Sterkfontein Threshold Days by Year (SF006315960)

4 fixed thresholds counted per year at Sterkfontein (SF006315960): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sterkfontein Thresholds

Sterkfontein: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1944 with 37.
Sterkfontein: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1936 with 14.
Sterkfontein: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1940 with 5.
Sterkfontein: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1967 with 2.
4 fixed thresholds have at least one qualifying day at Sterkfontein.

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

58 years with a qualifying day

Days per year at Sterkfontein with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1944.

Days with 10 mm (0.39 in) or more of precipitation per year at Sterkfontein
Year	Days	Decade average
1922	22	23.4
1923	21	23.4
1924	30	23.4
1925	27	23.4
1926	24	23.4
1927	22	23.4
1928	20	23.4
1929	21	23.4
1930	25	23
1931	29	23
1932	14	23
1933	26	23
1934	19	23
1935	16	23
1936	27	23
1937	24	23
1938	18	23
1939	32	23
1940	24	25.1
1941	15	25.1
1942	27	25.1
1943	30	25.1
1944	37	25.1
1945	17	25.1
1946	29	25.1
1947	24	25.1
1948	23	25.1
1949	25	25.1
1950	14	24.9
1951	25	24.9
1952	22	24.9
1953	23	24.9
1954	32	24.9
1955	33	24.9
1956	28	24.9
1957	21	24.9
1958	29	24.9
1959	22	24.9
1960	23	20.9
1961	17	20.9
1962	17	20.9
1963	22	20.9
1964	19	20.9
1965	12	20.9
1966	20	20.9
1967	31	20.9
1968	22	20.9
1969	26	20.9
1970	21	28.6
1971	35	28.6
1972	25	28.6
1973	26	28.6
1974	31	28.6
1975	36	28.6
1976	28	28.6
1977	37	28.6
1978	26	28.6
1979	21	28.6

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

First to last qualifying date each year at Sterkfontein
Year	First date	Last date
1922	1922-01-06	1922-12-27
1923	1923-01-01	1923-12-28
1924	1924-01-19	1924-12-25
1925	1925-01-05	1925-11-27
1926	1926-01-03	1926-12-21
1927	1927-01-04	1927-12-22
1928	1928-01-07	1928-12-22
1929	1929-01-16	1929-12-19
1930	1930-01-01	1930-12-19
1931	1931-01-01	1931-12-31
1932	1932-01-15	1932-12-05
1933	1933-01-06	1933-12-31
1934	1934-01-04	1934-12-09
1935	1935-01-19	1935-12-17
1936	1936-01-11	1936-12-29
1937	1937-02-07	1937-12-31
1938	1938-01-12	1938-12-30
1939	1939-01-01	1939-12-13
1940	1940-01-06	1940-12-28
1941	1941-01-14	1941-12-09
1942	1942-01-07	1942-12-24
1943	1943-01-05	1943-12-28
1944	1944-01-03	1944-11-28
1945	1945-01-08	1945-12-30
1946	1946-01-02	1946-12-23
1947	1947-01-02	1947-12-28
1948	1948-01-01	1948-12-31
1949	1949-01-05	1949-12-29
1950	1950-01-08	1950-12-27
1951	1951-01-13	1951-12-14
1952	1952-01-02	1952-12-31
1953	1953-02-01	1953-12-04
1954	1954-01-04	1954-12-30
1955	1955-01-02	1955-12-31
1956	1956-01-13	1956-12-22
1957	1957-01-11	1957-12-18
1958	1958-01-04	1958-12-24
1959	1959-01-07	1959-12-11
1960	1960-01-24	1960-12-30
1961	1961-01-08	1961-12-26
1962	1962-01-09	1962-12-29
1963	1963-01-11	1963-12-30
1964	1964-01-06	1964-12-20
1965	1965-01-17	1965-12-21
1966	1966-01-20	1966-12-18
1967	1967-01-05	1967-12-24
1968	1968-01-06	1968-12-30
1969	1969-01-16	1969-12-22
1970	1970-01-02	1970-12-29
1971	1971-01-03	1971-12-20
1972	1972-01-02	1972-12-23
1973	1973-01-02	1973-12-24
1974	1974-01-01	1974-12-19
1975	1975-01-12	1975-12-26
1976	1976-01-07	1976-12-30
1977	1977-01-20	1977-12-31
1978	1978-01-01	1978-12-22
1979	1979-01-19	1979-12-04

Every Fixed Threshold

Fixed thresholds at Sterkfontein
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	58	37	1944	21
25 mm (0.98 in): Days with 25 mm or more rain	58	14	1936	8
50 mm (1.97 in): Days with 50 mm or more rain	42	5	1940	3
100 mm (3.94 in): Days with 100 mm or more rain	5	2	1967	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

Data for Sterkfontein 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).

Sterkfontein Threshold Days by Year (SF006315960)

Key Facts for Sterkfontein Thresholds

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

Every Fixed Threshold

Download the Data

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