Royal Observatory Weather Records (SF000208660)
Record envelope, standing records and threshold days for Royal Observatory (SF000208660), South Africa, with 148 years of record.
Key Facts for Royal Observatory
- Royal Observatory (SF000208660) is a weather station in South Africa at -33.93 latitude and 18.48 longitude, 40 m (131 ft) above sea level.
- The station reports from 1850 to 1997, 148 years of record.
- 0 records set at Royal Observatory still stand.
- Records are tracked for prcp: an element needs 30 years of data to be eligible.
- Royal Observatory set a daily record precipitation of 18.8 mm (0.7 in) on 19 November 1996.
About the Station
- Location: South Africa, -33.93 latitude, 18.48 longitude.
- Elevation: 40 m (131 ft).
- Period of record: 1850 to 1997, 148 years.
- Eligible elements: prcp.
Daily Record Envelope and 2026
0 days at or beyond a record| Month | Highest record high | Lowest record low | 2026 highest maximum | 2026 lowest minimum |
|---|---|---|---|---|
| Jan | n/a | n/a | n/a | n/a |
| Feb | n/a | n/a | n/a | n/a |
| Mar | n/a | n/a | n/a | n/a |
| Apr | n/a | n/a | n/a | n/a |
| May | n/a | n/a | n/a | n/a |
| Jun | n/a | n/a | n/a | n/a |
| Jul | n/a | n/a | n/a | n/a |
| Aug | n/a | n/a | n/a | n/a |
| Sep | n/a | n/a | n/a | n/a |
| Oct | n/a | n/a | n/a | n/a |
| Nov | n/a | n/a | n/a | n/a |
| Dec | n/a | n/a | n/a | n/a |
Which Years Hold Standing Records
0 standing records| Year set | Standing records |
|---|
All-Time Record Progression
2 new records| Date | Kind | Detail |
|---|---|---|
| 1891-07-03 | Record daily precipitation | Record daily precipitation 85.3 mm (3.4 in) |
| 1902-10-27 | Record daily precipitation | Record daily precipitation 99.0 mm (3.9 in) |
Wettest Day of Each Month
Oct: 99.0 mm (3.9 in)| Month | Record daily precipitation (mm) | Date |
|---|---|---|
| Jan | 63.0 mm (2.5 in) | 16 January 1963 |
| Feb | 57.9 mm (2.3 in) | 2 February 1866 |
| Mar | 90.3 mm (3.6 in) | 11 March 1976 |
| Apr | 71.1 mm (2.8 in) | 18 April 1951 |
| May | 96.5 mm (3.8 in) | 19 May 1911 |
| Jun | 85.5 mm (3.4 in) | 7 June 1968 |
| Jul | 85.3 mm (3.4 in) | 3 July 1891 |
| Aug | 67.3 mm (2.6 in) | 18 August 1872 |
| Sep | 51.0 mm (2.0 in) | 5 September 1971 |
| Oct | 99.0 mm (3.9 in) | 27 October 1902 |
| Nov | 49.0 mm (1.9 in) | 13 November 1923 |
| Dec | 51.8 mm (2.0 in) | 24 December 1875 |
Latest Records
20| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 19 November 1996 | Royal Observatory, ZA | daily rain | 18.8 mm (0.7 in) | 6.8 mm (0.27 in) | 145 years | 20 of 100 (Routine) |
