Griquatown (Tnk) Threshold Days by Year (SF002874410)

3 fixed thresholds counted per year at Griquatown (Tnk) (SF002874410): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Griquatown (Tnk) Thresholds

Griquatown (Tnk): days with 10 mm (0.39 in) or more of precipitation in 91 years, most in 1974 with 32.
Griquatown (Tnk): days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1894 with 14.
Griquatown (Tnk): days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1894 with 3.
3 fixed thresholds have at least one qualifying day at Griquatown (Tnk).

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

91 years with a qualifying day

Days per year at Griquatown (Tnk) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Griquatown (Tnk)
Year	Days	Decade average
1884	6	6.3
1885	2	6.3
1886	7	6.3
1887	12	6.3
1888	9	6.3
1889	2	6.3
1890	9	10.3
1893	11	10.3
1894	26	10.3
1896	3	10.3
1897	4	10.3
1898	9	10.3
1901	12	8.8
1902	9	8.8
1903	3	8.8
1904	8	8.8
1905	7	8.8
1906	7	8.8
1907	10	8.8
1908	6	8.8
1909	17	8.8
1910	4	8.1
1912	1	8.1
1913	11	8.1
1914	6	8.1
1915	8	8.1
1916	5	8.1
1917	14	8.1
1918	15	8.1
1919	9	8.1
1920	14	11
1921	13	11
1922	3	11
1923	9	11
1924	10	11
1925	19	11
1926	10	11
1928	13	11
1929	8	11
1946	10	8.5
1947	7	8.5
1948	12	8.5
1949	5	8.5
1950	18	11.7
1951	10	11.7
1952	8	11.7
1953	8	11.7
1954	10	11.7
1955	12	11.7
1956	15	11.7
1957	10	11.7
1958	14	11.7
1959	12	11.7
1960	9	8.8
1961	8	8.8
1962	8	8.8
1963	19	8.8
1964	7	8.8
1965	3	8.8
1966	8	8.8
1967	10	8.8
1968	8	8.8
1969	8	8.8
1970	7	14.7
1971	13	14.7
1972	11	14.7
1973	11	14.7
1974	32	14.7
1975	16	14.7
1976	19	14.7
1977	12	14.7
1978	17	14.7
1979	9	14.7
1980	8	10.3
1981	9	10.3
1982	9	10.3
1983	13	10.3
1984	8	10.3
1985	8	10.3
1986	6	10.3
1987	10	10.3
1988	23	10.3
1989	9	10.3
1990	9	10.6
1991	18	10.6
1992	5	10.6
1993	9	10.6
1994	9	10.6
1995	15	10.6
1996	14	10.6
1997	6	10.6

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

First to last qualifying date each year at Griquatown (Tnk)
Year	First date	Last date
1884	1884-02-10	1884-10-23
1885	1885-05-14	1885-11-13
1886	1886-02-26	1886-12-20
1887	1887-01-14	1887-11-20
1888	1888-01-02	1888-12-19
1889	1889-01-01	1889-01-05
1890	1890-02-08	1890-12-25
1893	1893-01-21	1893-12-15
1894	1894-01-03	1894-11-22
1896	1896-03-21	1896-04-11
1897	1897-01-18	1897-01-26
1898	1898-01-01	1898-11-29
1901	1901-02-17	1901-12-02
1902	1902-01-11	1902-12-17
1903	1903-02-04	1903-11-27
1904	1904-01-08	1904-12-16
1905	1905-01-02	1905-10-31
1906	1906-02-08	1906-10-12
1907	1907-01-05	1907-12-06
1908	1908-02-24	1908-12-19
1909	1909-01-10	1909-11-29
1910	1910-01-24	1910-11-21
1912	1912-04-26	1912-04-26
1913	1913-02-04	1913-10-09
1914	1914-01-20	1914-12-03
1915	1915-02-12	1915-12-30
1916	1916-03-03	1916-12-13
1917	1917-01-25	1917-12-29
1918	1918-01-01	1918-10-29
1919	1919-03-10	1919-10-31
1920	1920-01-29	1920-12-15
1921	1921-01-31	1921-12-08
1922	1922-05-30	1922-12-17
1923	1923-01-24	1923-05-05
1924	1924-01-25	1924-11-05
1925	1925-01-26	1925-11-23
1926	1926-02-23	1926-12-07
1928	1928-01-03	1928-12-26
1929	1929-03-05	1929-09-07
1946	1946-01-18	1946-11-25
1947	1947-03-28	1947-12-11
1948	1948-01-08	1948-12-14
1949	1949-01-30	1949-12-09
1950	1950-01-04	1950-12-28
1951	1951-02-16	1951-10-04
1952	1952-02-04	1952-12-15
1953	1953-03-14	1953-12-20
1954	1954-02-14	1954-04-30
1955	1955-01-29	1955-12-12
1956	1956-01-05	1956-12-22
1957	1957-02-20	1957-12-30
1958	1958-01-02	1958-09-12
1959	1959-02-12	1959-12-16
1960	1960-01-23	1960-12-29
1961	1961-01-02	1961-11-27
1962	1962-02-08	1962-11-18
1963	1963-01-06	1963-12-08
1964	1964-02-11	1964-12-02
1965	1965-03-23	1965-04-17
1966	1966-01-21	1966-12-19
1967	1967-01-29	1967-11-15
1968	1968-01-31	1968-12-01
1969	1969-02-23	1969-11-07
1970	1970-02-03	1970-12-24
1971	1971-01-08	1971-11-19
1972	1972-01-02	1972-04-18
1973	1973-02-17	1973-12-22
1974	1974-01-03	1974-11-08
1975	1975-02-18	1975-12-18
1976	1976-01-02	1976-12-24
1977	1977-01-27	1977-12-25
1978	1978-01-08	1978-12-11
1979	1979-02-21	1979-12-10
1980	1980-01-22	1980-11-21
1981	1981-01-25	1981-12-03
1982	1982-02-20	1982-12-04
1983	1983-03-03	1983-12-30
1984	1984-02-21	1984-11-26
1985	1985-01-12	1985-12-04
1986	1986-01-02	1986-11-05
1987	1987-02-11	1987-12-22
1988	1988-01-11	1988-12-29
1989	1989-01-01	1989-04-26
1990	1990-01-15	1990-06-19
1991	1991-01-06	1991-12-18
1992	1992-03-17	1992-12-22
1993	1993-02-06	1993-12-24
1994	1994-01-12	1994-06-27
1995	1995-01-12	1995-12-17
1996	1996-01-15	1996-12-28
1997	1997-01-18	1997-05-06

Every Fixed Threshold

Fixed thresholds at Griquatown (Tnk)
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	91	32	1974	6
25 mm (0.98 in): Days with 25 mm or more rain	77	14	1894	2
50 mm (1.97 in): Days with 50 mm or more rain	23	3	1894	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1884.

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Data for Griquatown (Tnk) 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).

Griquatown (Tnk) Threshold Days by Year (SF002874410)

Key Facts for Griquatown (Tnk) Thresholds

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

Every Fixed Threshold

Download the Data

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