Graaff Reinet Weather Records (SF000960450)

Record envelope, standing records and threshold days for Graaff Reinet (SF000960450), South Africa, with 115 years of record.

Key Facts for Graaff Reinet

Graaff Reinet (SF000960450) is a weather station in South Africa at -32.25 latitude and 24.53 longitude, 754 m (2,474 ft) above sea level.
The station reports from 1878 to 1992, 115 years of record.
280 records set at Graaff Reinet still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Graaff Reinet set a daily record precipitation of 27.5 mm (1.1 in) on 7 June 1991.

About the Station

Location: South Africa, -32.25 latitude, 24.53 longitude.
Elevation: 754 m (2,474 ft).
Period of record: 1878 to 1992, 115 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Graaff Reinet. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Graaff Reinet, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	37.4 C (99.3 F)	13.4 C (56.1 F)	n/a	n/a
Feb	39.5 C (103.1 F)	9.0 C (48.2 F)	n/a	n/a
Mar	32.0 C (89.6 F)	11.7 C (53.1 F)	n/a	n/a
Apr	35.6 C (96.1 F)	5.4 C (41.7 F)	n/a	n/a
May	27.5 C (81.5 F)	2.0 C (35.6 F)	n/a	n/a
Jun	20.4 C (68.7 F)	3.6 C (38.5 F)	n/a	n/a
Jul	24.2 C (75.6 F)	0.2 C (32.4 F)	n/a	n/a
Aug	29.0 C (84.2 F)	0.3 C (32.5 F)	n/a	n/a
Sep	34.6 C (94.3 F)	2.4 C (36.3 F)	n/a	n/a
Oct	36.5 C (97.7 F)	3.5 C (38.3 F)	n/a	n/a
Nov	34.6 C (94.3 F)	8.1 C (46.6 F)	n/a	n/a
Dec	33.9 C (93.0 F)	13.1 C (55.6 F)	n/a	n/a

Which Years Hold Standing Records

280 standing records

280 records at Graaff Reinet still stand. 1989 holds the most, with 44.

Wettest Day of Each Month

Jul: 114.3 mm (4.5 in)

The wettest day on record for each calendar month at Graaff Reinet. The most was 114.3 mm (4.5 in) on 11 July 1886.

Record daily precipitation for each month at Graaff Reinet
Month	Record daily precipitation (mm)	Date
Jan	54.5 mm (2.1 in)	30 January 1967
Feb	64.7 mm (2.5 in)	18 February 1977
Mar	75.7 mm (3.0 in)	12 March 1909
Apr	53.8 mm (2.1 in)	19 April 1948
May	88.5 mm (3.5 in)	7 May 1977
Jun	44.0 mm (1.7 in)	17 June 1964
Jul	114.3 mm (4.5 in)	11 July 1886
Aug	63.0 mm (2.5 in)	26 August 1970
Sep	64.5 mm (2.5 in)	15 September 1901
Oct	52.5 mm (2.1 in)	21 October 1953
Nov	71.1 mm (2.8 in)	12 November 1923
Dec	87.6 mm (3.4 in)	31 December 1931

Period of Record Coverage

1982 to 1992

11 years of record at Graaff Reinet, 1982 to 1992. 11 years have data for under 90 percent of days and are left out of rankings: 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 and others.