| 24 September 1996 | Royal Observatory, ZA | daily rain | 27.1 mm (1.1 in) | 6.5 mm (0.26 in) | 84 years | 45 of 100 (Notable) |
| 12 August 1996 | Royal Observatory, ZA | daily rain | 26.3 mm (1.0 in) | 0.3 mm (0.01 in) | 16 years | 14 of 100 (Routine) |
| 30 May 1996 | Royal Observatory, ZA | daily rain | 31.5 mm (1.2 in) | 2.4 mm (0.09 in) | 39 years | 23 of 100 (Routine) |
| 22 February 1996 | Royal Observatory, ZA | daily rain | 4.9 mm (0.19 in) | 2.2 mm (0.09 in) | 108 years | 20 of 100 (Routine) |
| 12 February 1996 | Royal Observatory, ZA | daily rain | 21.0 mm (0.8 in) | 4.2 mm (0.17 in) | 97 years | 20 of 100 (Routine) |
| 31 January 1995 | Royal Observatory, ZA | daily rain | 34.5 mm (1.4 in) | 19.7 mm (0.8 in) | 20 years | 49 of 100 (Notable) |
| 20 October 1994 | Royal Observatory, ZA | daily rain | 16.3 mm (0.6 in) | 3.4 mm (0.13 in) | 60 years | 20 of 100 (Routine) |
| 12 January 1994 | Royal Observatory, ZA | daily rain | 14.5 mm (0.6 in) | 0.8 mm (0.03 in) | 56 years | 20 of 100 (Routine) |
| 2 May 1993 | Royal Observatory, ZA | daily rain | 56.0 mm (2.2 in) | 28.6 mm (1.1 in) | 131 years | 69 of 100 (Major) |
| 14 February 1993 | Royal Observatory, ZA | daily rain | 36.4 mm (1.4 in) | 16.1 mm (0.6 in) | 107 years | 67 of 100 (Major) |
| 20 February 1990 | Royal Observatory, ZA | daily rain | 18.6 mm (0.7 in) | 6.1 mm (0.24 in) | 12 years | 20 of 100 (Routine) |
| 15 February 1990 | Royal Observatory, ZA | daily rain | 32.0 mm (1.3 in) | 17.8 mm (0.7 in) | 92 years | 67 of 100 (Major) |
| 30 January 1990 | Royal Observatory, ZA | daily rain | 31.0 mm (1.2 in) | 15.4 mm (0.6 in) | 139 years | 66 of 100 (Major) |
| 17 November 1989 | Royal Observatory, ZA | daily rain | 32.6 mm (1.3 in) | 9.7 mm (0.38 in) | 23 years | 33 of 100 (Routine) |
| 8 October 1989 | Royal Observatory, ZA | daily rain | 28.0 mm (1.1 in) | 9.5 mm (0.37 in) | 104 years | 53 of 100 (Notable) |
| 10 May 1989 | Royal Observatory, ZA | daily rain | 28.1 mm (1.1 in) | 2.2 mm (0.09 in) | 52 years | 27 of 100 (Routine) |
| 29 March 1989 | Royal Observatory, ZA | daily rain | 34.5 mm (1.4 in) | 15.4 mm (0.6 in) | 80 years | 55 of 100 (Notable) |
| 13 March 1989 | Royal Observatory, ZA | daily rain | 19.0 mm (0.7 in) | 8.1 mm (0.32 in) | 4 years | 20 of 100 (Routine) |
| 1 March 1989 | Royal Observatory, ZA | daily rain | 15.0 mm (0.6 in) | 6.7 mm (0.26 in) | 8 years | 20 of 100 (Routine) |
