Jacobsdal (Pol) Threshold Days by Year

3 fixed thresholds counted per year at Jacobsdal (Pol) (SF002584580): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jacobsdal (Pol) Thresholds

Jacobsdal (Pol): days with 10 mm (0.39 in) or more of precipitation in 94 years, most in 1974 with 28.
Jacobsdal (Pol): days with 25 mm (0.98 in) or more of precipitation in 87 years, most in 1891 with 11.
Jacobsdal (Pol): days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1974 with 4.
3 fixed thresholds have at least one qualifying day at Jacobsdal (Pol).

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

94 years with a qualifying day

Days per year at Jacobsdal (Pol) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Jacobsdal (Pol)
Year	Days	Decade average
1887	19	16.7
1888	17	16.7
1889	14	16.7
1891	26	20.7
1892	12	20.7
1899	24	20.7
1907	19	16
1908	13	16
1911	15	9.8
1912	9	9.8
1913	9	9.8
1914	10	9.8
1915	7	9.8
1916	7	9.8
1917	13	9.8
1918	14	9.8
1919	4	9.8
1920	19	11.9
1921	11	11.9
1922	6	11.9
1923	12	11.9
1924	20	11.9
1925	14	11.9
1926	4	11.9
1927	9	11.9
1928	11	11.9
1929	13	11.9
1930	7	11.2
1931	10	11.2
1932	5	11.2
1933	8	11.2
1934	18	11.2
1935	18	11.2
1936	16	11.2
1937	7	11.2
1938	12	11.2
1939	11	11.2
1940	10	11.1
1941	15	11.1
1942	17	11.1
1943	19	11.1
1944	8	11.1
1945	4	11.1
1946	13	11.1
1947	9	11.1
1948	10	11.1
1949	6	11.1
1950	21	13.7
1951	10	13.7
1952	12	13.7
1953	13	13.7
1954	9	13.7
1955	13	13.7
1956	15	13.7
1957	19	13.7
1958	12	13.7
1959	13	13.7
1960	7	11.8
1961	18	11.8
1962	11	11.8
1963	18	11.8
1964	6	11.8
1965	7	11.8
1966	11	11.8
1967	16	11.8
1968	12	11.8
1969	12	11.8
1970	13	16.4
1971	16	16.4
1972	13	16.4
1973	9	16.4
1974	28	16.4
1975	18	16.4
1976	26	16.4
1977	17	16.4
1978	10	16.4
1979	14	16.4
1980	10	11.6
1981	16	11.6
1982	12	11.6
1983	9	11.6
1984	9	11.6
1985	12	11.6
1986	7	11.6
1987	7	11.6
1988	22	11.6
1990	8	12.4
1991	19	12.4
1992	6	12.4
1993	14	12.4
1994	11	12.4
1995	15	12.4
1996	13	12.4
1997	13	12.4

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

First to last qualifying date each year at Jacobsdal (Pol)
Year	First date	Last date
1887	1887-01-09	1887-12-15
1888	1888-01-03	1888-10-19
1889	1889-01-04	1889-12-19
1891	1891-01-11	1891-12-13
1892	1892-01-16	1892-10-14
1899	1899-01-28	1899-12-26
1907	1907-01-08	1907-12-06
1908	1908-01-07	1908-12-20
1911	1911-01-05	1911-11-18
1912	1912-01-13	1912-12-05
1913	1913-01-22	1913-11-07
1914	1914-03-03	1914-12-17
1915	1915-01-04	1915-10-27
1916	1916-01-15	1916-12-13
1917	1917-01-26	1917-11-28
1918	1918-01-01	1918-11-10
1919	1919-01-13	1919-03-19
1920	1920-01-12	1920-12-15
1921	1921-01-08	1921-12-06
1922	1922-01-09	1922-11-22
1923	1923-01-26	1923-11-13
1924	1924-01-25	1924-12-09
1925	1925-01-30	1925-12-02
1926	1926-03-28	1926-12-04
1927	1927-01-29	1927-12-27
1928	1928-01-04	1928-12-25
1929	1929-01-18	1929-10-20
1930	1930-01-16	1930-12-25
1931	1931-01-07	1931-11-05
1932	1932-01-14	1932-09-17
1933	1933-03-04	1933-12-12
1934	1934-01-02	1934-12-20
1935	1935-02-04	1935-12-15
1936	1936-01-01	1936-12-16
1937	1937-01-15	1937-11-03
1938	1938-01-28	1938-12-11
1939	1939-01-30	1939-10-22
1940	1940-01-28	1940-12-02
1941	1941-01-08	1941-10-26
1942	1942-01-02	1942-12-31
1943	1943-01-21	1943-12-31
1944	1944-01-02	1944-10-21
1945	1945-01-06	1945-11-10
1946	1946-01-20	1946-11-26
1947	1947-03-31	1947-12-23
1948	1948-01-02	1948-10-12
1949	1949-01-18	1949-12-19
1950	1950-02-08	1950-12-28
1951	1951-01-11	1951-09-29
1952	1952-01-29	1952-12-16
1953	1953-02-07	1953-12-19
1954	1954-01-16	1954-11-04
1955	1955-01-26	1955-11-22
1956	1956-01-05	1956-12-17
1957	1957-01-29	1957-12-11
1958	1958-01-08	1958-12-30
1959	1959-02-12	1959-12-13
1960	1960-03-10	1960-12-30
1961	1961-01-03	1961-12-16
1962	1962-01-17	1962-11-19
1963	1963-01-05	1963-12-09
1964	1964-02-11	1964-12-14
1965	1965-01-15	1965-07-17
1966	1966-01-07	1966-12-18
1967	1967-01-03	1967-11-15
1968	1968-01-31	1968-12-02
1969	1969-02-24	1969-11-07
1970	1970-01-18	1970-12-21
1971	1971-01-09	1971-12-10
1972	1972-01-08	1972-04-28
1973	1973-01-04	1973-12-22
1974	1974-01-10	1974-12-17
1975	1975-01-23	1975-12-15
1976	1976-01-03	1976-11-05
1977	1977-01-28	1977-12-25
1978	1978-01-21	1978-12-22
1979	1979-01-19	1979-11-13
1980	1980-02-27	1980-11-29
1981	1981-01-23	1981-12-22
1982	1982-01-29	1982-12-05
1983	1983-01-16	1983-11-28
1984	1984-03-20	1984-11-28
1985	1985-01-27	1985-12-04
1986	1986-02-02	1986-12-24
1987	1987-02-11	1987-12-17
1988	1988-02-18	1988-12-29
1990	1990-02-04	1990-12-06
1991	1991-01-07	1991-12-10
1992	1992-03-17	1992-11-09
1993	1993-01-23	1993-12-29
1994	1994-01-10	1994-11-14
1995	1995-01-11	1995-12-16
1996	1996-01-24	1996-12-28
1997	1997-01-14	1997-10-14

Every Fixed Threshold

Fixed thresholds at Jacobsdal (Pol)
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	94	28	1974	13
25 mm (0.98 in): Days with 25 mm or more rain	87	11	1891	1
50 mm (1.97 in): Days with 50 mm or more rain	30	4	1974	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1887.

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Data for Jacobsdal (Pol) 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).

Jacobsdal (Pol) Threshold Days by Year

Key Facts for Jacobsdal (Pol) Thresholds

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

Every Fixed Threshold

Download the Data

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