-01-29	1957-12-30
1958	1958-01-02	1958-12-27
1959	1959-01-25	1959-12-06
1960	1960-01-01	1960-12-18
1961	1961-01-02	1961-12-16
1962	1962-01-19	1962-11-20
1963	1963-01-06	1963-12-08
1964	1964-03-31	1964-12-27
1965	1965-01-14	1965-11-15
1966	1966-02-08	1966-12-31
1967	1967-01-27	1967-11-30
1968	1968-03-05	1968-12-07
1969	1969-02-22	1969-10-21
1970	1970-01-17	1970-12-20
1971	1971-01-10	1971-11-19
1972	1972-01-09	1972-10-14
1973	1973-02-17	1973-12-03
1974	1974-01-15	1974-11-08
1975	1975-01-22	1975-12-17
1976	1976-01-03	1976-11-04
1977	1977-01-21	1977-12-30
1978	1978-01-08	1978-12-09
1979	1979-01-27	1979-11-20
1980	1980-02-03	1980-12-13
1981	1981-01-25	1981-12-22
1982	1982-01-29	1982-11-16
1983	1983-03-28	1983-12-31
1984	1984-03-23	1984-11-28
1985	1985-01-16	1985-12-18
1986	1986-01-19	1986-11-21
1987	1987-02-11	1987-12-22
1988	1988-02-17	1988-12-31
1989	1989-01-01	1989-11-15
1990	1990-02-13	1990-12-05
1991	1991-01-20	1991-12-19
1992	1992-02-27	1992-11-01
1993	1993-01-26	1993-12-29
1994	1994-01-09	1994-11-03
1995	1995-01-13	1995-12-17
1996	1996-01-06	1996-12-28
1997	1997-01-06	1997-10-14

Every Fixed Threshold

Fixed thresholds at Colesberg (Tnk)
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	115	28	1976	10
25 mm (0.98 in): Days with 25 mm or more rain	110	11	1974	3
50 mm (1.97 in): Days with 50 mm or more rain	33	3	1924	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1992	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1879.

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Data for Colesberg (Tnk) 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).

Colesberg (Tnk) Threshold Days by Year (SF001721630)

Key Facts for Colesberg (Tnk) Thresholds

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

Every Fixed Threshold

Download the Data

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