Extremes by Year
1850 to 1997| Measure | Record | Year of the record | Median year | Years with a value |
|---|---|---|---|---|
| Wettest day (Rx1day) | 99.0 mm (3.9 in) | 1902 | 41.2 mm (1.6 in) | 146 |
| Wettest five days (Rx5day) | 154.0 mm (6.1 in) | 1905 | 69.7 mm (2.7 in) | 146 |
| Longest dry spell (CDD) | 74 days | 1915 | 33 days | 146 |
Wettest day (Rx1day)
| Year | Wettest day (Rx1day) |
|---|---|
| 1850 | 42.2 mm (1.7 in) |
| 1851 | 73.2 mm (2.9 in) |
| 1852 | 60.7 mm (2.4 in) |
| 1853 | 39.4 mm (1.6 in) |
| 1854 | 26.4 mm (1.0 in) |
| 1855 | 41.2 mm (1.6 in) |
| 1856 | 52.1 mm (2.1 in) |
| 1857 | 35.1 mm (1.4 in) |
| 1858 | 48.0 mm (1.9 in) |
| 1859 | 52.5 mm (2.1 in) |
| 1860 | 71.6 mm (2.8 in) |
| 1861 | 55.4 mm (2.2 in) |
| 1862 | 42.2 mm (1.7 in) |
| 1863 | 41.9 mm (1.6 in) |
| 1864 | 39.6 mm (1.6 in) |
| 1865 | 48.2 mm (1.9 in) |
| 1866 | 57.9 mm (2.3 in) |
| 1867 | 27.4 mm (1.1 in) |
| 1868 | 40.9 mm (1.6 in) |
| 1869 | 45.9 mm (1.8 in) |
| 1870 | 50.8 mm (2.0 in) |
| 1871 | 30.2 mm (1.2 in) |
| 1872 | 67.3 mm (2.6 in) |
| 1873 | 34.3 mm (1.4 in) |
| 1874 | 32.0 mm (1.3 in) |
| 1875 | 51.8 mm (2.0 in) |
| 1876 | 58.7 mm (2.3 in) |
| 1877 | 43.7 mm (1.7 in) |
| 1878 | 10.2 mm (0.4 in) |
| 1879 | 32.3 mm (1.3 in) |
| 1880 | 34.3 mm (1.4 in) |
| 1881 | 57.4 mm (2.3 in) |
| 1882 | 48.8 mm (1.9 in) |
| 1883 | 30.5 mm (1.2 in) |
| 1884 | 41.4 mm (1.6 in) |
| 1885 | 34.0 mm (1.3 in) |
| 1886 | 45.5 mm (1.8 in) |
| 1887 | 40.4 mm (1.6 in) |
| 1888 | 41.1 mm (1.6 in) |
| 1889 | 46.2 mm (1.8 in) |
| 1890 | 36.6 mm (1.4 in) |
| 1891 | 85.3 mm (3.4 in) |
| 1892 | 51.3 mm (2.0 in) |
| 1893 | 65.3 mm (2.6 in) |
| 1894 | 31.2 mm (1.2 in) |
| 1895 | 49.5 mm (1.9 in) |
| 1896 | 33.3 mm (1.3 in) |
| 1897 | 54.6 mm (2.1 in) |
| 1898 | 42.9 mm (1.7 in) |
| 1899 | 47.5 mm (1.9 in) |
| 1900 | 52.8 mm (2.1 in) |
| 1901 | 55.6 mm (2.2 in) |
| 1902 | 99.0 mm (3.9 in) |
| 1903 | 48.8 mm (1.9 in) |
| 1904 | 34.5 mm (1.4 in) |
| 1905 | 65.5 mm (2.6 in) |
| 1906 | 36.1 mm (1.4 in) |
| 1907 | 27.4 mm (1.1 in) |
| 1908 | 85.3 mm (3.4 in) |
| 1909 | 46.3 mm (1.8 in) |
| 1910 | 29.2 mm (1.1 in) |
| 1911 | 96.5 mm (3.8 in) |
| 1912 | 34.5 mm (1.4 in) |
| 1913 | 37.1 mm (1.5 in) |
| 1914 | 37.8 mm (1.5 in) |
| 1915 | 46.5 mm (1.8 in) |
| 1916 | 30.0 mm (1.2 in) |
| 1917 | 80.0 mm (3.1 in) |
| 1918 | 29.0 mm (1.1 in) |
| 1919 | 30.0 mm (1.2 in) |
| 1920 | 47.0 mm (1.9 in) |
| 1921 | 32.3 mm (1.3 in) |
| 1922 | 23.4 mm (0.9 in) |
| 1923 | 49.0 mm (1.9 in) |