Latest Records

Latest records at Graaff Reinet
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 June 1991	Graaff Reinet, ZA	daily rain	27.5 mm (1.1 in)	5.9 mm (0.23 in)	73 years	40 of 100 (Notable)
21 July 1979	Graaff Reinet, ZA	daily rain	34.0 mm (1.3 in)	29.4 mm (1.2 in)	44 years	52 of 100 (Notable)
22 May 1979	Graaff Reinet, ZA	daily rain	19.0 mm (0.7 in)	9.1 mm (0.36 in)	33 years	20 of 100 (Routine)
18 April 1979	Graaff Reinet, ZA	daily rain	19.5 mm (0.8 in)	14.4 mm (0.6 in)	88 years	20 of 100 (Routine)
9 December 1978	Graaff Reinet, ZA	daily rain	39.0 mm (1.5 in)	26.0 mm (1.0 in)	87 years	59 of 100 (Notable)
14 March 1978	Graaff Reinet, ZA	daily rain	39.0 mm (1.5 in)	13.6 mm (0.5 in)	60 years	41 of 100 (Notable)
30 December 1977	Graaff Reinet, ZA	daily rain	33.0 mm (1.3 in)	5.1 mm (0.20 in)	46 years	27 of 100 (Routine)
30 November 1977	Graaff Reinet, ZA	daily rain	17.0 mm (0.7 in)	9.4 mm (0.37 in)	34 years	20 of 100 (Routine)
7 May 1977	Graaff Reinet, ZA	monthly rain	88.5 mm (3.5 in)	4.4 mm (0.17 in)	61 years	42 of 100 (Notable)
28 February 1977	Graaff Reinet, ZA	daily rain	30.0 mm (1.2 in)	4.6 mm (0.18 in)	60 years	32 of 100 (Routine)
18 February 1977	Graaff Reinet, ZA	monthly rain	64.7 mm (2.5 in)	1.7 mm (0.07 in)	21 years	27 of 100 (Routine)
11 February 1977	Graaff Reinet, ZA	daily rain	20.5 mm (0.8 in)	5.0 mm (0.20 in)	15 years	19 of 100 (Routine)
2 October 1976	Graaff Reinet, ZA	daily rain	21.2 mm (0.8 in)	3.2 mm (0.13 in)	11 years	16 of 100 (Routine)
19 June 1976	Graaff Reinet, ZA	daily rain	5.0 mm (0.20 in)	1.5 mm (0.06 in)	6 years	12 of 100 (Routine)
6 February 1976	Graaff Reinet, ZA	daily rain	22.0 mm (0.9 in)	5.5 mm (0.22 in)	40 years	20 of 100 (Routine)
25 January 1976	Graaff Reinet, ZA	daily rain	22.0 mm (0.9 in)	8.0 mm (0.31 in)	4 years	18 of 100 (Routine)
22 December 1975	Graaff Reinet, ZA	daily rain	25.0 mm (1.0 in)	12.3 mm (0.5 in)	33 years	29 of 100 (Routine)
26 November 1975	Graaff Reinet, ZA	daily rain	27.5 mm (1.1 in)	11.5 mm (0.5 in)	42 years	33 of 100 (Routine)
26 June 1975	Graaff Reinet, ZA	daily rain	7.2 mm (0.28 in)	3.7 mm (0.15 in)	17 years	19 of 100 (Routine)
16 March 1975	Graaff Reinet, ZA	daily rain	18.5 mm (0.7 in)	1.2 mm (0.05 in)	73 years	20 of 100 (Routine)

Extremes by Year

1878 to 1992

Yearly extremes at Graaff Reinet: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.5 C (103.1 F)	1990	34.5 C (94.1 F)	11
Coldest night (TNn)	0.2 C (32.4 F)	1989	3.1 C (37.5 F)	14
Wettest day (Rx1day)	114.3 mm (4.5 in)	1886	37.6 mm (1.5 in)	113
Wettest five days (Rx5day)	150.8 mm (5.9 in)	1932	54.3 mm (2.1 in)	105
Longest dry spell (CDD)	133 days	1889	48 days	111

Hottest day (TXx)

The hottest day of the year at Graaff Reinet, 1878 to 1992. The record is 39.5 C (103.1 F) in 1990, marked on the chart; the median year is 34.5 C (94.1 F).

