Vaalkop Threshold Days by Year

4 fixed thresholds counted per year at Vaalkop (SF005491300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vaalkop Thresholds

Vaalkop: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1943 with 26.
Vaalkop: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1971 with 14.
Vaalkop: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1939 with 3.
Vaalkop: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1996 with 1.
4 fixed thresholds have at least one qualifying day at Vaalkop.

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

68 years with a qualifying day

Days per year at Vaalkop with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1943.

Days with 10 mm (0.39 in) or more of precipitation per year at Vaalkop
Year	Days	Decade average
1926	17	18
1927	16	18
1928	21	18
1930	14	17.2
1931	19	17.2
1932	10	17.2
1933	18	17.2
1934	20	17.2
1935	7	17.2
1936	24	17.2
1937	22	17.2
1938	17	17.2
1939	21	17.2
1940	15	20.1
1941	19	20.1
1942	23	20.1
1943	26	20.1
1944	25	20.1
1945	15	20.1
1946	17	20.1
1948	22	20.1
1949	19	20.1
1950	21	17.5
1951	13	17.5
1952	20	17.5
1953	14	17.5
1954	14	17.5
1955	24	17.5
1956	18	17.5
1957	16	17.5
1960	21	16.3
1961	17	16.3
1962	11	16.3
1963	11	16.3
1964	17	16.3
1965	5	16.3
1966	19	16.3
1967	26	16.3
1968	16	16.3
1969	20	16.3
1970	19	21.4
1971	25	21.4
1972	14	21.4
1973	25	21.4
1974	19	21.4
1975	26	21.4
1976	21	21.4
1977	23	21.4
1978	24	21.4
1979	18	21.4
1980	20	19.4
1981	23	19.4
1982	20	19.4
1983	17	19.4
1984	15	19.4
1985	14	19.4
1986	16	19.4
1987	23	19.4
1988	22	19.4
1989	24	19.4
1990	22	17.6
1991	17	17.6
1992	12	17.6
1993	13	17.6
1994	16	17.6
1995	21	17.6
1996	15	17.6
1997	25	17.6

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

First to last qualifying date each year at Vaalkop
Year	First date	Last date
1926	1926-01-03	1926-12-21
1927	1927-01-02	1927-12-04
1928	1928-01-05	1928-12-09
1930	1930-01-11	1930-12-30
1931	1931-01-03	1931-12-26
1932	1932-02-18	1932-12-24
1933	1933-01-09	1933-12-31
1934	1934-01-01	1934-12-10
1935	1935-02-04	1935-12-20
1936	1936-01-11	1936-12-16
1937	1937-01-03	1937-12-31
1938	1938-01-12	1938-12-29
1939	1939-01-22	1939-12-29
1940	1940-01-16	1940-11-09
1941	1941-01-06	1941-12-21
1942	1942-01-04	1942-12-28
1943	1943-01-02	1943-12-28
1944	1944-01-02	1944-11-26
1945	1945-01-07	1945-12-28
1946	1946-01-02	1946-12-22
1948	1948-01-14	1948-12-31
1949	1949-01-05	1949-12-30
1950	1950-01-04	1950-12-30
1951	1951-02-07	1951-12-24
1952	1952-01-25	1952-12-16
1953	1953-01-03	1953-12-14
1954	1954-01-14	1954-12-30
1955	1955-01-02	1955-12-27
1956	1956-01-06	1956-12-09
1957	1957-01-13	1957-12-19
1960	1960-01-23	1960-12-25
1961	1961-01-14	1961-12-26
1962	1962-01-20	1962-12-31
1963	1963-01-09	1963-11-13
1964	1964-01-04	1964-12-27
1965	1965-01-15	1965-12-21
1966	1966-01-23	1966-12-19
1967	1967-01-12	1967-12-19
1968	1968-02-08	1968-12-26
1969	1969-01-16	1969-12-16
1970	1970-01-02	1970-12-29
1971	1971-01-03	1971-12-13
1972	1972-01-12	1972-12-25
1973	1973-01-09	1973-12-23
1974	1974-01-01	1974-12-27
1975	1975-01-12	1975-12-30
1976	1976-01-05	1976-12-08
1977	1977-01-12	1977-12-31
1978	1978-01-01	1978-12-22
1979	1979-01-16	1979-12-24
1980	1980-01-07	1980-12-23
1981	1981-01-05	1981-12-23
1982	1982-01-01	1982-12-30
1983	1983-01-06	1983-12-27
1984	1984-01-07	1984-12-18
1985	1985-01-04	1985-12-26
1986	1986-01-18	1986-12-29
1987	1987-01-03	1987-12-26
1988	1988-01-05	1988-12-30
1989	1989-01-09	1989-12-31
1990	1990-01-14	1990-12-29
1991	1991-01-03	1991-12-10
1992	1992-01-12	1992-12-16
1993	1993-01-22	1993-12-29
1994	1994-01-12	1994-12-26
1995	1995-01-09	1995-12-24
1996	1996-01-18	1996-12-09
1997	1997-01-03	1997-11-16

Every Fixed Threshold

Fixed thresholds at Vaalkop
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	26	1943	25
25 mm (0.98 in): Days with 25 mm or more rain	68	14	1971	8
50 mm (1.97 in): Days with 50 mm or more rain	36	3	1939	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1996	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1926.

Download the Data

Data for Vaalkop 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Vaalkop Threshold Days by Year

Key Facts for Vaalkop Thresholds

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

Every Fixed Threshold

Download the Data

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