| 1924 | 30.2 mm (1.2 in) |
| 1925 | 50.3 mm (2.0 in) |
| 1926 | 29.7 mm (1.2 in) |
| 1927 | 30.2 mm (1.2 in) |
| 1928 | 16.9 mm (0.7 in) |
| 1929 | 33.3 mm (1.3 in) |
| 1930 | 23.4 mm (0.9 in) |
| 1931 | 32.3 mm (1.3 in) |
| 1932 | 35.0 mm (1.4 in) |
| 1933 | 21.0 mm (0.8 in) |
| 1934 | 33.8 mm (1.3 in) |
| 1935 | 38.5 mm (1.5 in) |
| 1936 | 38.2 mm (1.5 in) |
| 1937 | 74.7 mm (2.9 in) |
| 1938 | 49.0 mm (1.9 in) |
| 1939 | 43.2 mm (1.7 in) |
| 1940 | 41.7 mm (1.6 in) |
| 1941 | 41.9 mm (1.6 in) |
| 1942 | 77.0 mm (3.0 in) |
| 1943 | 34.0 mm (1.3 in) |
| 1944 | 44.7 mm (1.8 in) |
| 1945 | 47.7 mm (1.9 in) |
| 1946 | 34.3 mm (1.4 in) |
| 1947 | 33.3 mm (1.3 in) |
| 1948 | 27.2 mm (1.1 in) |
| 1949 | 27.2 mm (1.1 in) |
| 1950 | 42.2 mm (1.7 in) |
| 1951 | 71.1 mm (2.8 in) |
| 1952 | 38.1 mm (1.5 in) |
| 1953 | 32.6 mm (1.3 in) |
| 1954 | 57.2 mm (2.3 in) |
| 1955 | 33.5 mm (1.3 in) |
| 1956 | 53.8 mm (2.1 in) |
| 1957 | 48.3 mm (1.9 in) |
| 1958 | 38.5 mm (1.5 in) |
| 1959 | 56.0 mm (2.2 in) |
| 1960 | 27.5 mm (1.1 in) |
| 1961 | 38.8 mm (1.5 in) |
| 1962 | 48.4 mm (1.9 in) |
| 1963 | 63.0 mm (2.5 in) |
| 1964 | 36.9 mm (1.5 in) |
| 1965 | 25.4 mm (1.0 in) |
| 1966 | 33.0 mm (1.3 in) |
| 1967 | 30.0 mm (1.2 in) |
| 1968 | 85.5 mm (3.4 in) |
| 1969 | 30.4 mm (1.2 in) |
| 1970 | 46.0 mm (1.8 in) |
| 1971 | 51.0 mm (2.0 in) |
| 1972 | 24.7 mm (1.0 in) |
| 1973 | 32.7 mm (1.3 in) |
| 1974 | 66.9 mm (2.6 in) |
| 1975 | 60.5 mm (2.4 in) |
| 1976 | 90.3 mm (3.6 in) |
| 1977 | 56.0 mm (2.2 in) |
| 1978 | 27.1 mm (1.1 in) |
| 1979 | 32.0 mm (1.3 in) |
| 1980 | 52.5 mm (2.1 in) |
| 1981 | 42.0 mm (1.7 in) |
| 1982 | 44.5 mm (1.8 in) |
| 1983 | 53.6 mm (2.1 in) |
| 1984 | 33.6 mm (1.3 in) |
| 1985 | 50.0 mm (2.0 in) |
| 1986 | 36.5 mm (1.4 in) |
| 1989 | 34.5 mm (1.4 in) |
| 1990 | 33.0 mm (1.3 in) |
| 1991 | 32.6 mm (1.3 in) |
| 1992 | 33.0 mm (1.3 in) |
| 1993 | 56.0 mm (2.2 in) |
| 1994 | 28.9 mm (1.1 in) |
| 1995 | 34.5 mm (1.4 in) |
| 1996 | 31.5 mm (1.2 in) |
| 1997 | 25.5 mm (1.0 in) |
Wettest five days (Rx5day)
| Year | Wettest five days (Rx5day) |
|---|---|
| 1850 | 83.7 mm (3.3 in) |
| 1851 | 112.9 mm (4.4 in) |
| 1852 | 92.9 mm (3.7 in) |
| 1853 | 63.4 mm (2.5 in) |
| 1854 | 44.3 mm (1.7 in) |
| 1855 | 59.6 mm (2.3 in) |
| 1856 | 88.5 mm (3.5 in) |
| 1857 | 56.2 mm (2.2 in) |
| 1858 | 84.4 mm (3.3 in) |
| 1859 | 126.2 mm (5.0 in) |
| 1860 | 120.2 mm (4.7 in) |
| 1861 | 84.6 mm (3.3 in) |
| 1862 | 84.9 mm (3.3 in) |
| 1863 | 57.3 mm (2.3 in) |