Hottest day (TXx) at Graaff Reinet by year
Year	Hottest day (TXx)
1878	n/a
1879	n/a
1880	n/a
1881	n/a
1882	n/a
1883	n/a
1884	n/a
1885	n/a
1886	n/a
1887	n/a
1888	n/a
1889	n/a
1890	n/a
1891	n/a
1892	n/a
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	29.5 C (85.1 F)
1983	33.5 C (92.3 F)
1984	36.5 C (97.7 F)
1985	35.0 C (95.0 F)
1986	34.5 C (94.1 F)
1987	34.6 C (94.3 F)
1988	34.5 C (94.1 F)
1989	34.1 C (93.4 F)
1990	39.5 C (103.1 F)
1991	17.3 C (63.1 F)
1992	35.6 C (96.1 F)

Coldest night (TNn)

The coldest night of the year at Graaff Reinet, 1878 to 1992. The record is 0.2 C (32.4 F) in 1989, marked on the chart; the median year is 3.1 C (37.5 F).

Coldest night (TNn) at Graaff Reinet by year
Year	Coldest night (TNn)
1878	n/a
1879	n/a
1880	n/a
1881	n/a
1882	n/a
1883	n/a
1884	n/a
1885	n/a
1886	n/a
1887	n/a
1888	n/a
1889	n/a
1890	n/a
1891	n/a
1892	n/a
1893	n/a
1894	n/a
1895	n/a
1896	n/a
1897	n/a
1898	n/a
1899	n/a
1900	n/a
1901	n/a
1902	n/a
1903	n/a
1904	n/a
1905	n/a
1906	n/a
1907	n/a
1908	n/a
1909	n/a
1910	n/a
1911	n/a
1912	n/a
1913	n/a
1914	n/a
1915	n/a
1916	n/a
1917	n/a
1918	n/a
1919	n/a
1920	n/a
1921	n/a
1922	n/a
1923	n/a
1924	n/a
1925	n/a
1926	n/a
1927	n/a
1928	n/a
1929	n/a
1930	n/a
1931	n/a
1932	n/a
1933	n/a
1934	n/a
1935	n/a
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	n/a
1941	n/a
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	11.0 C (51.8 F)
1980	2.0 C (35.6 F)
1981	2.0 C (35.6 F)
1982	3.0 C (37.4 F)
1983	3.5 C (38.3 F)
1984	2.0 C (35.6 F)
1985	9.5 C (49.1 F)
1986	3.8 C (38.8 F)
1987	3.1 C (37.6 F)
1988	3.1 C (37.6 F)
1989	0.2 C (32.4 F)
1990	13.4 C (56.1 F)
1991	0.3 C (32.5 F)
1992	0.8 C (33.4 F)

Wettest day (Rx1day)

The wettest day of the year at Graaff Reinet, 1878 to 1992. The record is 114.3 mm (4.5 in) in 1886, marked on the chart; the median year is 37.6 mm (1.5 in).

