Roodekop Threshold Days by Year (SF004736860)

4 fixed thresholds counted per year at Roodekop (SF004736860): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Roodekop Thresholds

Roodekop: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1976 with 35.
Roodekop: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1976 with 15.
Roodekop: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1907 with 3.
Roodekop: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1953 with 1.
4 fixed thresholds have at least one qualifying day at Roodekop.

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

68 years with a qualifying day

Days per year at Roodekop with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Roodekop
Year	Days	Decade average
1905	14	21.8
1906	22	21.8
1907	27	21.8
1908	14	21.8
1909	32	21.8
1910	18	22.4
1911	19	22.4
1912	21	22.4
1913	22	22.4
1914	18	22.4
1915	24	22.4
1917	31	22.4
1918	26	22.4
1923	17	19.3
1924	22	19.3
1925	24	19.3
1926	13	19.3
1927	11	19.3
1928	21	19.3
1929	27	19.3
1930	17	18.6
1931	14	18.6
1932	14	18.6
1933	12	18.6
1934	24	18.6
1935	12	18.6
1936	21	18.6
1937	21	18.6
1938	20	18.6
1939	31	18.6
1940	21	20.9
1941	17	20.9
1942	18	20.9
1943	24	20.9
1944	31	20.9
1945	14	20.9
1946	17	20.9
1947	21	20.9
1948	21	20.9
1949	25	20.9
1950	22	22.8
1951	18	22.8
1952	27	22.8
1953	22	22.8
1954	20	22.8
1955	24	22.8
1956	23	22.8
1957	28	22.8
1958	23	22.8
1959	21	22.8
1960	25	22.2
1961	23	22.2
1962	25	22.2
1963	21	22.2
1964	23	22.2
1965	16	22.2
1966	18	22.2
1967	28	22.2
1968	26	22.2
1969	17	22.2
1970	17	24
1971	32	24
1972	12	24
1973	26	24
1974	28	24
1975	23	24
1976	35	24
1977	19	24

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

First to last qualifying date each year at Roodekop
Year	First date	Last date
1905	1905-01-01	1905-12-14
1906	1906-01-04	1906-12-31
1907	1907-01-07	1907-12-16
1908	1908-02-05	1908-12-16
1909	1909-01-06	1909-12-26
1910	1910-01-16	1910-12-27
1911	1911-01-09	1911-12-07
1912	1912-01-03	1912-12-30
1913	1913-01-29	1913-12-13
1914	1914-01-20	1914-12-26
1915	1915-01-04	1915-12-07
1917	1917-01-05	1917-12-30
1918	1918-01-07	1918-12-31
1923	1923-01-01	1923-12-19
1924	1924-01-07	1924-12-29
1925	1925-01-04	1925-12-26
1926	1926-01-09	1926-12-20
1927	1927-03-01	1927-10-28
1928	1928-01-05	1928-12-28
1929	1929-01-07	1929-12-29
1930	1930-01-04	1930-12-30
1931	1931-01-01	1931-12-25
1932	1932-01-19	1932-12-26
1933	1933-01-16	1933-12-29
1934	1934-01-10	1934-12-25
1935	1935-01-10	1935-12-31
1936	1936-01-12	1936-12-31
1937	1937-01-03	1937-12-30
1938	1938-01-08	1938-12-29
1939	1939-01-14	1939-12-27
1940	1940-01-05	1940-12-26
1941	1941-01-19	1941-12-20
1942	1942-01-09	1942-12-17
1943	1943-01-04	1943-12-23
1944	1944-01-03	1944-12-14
1945	1945-01-18	1945-12-28
1946	1946-02-03	1946-12-22
1947	1947-01-11	1947-12-30
1948	1948-01-10	1948-11-29
1949	1949-01-22	1949-12-31
1950	1950-01-03	1950-12-31
1951	1951-01-02	1951-12-24
1952	1952-01-13	1952-12-16
1953	1953-01-03	1953-12-27
1954	1954-01-02	1954-12-26
1955	1955-01-03	1955-12-13
1956	1956-01-02	1956-12-22
1957	1957-01-11	1957-12-03
1958	1958-01-17	1958-12-22
1959	1959-01-23	1959-12-12
1960	1960-01-19	1960-12-26
1961	1961-01-17	1961-12-20
1962	1962-01-20	1962-12-17
1963	1963-01-08	1963-12-19
1964	1964-01-06	1964-12-29
1965	1965-01-07	1965-12-26
1966	1966-01-07	1966-12-10
1967	1967-01-03	1967-12-28
1968	1968-01-06	1968-12-20
1969	1969-01-28	1969-12-24
1970	1970-01-20	1970-12-28
1971	1971-01-03	1971-12-23
1972	1972-01-04	1972-12-31
1973	1973-01-01	1973-12-23
1974	1974-01-01	1974-12-27
1975	1975-01-08	1975-12-26
1976	1976-01-01	1976-12-24
1977	1977-01-10	1977-12-13

Every Fixed Threshold

Fixed thresholds at Roodekop
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	68	35	1976	19
25 mm (0.98 in): Days with 25 mm or more rain	68	15	1976	7
50 mm (1.97 in): Days with 50 mm or more rain	39	3	1907	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1953	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

Data for Roodekop 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).

Roodekop Threshold Days by Year (SF004736860)

Key Facts for Roodekop Thresholds

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

Every Fixed Threshold

Download the Data

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