Wonderfontein (Skl) Threshold Days by Year

3 fixed thresholds counted per year at Wonderfontein (Skl) (SF005167080): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wonderfontein (Skl) Thresholds

Wonderfontein (Skl): days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1918 with 42.
Wonderfontein (Skl): days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1939 with 15.
Wonderfontein (Skl): days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1955 with 5.
3 fixed thresholds have at least one qualifying day at Wonderfontein (Skl).

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

65 years with a qualifying day

Days per year at Wonderfontein (Skl) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 42 in 1918.

Days with 10 mm (0.39 in) or more of precipitation per year at Wonderfontein (Skl)
Year	Days	Decade average
1909	31	31
1911	28	27.4
1912	23	27.4
1914	20	27.4
1915	26	27.4
1916	23	27.4
1917	30	27.4
1918	42	27.4
1920	29	25.4
1921	28	25.4
1922	30	25.4
1923	20	25.4
1924	26	25.4
1925	25	25.4
1926	20	25.4
1927	25	25.4
1928	19	25.4
1929	32	25.4
1930	26	25.6
1931	20	25.6
1932	23	25.6
1933	22	25.6
1934	31	25.6
1935	13	25.6
1936	23	25.6
1937	29	25.6
1938	30	25.6
1939	39	25.6
1940	20	24.8
1941	21	24.8
1942	25	24.8
1943	32	24.8
1944	27	24.8
1945	15	24.8
1946	31	24.8
1947	27	24.8
1948	20	24.8
1949	30	24.8
1950	22	24.9
1951	34	24.9
1952	24	24.9
1953	19	24.9
1954	28	24.9
1955	31	24.9
1956	16	24.9
1957	28	24.9
1958	20	24.9
1959	27	24.9
1960	31	26.1
1962	25	26.1
1964	25	26.1
1966	19	26.1
1967	26	26.1
1968	22	26.1
1969	35	26.1
1970	15	24.8
1971	30	24.8
1972	31	24.8
1973	31	24.8
1974	31	24.8
1975	25	24.8
1976	17	24.8
1977	19	24.8
1978	26	24.8
1979	23	24.8

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

First to last qualifying date each year at Wonderfontein (Skl)
Year	First date	Last date
1909	1909-01-07	1909-12-05
1911	1911-02-14	1911-12-29
1912	1912-01-06	1912-12-31
1914	1914-01-01	1914-11-25
1915	1915-01-13	1915-12-23
1916	1916-01-18	1916-12-28
1917	1917-01-07	1917-12-28
1918	1918-02-02	1918-12-31
1920	1920-01-02	1920-12-22
1921	1921-01-09	1921-12-22
1922	1922-01-14	1922-12-23
1923	1923-01-11	1923-12-29
1924	1924-01-19	1924-12-28
1925	1925-01-04	1925-12-28
1926	1926-01-02	1926-12-21
1927	1927-01-03	1927-12-31
1928	1928-01-11	1928-12-26
1929	1929-01-04	1929-12-31
1930	1930-01-10	1930-12-17
1931	1931-01-13	1931-12-31
1932	1932-01-07	1932-12-30
1933	1933-01-09	1933-12-24
1934	1934-01-03	1934-12-29
1935	1935-01-14	1935-12-31
1936	1936-01-07	1936-12-27
1937	1937-01-03	1937-12-29
1938	1938-01-12	1938-12-25
1939	1939-01-01	1939-12-27
1940	1940-01-15	1940-11-21
1941	1941-01-16	1941-12-20
1942	1942-01-08	1942-12-10
1943	1943-01-02	1943-12-28
1944	1944-01-01	1944-12-31
1945	1945-01-08	1945-12-18
1946	1946-01-09	1946-12-23
1947	1947-01-01	1947-12-28
1948	1948-02-13	1948-12-20
1949	1949-01-18	1949-12-30
1950	1950-01-15	1950-12-30
1951	1951-01-02	1951-12-23
1952	1952-02-10	1952-12-29
1953	1953-02-03	1953-12-16
1954	1954-01-02	1954-12-18
1955	1955-01-02	1955-12-30
1956	1956-02-17	1956-12-22
1957	1957-01-08	1957-12-22
1958	1958-01-10	1958-12-29
1959	1959-01-01	1959-12-31
1960	1960-01-18	1960-12-30
1962	1962-01-07	1962-12-23
1964	1964-01-11	1964-12-29
1966	1966-01-20	1966-12-22
1967	1967-01-02	1967-12-21
1968	1968-01-07	1968-12-05
1969	1969-01-15	1969-12-30
1970	1970-01-19	1970-12-28
1971	1971-01-13	1971-12-14
1972	1972-01-12	1972-12-26
1973	1973-01-01	1973-12-20
1974	1974-01-05	1974-12-30
1975	1975-01-02	1975-12-31
1976	1976-01-06	1976-12-29
1977	1977-01-11	1977-12-22
1978	1978-01-10	1978-12-31
1979	1979-01-01	1979-12-25

Every Fixed Threshold

Fixed thresholds at Wonderfontein (Skl)
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	42	1918	23
25 mm (0.98 in): Days with 25 mm or more rain	64	15	1939	6
50 mm (1.97 in): Days with 50 mm or more rain	35	5	1955	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Wonderfontein (Skl) 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Wonderfontein (Skl) Threshold Days by Year

Key Facts for Wonderfontein (Skl) Thresholds

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

Every Fixed Threshold

Download the Data

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