Wettest day (Rx1day) at Graaff Reinet by year
Year	Wettest day (Rx1day)
1878	21.3 mm (0.8 in)
1879	37.6 mm (1.5 in)
1880	33.0 mm (1.3 in)
1881	48.5 mm (1.9 in)
1882	30.5 mm (1.2 in)
1883	27.2 mm (1.1 in)
1884	24.9 mm (1.0 in)
1885	60.7 mm (2.4 in)
1886	114.3 mm (4.5 in)
1887	22.9 mm (0.9 in)
1888	39.4 mm (1.6 in)
1889	49.8 mm (2.0 in)
1890	50.8 mm (2.0 in)
1891	57.2 mm (2.3 in)
1892	47.0 mm (1.9 in)
1893	31.8 mm (1.3 in)
1894	71.9 mm (2.8 in)
1895	21.6 mm (0.9 in)
1896	63.8 mm (2.5 in)
1897	29.2 mm (1.1 in)
1898	34.3 mm (1.4 in)
1899	49.3 mm (1.9 in)
1900	48.3 mm (1.9 in)
1901	64.5 mm (2.5 in)
1902	63.5 mm (2.5 in)
1903	22.1 mm (0.9 in)
1904	48.8 mm (1.9 in)
1905	41.7 mm (1.6 in)
1906	55.9 mm (2.2 in)
1907	42.4 mm (1.7 in)
1908	24.1 mm (0.9 in)
1909	75.7 mm (3.0 in)
1910	43.2 mm (1.7 in)
1911	62.0 mm (2.4 in)
1912	18.5 mm (0.7 in)
1913	50.3 mm (2.0 in)
1914	35.6 mm (1.4 in)
1915	36.3 mm (1.4 in)
1916	84.1 mm (3.3 in)
1917	30.5 mm (1.2 in)
1918	40.6 mm (1.6 in)
1919	38.1 mm (1.5 in)
1920	45.7 mm (1.8 in)
1921	76.7 mm (3.0 in)
1922	40.6 mm (1.6 in)
1923	71.1 mm (2.8 in)
1924	47.0 mm (1.9 in)
1925	48.8 mm (1.9 in)
1926	30.7 mm (1.2 in)
1927	23.4 mm (0.9 in)
1928	64.8 mm (2.6 in)
1929	80.0 mm (3.1 in)
1930	33.8 mm (1.3 in)
1931	87.6 mm (3.4 in)
1932	31.0 mm (1.2 in)
1933	45.0 mm (1.8 in)
1934	33.0 mm (1.3 in)
1935	28.4 mm (1.1 in)
1936	29.7 mm (1.2 in)
1937	49.3 mm (1.9 in)
1938	32.5 mm (1.3 in)
1939	30.5 mm (1.2 in)
1940	54.6 mm (2.1 in)
1941	31.8 mm (1.3 in)
1942	39.6 mm (1.6 in)
1943	23.9 mm (0.9 in)
1944	32.5 mm (1.3 in)
1945	21.1 mm (0.8 in)
1946	17.8 mm (0.7 in)
1947	26.7 mm (1.1 in)
1948	53.8 mm (2.1 in)
1949	43.4 mm (1.7 in)
1950	33.0 mm (1.3 in)
1951	46.2 mm (1.8 in)
1952	39.6 mm (1.6 in)
1953	52.5 mm (2.1 in)
1954	35.0 mm (1.4 in)
1955	30.0 mm (1.2 in)
1956	63.0 mm (2.5 in)
1957	33.5 mm (1.3 in)
1958	55.0 mm (2.2 in)
1959	45.0 mm (1.8 in)
1960	27.0 mm (1.1 in)
1961	50.5 mm (2.0 in)
1962	19.5 mm (0.8 in)
1963	50.5 mm (2.0 in)
1964	44.0 mm (1.7 in)
1965	28.0 mm (1.1 in)
1966	17.5 mm (0.7 in)
1967	54.5 mm (2.1 in)
1968	47.0 mm (1.9 in)
1969	25.0 mm (1.0 in)
1970	63.0 mm (2.5 in)
1971	54.0 mm (2.1 in)
1972	27.7 mm (1.1 in)
1973	26.0 mm (1.0 in)
1974	61.5 mm (2.4 in)
1975	37.5 mm (1.5 in)
1976	23.0 mm (0.9 in)
1977	88.5 mm (3.5 in)
1978	39.0 mm (1.5 in)
1979	34.0 mm (1.3 in)
1980	0.0 mm (0.00 in)
1981	1.0 mm (0.04 in)
1982	n/a
1983	3.0 mm (0.12 in)
1984	n/a
1985	0.5 mm (0.02 in)
1986	2.8 mm (0.11 in)
1987	0.8 mm (0.03 in)
1988	1.5 mm (0.06 in)
1989	24.4 mm (1.0 in)
1990	19.5 mm (0.8 in)
1991	27.5 mm (1.1 in)
1992	0.6 mm (0.02 in)

Wettest five days (Rx5day)

The wettest five days of the year at Graaff Reinet, 1878 to 1992. The record is 150.8 mm (5.9 in) in 1932, marked on the chart; the median year is 54.3 mm (2.1 in).