| 1864 | 64.0 mm (2.5 in) |
| 1865 | 68.2 mm (2.7 in) |
| 1866 | 69.5 mm (2.7 in) |
| 1867 | 59.9 mm (2.4 in) |
| 1868 | 47.9 mm (1.9 in) |
| 1869 | 116.3 mm (4.6 in) |
| 1870 | 111.8 mm (4.4 in) |
| 1871 | 50.7 mm (2.0 in) |
| 1872 | 83.8 mm (3.3 in) |
| 1873 | 101.8 mm (4.0 in) |
| 1874 | 52.1 mm (2.1 in) |
| 1875 | 55.8 mm (2.2 in) |
| 1876 | 69.5 mm (2.7 in) |
| 1877 | 100.5 mm (4.0 in) |
| 1878 | 13.0 mm (0.5 in) |
| 1879 | 50.3 mm (2.0 in) |
| 1880 | 50.9 mm (2.0 in) |
| 1881 | 95.1 mm (3.7 in) |
| 1882 | 110.6 mm (4.4 in) |
| 1883 | 63.6 mm (2.5 in) |
| 1884 | 69.9 mm (2.8 in) |
| 1885 | 76.9 mm (3.0 in) |
| 1886 | 64.3 mm (2.5 in) |
| 1887 | 59.9 mm (2.4 in) |
| 1888 | 82.2 mm (3.2 in) |
| 1889 | 99.1 mm (3.9 in) |
| 1890 | 74.1 mm (2.9 in) |
| 1891 | 113.4 mm (4.5 in) |
| 1892 | 86.7 mm (3.4 in) |
| 1893 | 100.4 mm (4.0 in) |
| 1894 | 49.6 mm (2.0 in) |
| 1895 | 70.4 mm (2.8 in) |
| 1896 | 47.5 mm (1.9 in) |
| 1897 | 81.0 mm (3.2 in) |
| 1898 | 84.5 mm (3.3 in) |
| 1899 | 107.7 mm (4.2 in) |
| 1900 | 68.7 mm (2.7 in) |
| 1901 | 103.4 mm (4.1 in) |
| 1902 | 113.4 mm (4.5 in) |
| 1903 | 75.2 mm (3.0 in) |
| 1904 | 74.5 mm (2.9 in) |
| 1905 | 154.0 mm (6.1 in) |
| 1906 | 64.9 mm (2.6 in) |
| 1907 | 54.2 mm (2.1 in) |
| 1908 | 97.7 mm (3.8 in) |
| 1909 | 105.4 mm (4.1 in) |
| 1910 | 51.2 mm (2.0 in) |
| 1911 | 104.5 mm (4.1 in) |
| 1912 | 48.6 mm (1.9 in) |
| 1913 | 72.1 mm (2.8 in) |
| 1914 | 79.0 mm (3.1 in) |
| 1915 | 125.2 mm (4.9 in) |
| 1916 | 44.8 mm (1.8 in) |
| 1917 | 141.1 mm (5.6 in) |
| 1918 | 57.5 mm (2.3 in) |
| 1919 | 47.4 mm (1.9 in) |
| 1920 | 68.8 mm (2.7 in) |
| 1921 | 74.4 mm (2.9 in) |
| 1922 | 42.0 mm (1.7 in) |
| 1923 | 69.6 mm (2.7 in) |
| 1924 | 50.0 mm (2.0 in) |
| 1925 | 137.4 mm (5.4 in) |
| 1926 | 67.3 mm (2.6 in) |
| 1927 | 63.4 mm (2.5 in) |
| 1928 | 41.9 mm (1.6 in) |
| 1929 | 63.5 mm (2.5 in) |
| 1930 | 52.4 mm (2.1 in) |
| 1931 | 64.5 mm (2.5 in) |
| 1932 | 57.0 mm (2.2 in) |
| 1933 | 47.2 mm (1.9 in) |
| 1934 | 66.3 mm (2.6 in) |
| 1935 | 59.0 mm (2.3 in) |
| 1936 | 54.4 mm (2.1 in) |
| 1937 | 112.1 mm (4.4 in) |
| 1938 | 83.8 mm (3.3 in) |
| 1939 | 62.5 mm (2.5 in) |
| 1940 | 106.7 mm (4.2 in) |
| 1941 | 103.4 mm (4.1 in) |
| 1942 | 119.8 mm (4.7 in) |
| 1943 | 58.7 mm (2.3 in) |
| 1944 | 144.5 mm (5.7 in) |
| 1945 | 104.6 mm (4.1 in) |
| 1946 | 53.3 mm (2.1 in) |
| 1947 | 96.6 mm (3.8 in) |
| 1948 | 59.7 mm (2.4 in) |
| 1949 | 51.4 mm (2.0 in) |
| 1950 | 103.0 mm (4.1 in) |
| 1951 | 111.4 mm (4.4 in) |
