Cypherfontein Threshold Days by Year

3 fixed thresholds counted per year at Cypherfontein (SF000700330): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cypherfontein Thresholds

Cypherfontein: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1976 with 12.
Cypherfontein: days with 25 mm (0.98 in) or more of precipitation in 46 years, most in 1981 with 5.
Cypherfontein: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1941 with 2.
3 fixed thresholds have at least one qualifying day at Cypherfontein.

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

63 years with a qualifying day

Days per year at Cypherfontein with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 12 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Cypherfontein
Year	Days	Decade average
1928	6	7
1929	8	7
1930	6	5.4
1931	8	5.4
1932	6	5.4
1933	2	5.4
1934	5	5.4
1935	6	5.4
1936	3	5.4
1937	6	5.4
1938	4	5.4
1939	8	5.4
1940	4	4.6
1941	6	4.6
1942	3	4.6
1943	6	4.6
1944	4	4.6
1945	3	4.6
1946	3	4.6
1947	6	4.6
1948	6	4.6
1949	5	4.6
1950	9	6.4
1951	2	6.4
1952	9	6.4
1954	9	6.4
1955	6	6.4
1956	8	6.4
1957	6	6.4
1958	5	6.4
1959	4	6.4
1960	2	4.9
1961	9	4.9
1962	3	4.9
1963	6	4.9
1964	5	4.9
1965	5	4.9
1966	4	4.9
1967	5	4.9
1968	4	4.9
1969	6	4.9
1970	4	7
1971	11	7
1972	4	7
1973	6	7
1974	11	7
1975	5	7
1976	12	7
1977	7	7
1978	3	7
1979	7	7
1980	9	8
1981	10	8
1982	7	8
1983	9	8
1984	2	8
1985	11	8
1986	8	8
1987	6	8
1988	6	8
1989	12	8
1990	6	7.5
1991	9	7.5

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

First to last qualifying date each year at Cypherfontein
Year	First date	Last date
1928	1928-03-24	1928-12-04
1929	1929-02-01	1929-12-30
1930	1930-01-26	1930-12-31
1931	1931-01-11	1931-11-15
1932	1932-02-06	1932-11-07
1933	1933-08-28	1933-11-08
1934	1934-01-02	1934-04-20
1935	1935-02-28	1935-09-09
1936	1936-03-09	1936-10-27
1937	1937-02-05	1937-12-20
1938	1938-02-18	1938-10-27
1939	1939-01-17	1939-08-22
1940	1940-02-03	1940-07-31
1941	1941-01-31	1941-10-31
1942	1942-03-05	1942-10-10
1943	1943-03-15	1943-11-30
1944	1944-02-19	1944-10-19
1945	1945-03-06	1945-06-21
1946	1946-02-10	1946-04-03
1947	1947-03-21	1947-12-03
1948	1948-01-28	1948-04-20
1949	1949-05-10	1949-11-16
1950	1950-02-23	1950-11-29
1951	1951-01-11	1951-02-11
1952	1952-02-03	1952-12-14
1954	1954-03-13	1954-11-20
1955	1955-02-03	1955-11-29
1956	1956-03-08	1956-12-19
1957	1957-02-20	1957-12-30
1958	1958-04-06	1958-12-14
1959	1959-02-12	1959-04-30
1960	1960-01-30	1960-03-02
1961	1961-03-11	1961-07-31
1962	1962-01-19	1962-08-21
1963	1963-01-17	1963-12-07
1964	1964-02-01	1964-11-18
1965	1965-03-23	1965-11-04
1966	1966-01-21	1966-05-11
1967	1967-02-15	1967-11-22
1968	1968-03-28	1968-10-22
1969	1969-02-23	1969-10-20
1970	1970-08-27	1970-12-24
1971	1971-01-24	1971-12-31
1972	1972-01-06	1972-04-12
1973	1973-03-17	1973-11-25
1974	1974-01-15	1974-06-30
1975	1975-01-31	1975-12-22
1976	1976-01-21	1976-12-15
1977	1977-02-11	1977-11-30
1978	1978-03-27	1978-08-24
1979	1979-02-20	1979-11-24
1980	1980-01-19	1980-11-29
1981	1981-01-23	1981-10-15
1982	1982-01-11	1982-11-14
1983	1983-02-28	1983-12-25
1984	1984-03-10	1984-10-09
1985	1985-01-12	1985-12-18
1986	1986-01-24	1986-11-26
1987	1987-02-09	1987-11-11
1988	1988-04-03	1988-12-27
1989	1989-01-18	1989-11-14
1990	1990-03-03	1990-06-27
1991	1991-01-25	1991-12-30

Every Fixed Threshold

Fixed thresholds at Cypherfontein
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	63	12	1976	9
25 mm (0.98 in): Days with 25 mm or more rain	46	5	1981	1
50 mm (1.97 in): Days with 50 mm or more rain	7	2	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 1928.

Download the Data

Data for Cypherfontein 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).

Cypherfontein Threshold Days by Year

Key Facts for Cypherfontein Thresholds

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

Every Fixed Threshold

Download the Data

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