Wettest five days (Rx5day) at Graaff Reinet by year
Year	Wettest five days (Rx5day)
1878	27.9 mm (1.1 in)
1879	45.5 mm (1.8 in)
1880	33.0 mm (1.3 in)
1881	64.5 mm (2.5 in)
1882	38.9 mm (1.5 in)
1883	41.2 mm (1.6 in)
1884	26.9 mm (1.1 in)
1885	78.9 mm (3.1 in)
1886	115.8 mm (4.6 in)
1887	29.3 mm (1.2 in)
1888	51.1 mm (2.0 in)
1889	93.2 mm (3.7 in)
1890	81.2 mm (3.2 in)
1891	65.3 mm (2.6 in)
1892	75.5 mm (3.0 in)
1893	45.3 mm (1.8 in)
1894	95.5 mm (3.8 in)
1895	32.0 mm (1.3 in)
1896	94.3 mm (3.7 in)
1897	41.9 mm (1.6 in)
1898	53.6 mm (2.1 in)
1899	58.7 mm (2.3 in)
1900	67.1 mm (2.6 in)
1901	86.6 mm (3.4 in)
1902	64.3 mm (2.5 in)
1903	28.2 mm (1.1 in)
1904	55.9 mm (2.2 in)
1905	63.5 mm (2.5 in)
1906	63.0 mm (2.5 in)
1907	53.9 mm (2.1 in)
1908	39.9 mm (1.6 in)
1909	75.7 mm (3.0 in)
1910	66.1 mm (2.6 in)
1911	76.7 mm (3.0 in)
1912	41.4 mm (1.6 in)
1913	65.3 mm (2.6 in)
1914	35.6 mm (1.4 in)
1915	39.3 mm (1.5 in)
1916	128.8 mm (5.1 in)
1917	41.6 mm (1.6 in)
1918	77.5 mm (3.1 in)
1919	43.2 mm (1.7 in)
1920	47.0 mm (1.9 in)
1921	106.9 mm (4.2 in)
1922	50.3 mm (2.0 in)
1923	77.5 mm (3.1 in)
1924	47.0 mm (1.9 in)
1925	48.8 mm (1.9 in)
1926	30.7 mm (1.2 in)
1927	25.9 mm (1.0 in)
1928	144.0 mm (5.7 in)
1929	80.0 mm (3.1 in)
1930	37.9 mm (1.5 in)
1931	142.2 mm (5.6 in)
1932	150.8 mm (5.9 in)
1933	67.5 mm (2.7 in)
1934	48.2 mm (1.9 in)
1935	81.7 mm (3.2 in)
1936	40.9 mm (1.6 in)
1937	67.5 mm (2.7 in)
1938	42.7 mm (1.7 in)
1939	60.7 mm (2.4 in)
1940	69.1 mm (2.7 in)
1941	42.5 mm (1.7 in)
1942	62.4 mm (2.5 in)
1943	31.5 mm (1.2 in)
1944	45.2 mm (1.8 in)
1945	42.6 mm (1.7 in)
1946	28.5 mm (1.1 in)
1947	28.7 mm (1.1 in)
1948	85.8 mm (3.4 in)
1949	79.7 mm (3.1 in)
1950	54.6 mm (2.1 in)
1951	46.2 mm (1.8 in)
1952	54.3 mm (2.1 in)
1953	105.5 mm (4.2 in)
1954	58.0 mm (2.3 in)
1955	36.5 mm (1.4 in)
1956	81.0 mm (3.2 in)
1957	35.5 mm (1.4 in)
1958	56.0 mm (2.2 in)
1959	49.0 mm (1.9 in)
1960	36.0 mm (1.4 in)
1961	75.0 mm (3.0 in)
1962	31.5 mm (1.2 in)
1963	69.9 mm (2.8 in)
1964	56.5 mm (2.2 in)
1965	39.7 mm (1.6 in)
1966	19.0 mm (0.7 in)
1967	56.1 mm (2.2 in)
1968	59.5 mm (2.3 in)
1969	47.5 mm (1.9 in)
1970	97.5 mm (3.8 in)
1971	94.4 mm (3.7 in)
1972	40.3 mm (1.6 in)
1973	40.0 mm (1.6 in)
1974	82.3 mm (3.2 in)
1975	42.4 mm (1.7 in)
1976	56.5 mm (2.2 in)
1977	118.5 mm (4.7 in)
1978	66.0 mm (2.6 in)
1979	52.0 mm (2.0 in)
1980	n/a
1981	n/a
1982	n/a
1983	n/a
1984	n/a
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	28.0 mm (1.1 in)
1991	27.5 mm (1.1 in)
1992	21.4 mm (0.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Graaff Reinet, 1878 to 1992. The record is 133 days in 1889, marked on the chart; the median year is 48 days.

