Graaff Reinet Threshold Days by Year (SF000960450)

3 fixed thresholds counted per year at Graaff Reinet (SF000960450): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Graaff Reinet Thresholds

Graaff Reinet: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1963 with 20.
Graaff Reinet: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1931 with 8.
Graaff Reinet: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1909 with 2.
3 fixed thresholds have at least one qualifying day at Graaff Reinet.

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

82 years with a qualifying day

Days per year at Graaff Reinet with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 20 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Graaff Reinet
Year	Days	Decade average
1878	9	9
1881	14	11.4
1883	4	11.4
1884	9	11.4
1888	14	11.4
1889	16	11.4
1900	14	10.3
1901	10	10.3
1902	13	10.3
1903	7	10.3
1904	8	10.3
1905	8	10.3
1906	12	10.3
1907	8	10.3
1909	13	10.3
1910	9	9.6
1912	7	9.6
1913	13	9.6
1914	7	9.6
1915	6	9.6
1916	8	9.6
1917	17	9.6
1918	10	9.6
1920	19	12.1
1921	18	12.1
1922	11	12.1
1923	7	12.1
1924	9	12.1
1925	14	12.1
1926	5	12.1
1928	11	12.1
1929	15	12.1
1930	16	13.2
1931	14	13.2
1932	10	13.2
1933	13	13.2
1935	15	13.2
1936	15	13.2
1937	10	13.2
1938	8	13.2
1939	18	13.2
1940	16	9
1941	8	9
1942	11	9
1943	10	9
1944	7	9
1945	10	9
1946	6	9
1947	6	9
1948	10	9
1949	6	9
1950	14	10
1951	6	10
1952	10	10
1953	14	10
1954	12	10
1955	9	10
1956	12	10
1957	3	10
1958	10	10
1959	10	10
1960	3	9.4
1961	14	9.4
1962	9	9.4
1963	20	9.4
1964	6	9.4
1965	12	9.4
1966	4	9.4
1967	9	9.4
1968	7	9.4
1969	10	9.4
1970	9	12
1971	14	12
1972	6	12
1973	7	12
1974	19	12
1975	14	12
1976	16	12
1977	13	12
1978	10	12
1990	3	5.5
1991	8	5.5

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

First to last qualifying date each year at Graaff Reinet
Year	First date	Last date
1878	1878-03-04	1878-11-26
1881	1881-01-16	1881-12-29
1883	1883-03-04	1883-11-27
1884	1884-01-06	1884-11-05
1888	1888-02-18	1888-10-26
1889	1889-01-05	1889-12-29
1900	1900-01-08	1900-12-19
1901	1901-02-14	1901-10-30
1902	1902-02-11	1902-12-24
1903	1903-05-01	1903-12-11
1904	1904-01-09	1904-12-06
1905	1905-05-30	1905-10-10
1906	1906-01-17	1906-12-04
1907	1907-02-05	1907-12-27
1909	1909-01-02	1909-12-26
1910	1910-01-17	1910-12-21
1912	1912-01-12	1912-07-28
1913	1913-02-02	1913-11-07
1914	1914-01-22	1914-12-04
1915	1915-01-04	1915-12-30
1916	1916-01-20	1916-12-18
1917	1917-02-20	1917-11-29
1918	1918-01-01	1918-12-02
1920	1920-01-31	1920-12-25
1921	1921-01-24	1921-12-28
1922	1922-01-11	1922-12-19
1923	1923-02-16	1923-11-12
1924	1924-01-11	1924-12-03
1925	1925-02-22	1925-12-06
1926	1926-05-02	1926-11-25
1928	1928-01-26	1928-12-27
1929	1929-01-02	1929-12-19
1930	1930-01-03	1930-12-31
1931	1931-01-14	1931-12-31
1932	1932-02-27	1932-11-26
1933	1933-02-22	1933-12-30
1935	1935-01-29	1935-12-15
1936	1936-02-16	1936-12-04
1937	1937-01-22	1937-12-17
1938	1938-01-21	1938-11-14
1939	1939-01-23	1939-10-22
1940	1940-01-14	1940-11-09
1941	1941-01-19	1941-12-22
1942	1942-01-27	1942-12-03
1943	1943-02-21	1943-12-25
1944	1944-01-14	1944-05-28
1945	1945-01-30	1945-07-11
1946	1946-01-26	1946-12-18
1947	1947-04-01	1947-12-23
1948	1948-01-28	1948-10-12
1949	1949-02-27	1949-12-10
1950	1950-01-05	1950-12-24
1951	1951-01-11	1951-09-30
1952	1952-01-31	1952-12-14
1953	1953-02-19	1953-12-28
1954	1954-02-15	1954-11-19
1955	1955-02-17	1955-11-29
1956	1956-01-21	1956-12-07
1957	1957-02-20	1957-12-30
1958	1958-01-13	1958-12-20
1959	1959-01-24	1959-12-03
1960	1960-04-21	1960-12-28
1961	1961-01-19	1961-12-31
1962	1962-02-08	1962-11-19
1963	1963-01-03	1963-12-11
1964	1964-02-01	1964-11-04
1965	1965-01-31	1965-11-04
1966	1966-01-21	1966-09-16
1967	1967-01-30	1967-07-13
1968	1968-03-08	1968-10-22
1969	1969-02-24	1969-11-07
1970	1970-02-06	1970-12-06
1971	1971-01-09	1971-10-28
1972	1972-03-12	1972-12-16
1973	1973-02-18	1973-12-04
1974	1974-01-15	1974-11-28
1975	1975-02-11	1975-12-27
1976	1976-01-17	1976-11-02
1977	1977-01-09	1977-12-30
1978	1978-02-02	1978-12-10
1990	1990-02-17	1990-12-05
1991	1991-01-26	1991-12-31

Every Fixed Threshold

Fixed thresholds at Graaff Reinet
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	82	20	1963	8
25 mm (0.98 in): Days with 25 mm or more rain	71	8	1931	1
50 mm (1.97 in): Days with 50 mm or more rain	23	2	1909	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1878.

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Data for Graaff Reinet 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).

Graaff Reinet Threshold Days by Year (SF000960450)

Key Facts for Graaff Reinet Thresholds

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

Every Fixed Threshold

Download the Data

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