Swartkoppies Threshold Days by Year (SF002300270)

4 fixed thresholds counted per year at Swartkoppies (SF002300270): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Swartkoppies Thresholds

Swartkoppies: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1976 with 34.
Swartkoppies: days with 25 mm (0.98 in) or more of precipitation in 59 years, most in 1988 with 14.
Swartkoppies: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1925 with 3.
Swartkoppies: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1950 with 1.
4 fixed thresholds have at least one qualifying day at Swartkoppies.

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

62 years with a qualifying day

Days per year at Swartkoppies with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Swartkoppies
Year	Days	Decade average
1919	4	4
1920	15	13.4
1922	3	13.4
1923	7	13.4
1924	19	13.4
1925	23	13.4
1934	22	17.2
1935	17	17.2
1936	18	17.2
1937	9	17.2
1938	21	17.2
1939	16	17.2
1945	8	12.8
1946	17	12.8
1948	15	12.8
1949	11	12.8
1950	25	20.4
1951	12	20.4
1952	16	20.4
1953	12	20.4
1954	18	20.4
1955	28	20.4
1956	28	20.4
1957	23	20.4
1958	21	20.4
1959	21	20.4
1960	24	14.9
1962	13	14.9
1963	18	14.9
1964	13	14.9
1965	10	14.9
1966	11	14.9
1967	18	14.9
1968	12	14.9
1969	15	14.9
1970	11	19.8
1971	22	19.8
1972	19	19.8
1973	13	19.8
1974	31	19.8
1975	26	19.8
1976	34	19.8
1977	18	19.8
1978	15	19.8
1979	9	19.8
1980	11	15.9
1981	26	15.9
1982	17	15.9
1983	14	15.9
1984	9	15.9
1985	13	15.9
1986	10	15.9
1987	15	15.9
1988	31	15.9
1989	13	15.9
1990	10	14.1
1991	23	14.1
1992	8	14.1
1993	13	14.1
1994	10	14.1
1995	16	14.1
1996	19	14.1

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

First to last qualifying date each year at Swartkoppies
Year	First date	Last date
1919	1919-01-27	1919-11-01
1920	1920-01-24	1920-08-21
1922	1922-08-28	1922-12-19
1923	1923-02-09	1923-11-13
1924	1924-01-31	1924-12-26
1925	1925-02-13	1925-11-13
1934	1934-01-01	1934-12-19
1935	1935-01-04	1935-12-31
1936	1936-01-08	1936-12-26
1937	1937-01-22	1937-05-12
1938	1938-01-19	1938-12-16
1939	1939-01-20	1939-11-27
1945	1945-01-06	1945-12-30
1946	1946-01-08	1946-11-28
1948	1948-02-05	1948-10-11
1949	1949-01-29	1949-12-19
1950	1950-01-05	1950-12-25
1951	1951-01-01	1951-11-04
1952	1952-01-10	1952-12-15
1953	1953-01-13	1953-12-17
1954	1954-01-18	1954-12-14
1955	1955-01-04	1955-11-28
1956	1956-01-05	1956-12-22
1957	1957-01-31	1957-12-24
1958	1958-01-06	1958-12-26
1959	1959-01-27	1959-12-21
1960	1960-01-17	1960-12-19
1962	1962-01-18	1962-11-23
1963	1963-01-04	1963-11-18
1964	1964-01-10	1964-12-17
1965	1965-01-14	1965-07-25
1966	1966-01-16	1966-12-19
1967	1967-01-30	1967-11-15
1968	1968-03-05	1968-12-07
1969	1969-02-24	1969-10-28
1970	1970-01-26	1970-12-19
1971	1971-01-08	1971-12-27
1972	1972-01-09	1972-12-26
1973	1973-02-17	1973-12-30
1974	1974-01-20	1974-12-19
1975	1975-01-23	1975-12-19
1976	1976-01-03	1976-12-03
1977	1977-01-10	1977-12-24
1978	1978-01-03	1978-12-08
1979	1979-01-15	1979-10-17
1980	1980-02-02	1980-11-29
1981	1981-01-24	1981-12-23
1982	1982-02-08	1982-11-16
1983	1983-03-02	1983-12-31
1984	1984-01-01	1984-11-28
1985	1985-02-08	1985-12-21
1986	1986-03-08	1986-11-06
1987	1987-02-13	1987-12-22
1988	1988-01-15	1988-12-31
1989	1989-01-01	1989-12-11
1990	1990-01-10	1990-12-05
1991	1991-01-07	1991-12-06
1992	1992-02-10	1992-11-08
1993	1993-01-25	1993-12-28
1994	1994-01-12	1994-03-03
1995	1995-01-11	1995-12-17
1996	1996-01-15	1996-12-30

Every Fixed Threshold

Fixed thresholds at Swartkoppies
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	62	34	1976	19
25 mm (0.98 in): Days with 25 mm or more rain	59	14	1988	5
50 mm (1.97 in): Days with 50 mm or more rain	26	3	1925	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1950	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

Data for Swartkoppies 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).

Swartkoppies Threshold Days by Year (SF002300270)

Key Facts for Swartkoppies Thresholds

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

Every Fixed Threshold

Download the Data

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