| 1952 | 54.1 mm (2.1 in) |
| 1953 | 86.9 mm (3.4 in) |
| 1954 | 127.4 mm (5.0 in) |
| 1955 | 69.7 mm (2.7 in) |
| 1956 | 79.8 mm (3.1 in) |
| 1957 | 89.0 mm (3.5 in) |
| 1958 | 56.7 mm (2.2 in) |
| 1959 | 95.2 mm (3.7 in) |
| 1960 | 75.7 mm (3.0 in) |
| 1961 | 85.1 mm (3.4 in) |
| 1962 | 73.4 mm (2.9 in) |
| 1963 | 63.6 mm (2.5 in) |
| 1964 | 46.9 mm (1.8 in) |
| 1965 | 57.0 mm (2.2 in) |
| 1966 | 56.4 mm (2.2 in) |
| 1967 | 64.1 mm (2.5 in) |
| 1968 | 109.5 mm (4.3 in) |
| 1969 | 61.4 mm (2.4 in) |
| 1970 | 57.9 mm (2.3 in) |
| 1971 | 72.1 mm (2.8 in) |
| 1972 | 53.6 mm (2.1 in) |
| 1973 | 47.9 mm (1.9 in) |
| 1974 | 144.3 mm (5.7 in) |
| 1975 | 132.7 mm (5.2 in) |
| 1976 | 90.3 mm (3.6 in) |
| 1977 | 74.0 mm (2.9 in) |
| 1978 | 52.4 mm (2.1 in) |
| 1979 | 35.6 mm (1.4 in) |
| 1980 | 83.3 mm (3.3 in) |
| 1981 | 50.8 mm (2.0 in) |
| 1982 | 68.7 mm (2.7 in) |
| 1983 | 95.0 mm (3.7 in) |
| 1984 | 36.8 mm (1.4 in) |
| 1985 | 76.7 mm (3.0 in) |
| 1986 | 71.9 mm (2.8 in) |
| 1989 | 48.1 mm (1.9 in) |
| 1990 | 60.5 mm (2.4 in) |
| 1991 | 57.5 mm (2.3 in) |
| 1992 | 52.6 mm (2.1 in) |
| 1993 | 83.0 mm (3.3 in) |
| 1994 | 49.2 mm (1.9 in) |
| 1995 | 35.4 mm (1.4 in) |
| 1996 | 70.5 mm (2.8 in) |
| 1997 | 49.7 mm (2.0 in) |
Longest dry spell (CDD)
| Year | Longest dry spell (CDD) |
|---|---|
| 1850 | 18 days |
| 1851 | 59 days |
| 1852 | 28 days |
| 1853 | 27 days |
| 1854 | 25 days |
| 1855 | 39 days |
| 1856 | 30 days |
| 1857 | 56 days |
| 1858 | 33 days |
| 1859 | 34 days |
| 1860 | 23 days |
| 1861 | 40 days |
| 1862 | 40 days |
| 1863 | 34 days |
| 1864 | 48 days |
| 1865 | 19 days |
| 1866 | 32 days |
| 1867 | 22 days |
| 1868 | 25 days |
| 1869 | 43 days |
| 1870 | 33 days |
| 1871 | 34 days |
| 1872 | 20 days |
| 1873 | 33 days |
| 1874 | 25 days |
| 1875 | 49 days |
| 1876 | 58 days |
| 1877 | 27 days |
| 1878 | 15 days |
| 1879 | 23 days |
| 1880 | 18 days |
| 1881 | 38 days |
| 1882 | 23 days |
| 1883 | 28 days |
| 1884 | 24 days |
| 1885 | 30 days |
| 1886 | 45 days |
| 1887 | 30 days |
| 1888 | 54 days |
| 1889 | 31 days |
| 1890 | 23 days |
| 1891 | 24 days |
| 1892 | 19 days |
| 1893 | 57 days |
| 1894 | 51 days |
| 1895 | 46 days |
| 1896 | 32 days |
| 1897 | 24 days |
| 1898 | 33 days |
| 1899 | 45 days |
| 1900 | 18 days |
| 1901 | 20 days |
| 1902 | 38 days |
| 1903 | 28 days |
| 1904 | 41 days |
| 1905 | 40 days |
| 1906 | 41 days |
| 1907 | 27 days |
| 1908 | 20 days |
| 1909 | 66 days |
| 1910 | 43 days |
| 1911 | 25 days |
