Tierhoek Threshold Days by Year (SF000338710)

5 fixed thresholds counted per year at Tierhoek (SF000338710): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tierhoek Thresholds

Tierhoek: days with 10 mm (0.39 in) or more of precipitation in 66 years, most in 1963 with 33.
Tierhoek: days with 25 mm (0.98 in) or more of precipitation in 64 years, most in 1971 with 14.
Tierhoek: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1971 with 6.
Tierhoek: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1971 with 3.
5 fixed thresholds have at least one qualifying day at Tierhoek.

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

66 years with a qualifying day

Days per year at Tierhoek with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Tierhoek
Year	Days	Decade average
1929	7	7
1930	11	10.6
1931	9	10.6
1933	6	10.6
1934	15	10.6
1935	12	10.6
1936	11	10.6
1937	11	10.6
1938	8	10.6
1939	12	10.6
1940	13	10.5
1941	13	10.5
1942	9	10.5
1943	15	10.5
1944	14	10.5
1945	8	10.5
1946	12	10.5
1947	8	10.5
1948	8	10.5
1949	5	10.5
1950	16	16.5
1951	7	16.5
1952	15	16.5
1955	23	16.5
1956	21	16.5
1957	13	16.5
1958	18	16.5
1959	19	16.5
1960	17	19.4
1961	21	19.4
1962	22	19.4
1963	33	19.4
1964	16	19.4
1965	22	19.4
1966	17	19.4
1967	13	19.4
1968	18	19.4
1969	15	19.4
1970	15	15.2
1971	25	15.2
1972	11	15.2
1973	10	15.2
1974	22	15.2
1975	12	15.2
1976	19	15.2
1977	15	15.2
1978	8	15.2
1979	15	15.2
1980	9	11
1981	19	11
1982	9	11
1983	12	11
1984	3	11
1985	16	11
1986	8	11
1987	7	11
1988	13	11
1989	14	11
1990	7	10.1
1991	8	10.1
1992	10	10.1
1993	15	10.1
1994	7	10.1
1995	11	10.1
1996	15	10.1
1997	8	10.1

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

First to last qualifying date each year at Tierhoek
Year	First date	Last date
1929	1929-04-14	1929-09-05
1930	1930-01-27	1930-10-05
1931	1931-04-12	1931-12-31
1933	1933-02-22	1933-11-24
1934	1934-02-16	1934-10-14
1935	1935-02-10	1935-11-08
1936	1936-03-09	1936-12-04
1937	1937-01-19	1937-11-14
1938	1938-01-19	1938-11-15
1939	1939-02-15	1939-12-03
1940	1940-01-21	1940-11-09
1941	1941-01-07	1941-12-23
1942	1942-01-29	1942-10-25
1943	1943-01-21	1943-12-18
1944	1944-02-17	1944-10-22
1945	1945-02-21	1945-11-10
1946	1946-02-13	1946-12-18
1947	1947-04-01	1947-11-12
1948	1948-02-05	1948-10-16
1949	1949-04-01	1949-11-17
1950	1950-03-23	1950-12-07
1951	1951-01-07	1951-09-30
1952	1952-01-31	1952-12-15
1955	1955-01-26	1955-12-19
1956	1956-02-09	1956-12-20
1957	1957-02-20	1957-12-21
1958	1958-01-07	1958-12-04
1959	1959-01-12	1959-12-04
1960	1960-01-04	1960-12-19
1961	1961-01-26	1961-10-15
1962	1962-01-18	1962-12-03
1963	1963-01-01	1963-12-12
1964	1964-01-31	1964-12-02
1965	1965-03-18	1965-12-17
1966	1966-01-21	1966-11-04
1967	1967-01-30	1967-12-10
1968	1968-03-12	1968-11-14
1969	1969-01-21	1969-10-29
1970	1970-01-31	1970-12-06
1971	1971-01-09	1971-12-11
1972	1972-01-09	1972-11-03
1973	1973-02-04	1973-11-23
1974	1974-01-16	1974-12-17
1975	1975-01-31	1975-12-22
1976	1976-01-17	1976-12-31
1977	1977-01-11	1977-12-30
1978	1978-01-31	1978-12-09
1979	1979-01-02	1979-11-19
1980	1980-01-21	1980-11-29
1981	1981-01-24	1981-11-25
1982	1982-01-11	1982-10-20
1983	1983-02-01	1983-11-19
1984	1984-06-19	1984-11-28
1985	1985-01-14	1985-12-20
1986	1986-01-03	1986-10-09
1987	1987-02-09	1987-11-29
1988	1988-02-18	1988-12-19
1989	1989-02-15	1989-11-27
1990	1990-02-14	1990-08-19
1991	1991-01-26	1991-11-07
1992	1992-02-12	1992-11-25
1993	1993-01-10	1993-12-04
1994	1994-01-12	1994-12-24
1995	1995-01-15	1995-12-25
1996	1996-02-06	1996-12-28
1997	1997-03-18	1997-06-29

Every Fixed Threshold

Fixed thresholds at Tierhoek
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	66	33	1963	8
25 mm (0.98 in): Days with 25 mm or more rain	64	14	1971	4
50 mm (1.97 in): Days with 50 mm or more rain	37	6	1971	1
100 mm (3.94 in): Days with 100 mm or more rain	15	3	1971	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1971	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

Data for Tierhoek 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).

Tierhoek Threshold Days by Year (SF000338710)

Key Facts for Tierhoek Thresholds

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

Every Fixed Threshold

Download the Data

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