Longest dry spell (CDD) at Graaff Reinet by year
Year	Longest dry spell (CDD)
1878	40 days
1879	56 days
1880	19 days
1881	44 days
1882	44 days
1883	34 days
1884	84 days
1885	88 days
1886	71 days
1887	51 days
1888	40 days
1889	133 days
1890	46 days
1891	25 days
1892	34 days
1893	44 days
1894	54 days
1895	92 days
1896	33 days
1897	42 days
1898	60 days
1899	80 days
1900	40 days
1901	84 days
1902	56 days
1903	47 days
1904	49 days
1905	52 days
1906	35 days
1907	58 days
1908	28 days
1909	48 days
1910	37 days
1911	56 days
1912	42 days
1913	41 days
1914	41 days
1915	35 days
1916	72 days
1917	32 days
1918	46 days
1919	92 days
1920	40 days
1921	36 days
1922	36 days
1923	60 days
1924	54 days
1925	29 days
1926	64 days
1927	61 days
1928	52 days
1929	49 days
1930	49 days
1931	41 days
1932	48 days
1933	49 days
1934	62 days
1935	42 days
1936	42 days
1937	52 days
1938	52 days
1939	31 days
1940	86 days
1941	54 days
1942	38 days
1943	52 days
1944	69 days
1945	69 days
1946	54 days
1947	61 days
1948	73 days
1949	114 days
1950	43 days
1951	66 days
1952	33 days
1953	55 days
1954	54 days
1955	59 days
1956	77 days
1957	38 days
1958	65 days
1959	52 days
1960	57 days
1961	75 days
1962	64 days
1963	36 days
1964	71 days
1965	36 days
1966	100 days
1967	50 days
1968	65 days
1969	48 days
1970	39 days
1971	45 days
1972	48 days
1973	46 days
1974	46 days
1975	49 days
1976	43 days
1977	36 days
1978	66 days
1979	46 days
1980	1 day
1981	1 day
1982	n/a
1983	n/a
1984	n/a
1985	1 day
1986	1 day
1987	1 day
1988	n/a
1989	1 day
1990	38 days
1991	36 days
1992	31 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

82 years, 1878 to 1991

A day with at least 39.9 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 96.3 mm (3.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Graaff Reinet: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	39.9 mm (1.6 in)
5 years	55.5 mm (2.2 in)
10 years	65.6 mm (2.6 in)
25 years	78.2 mm (3.1 in)
50 years	87.4 mm (3.4 in)
100 years	96.3 mm (3.8 in)	Longer than the 82 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 82 years of values from 1878 to 1991.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 88.5 mm (3.5 in) in 1977; 87.6 mm (3.4 in) in 1931; 84.1 mm (3.3 in) in 1916.

Download the Data

Data for Graaff Reinet standing records by year: CSV or JSON. Field meanings are on the data page.
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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).