| 1912 | 28 days |
| 1913 | 28 days |
| 1914 | 31 days |
| 1915 | 74 days |
| 1916 | 24 days |
| 1917 | 60 days |
| 1918 | 36 days |
| 1919 | 29 days |
| 1920 | 39 days |
| 1921 | 20 days |
| 1922 | 27 days |
| 1923 | 21 days |
| 1924 | 38 days |
| 1925 | 60 days |
| 1926 | 44 days |
| 1927 | 29 days |
| 1928 | 26 days |
| 1929 | 51 days |
| 1930 | 26 days |
| 1931 | 41 days |
| 1932 | 21 days |
| 1933 | 60 days |
| 1934 | 34 days |
| 1935 | 27 days |
| 1936 | 34 days |
| 1937 | 37 days |
| 1938 | 22 days |
| 1939 | 46 days |
| 1940 | 19 days |
| 1941 | 22 days |
| 1942 | 20 days |
| 1943 | 27 days |
| 1944 | 31 days |
| 1945 | 59 days |
| 1946 | 26 days |
| 1947 | 29 days |
| 1948 | 20 days |
| 1949 | 34 days |
| 1950 | 21 days |
| 1951 | 60 days |
| 1952 | 46 days |
| 1953 | 42 days |
| 1954 | 26 days |
| 1955 | 47 days |
| 1956 | 35 days |
| 1957 | 34 days |
| 1958 | 43 days |
| 1959 | 24 days |
| 1960 | 41 days |
| 1961 | 18 days |
| 1962 | 26 days |
| 1963 | 48 days |
| 1964 | 40 days |
| 1965 | 28 days |
| 1966 | 29 days |
| 1967 | 37 days |
| 1968 | 6 days |
| 1969 | 20 days |
| 1970 | 30 days |
| 1971 | 44 days |
| 1972 | 44 days |
| 1973 | 52 days |
| 1974 | 32 days |
| 1975 | 26 days |
| 1976 | 39 days |
| 1977 | 24 days |
| 1978 | 32 days |
| 1979 | 44 days |
| 1980 | 34 days |
| 1981 | 32 days |
| 1982 | 39 days |
| 1983 | 39 days |
| 1984 | 33 days |
| 1985 | 51 days |
| 1986 | 35 days |
| 1989 | 53 days |
| 1990 | 49 days |
| 1991 | 40 days |
| 1992 | 32 days |
| 1993 | 35 days |
| 1994 | 38 days |
| 1995 | 65 days |
| 1996 | 42 days |
| 1997 | 39 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
125 years, 1850 to 1989A day with at least 41.1 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 101.7 mm (4.0 in) of rain is expected about once in 100 years.
| Expected about once in | A day with at least | Note |
|---|---|---|
| 2 years | 41.1 mm (1.6 in) | |
| 5 years | 55.0 mm (2.2 in) | |
| 10 years | 65.1 mm (2.6 in) | |
| 25 years | 78.9 mm (3.1 in) | |
| 50 years | 90.0 mm (3.5 in) | |
| 100 years | 101.7 mm (4.0 in) |
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 125 years of values from 1850 to 1989.
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: 99.0 mm (3.9 in) in 1902; 96.5 mm (3.8 in) in 1911; 90.3 mm (3.6 in) in 1976.
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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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2025-12-31).