Most Yearly Precipitation in Riverside History

This is a list of the largest annual precipitation totals ever recorded in Riverside, California history from 1893–2024.
What Was the Wettest Year in Riverside History?
According to NOAA records, the most precipitation that Riverside, California has ever received in a single calendar year is 22.9 inches which occurred in 1983.
Year to date though March 26, 2024: 9.9 inches
Riverside Precipitation by Year
  • Years marked with a gold background have more than 5% incomplete data
  • Click column headers to sort
Year Rank Precipitation (inches)
2024 56 9.9
2023 34 13.2
2022 116 4.5
2021 89 7.3
2020 86 7.8
2019 27 14.5
2018 90 7.2
2017 71 8.5
2016 57 9.5
2015 87 7.5
2014 110 5.3
2013 123 3.4
2012 113 4.8
2011 94 6.9
2010 15 16.4
2009 107 5.5
2008 121 3.6
2007 127 1.4
2006 99 6.1
2005 18 16.2
2004 52 10.3
2003 53 10.3
2002 120 3.6
2001 48 10.5
2000 102 5.8
1999 118 4.2
1998 9 17.9
1997 66 8.7
1996 69 8.6
1995 16 16.3
1994 70 8.5
1993 14 16.8
1992 35 12.8
1991 41 11.8
1990 103 5.8
1989 125 2.7
1988 85 7.8
1987 61 9.1
1986 62 9.0
1985 104 5.8
1984 105 5.8
1983 1 22.9
1982 29 13.8
1981 73 8.3
1980 28 14.4
1979 44 11.7
1978 3 21.5
1977 64 9.0
1976 74 8.3
1975 97 6.6
1974 77 8.0
1973 78 8.0
1972 117 4.3
1971 101 5.9
1970 59 9.3
1969 10 17.8
1968 98 6.2
1967 60 9.2
1966 65 8.8
1965 20 16.0
1964 109 5.3
1963 55 10.1
1962 91 7.2
1961 122 3.6
1960 92 7.1
1959 112 4.9
1958 39 12.1
1957 40 12.0
1956 79 7.9
1955 93 7.1
1954 47 11.3
1953 114 4.7
1952 12 17.1
1951 49 10.4
1950 100 6.1
1949 83 7.8
1948 88 7.4
1947 119 3.7
1946 54 10.2
1945 37 12.4
1944 43 11.8
1943 13 17.0
1942 124 3.3
1941 2 22.0
1940 23 15.7
1939 82 7.8
1938 4 19.3
1937 30 13.8
1936 11 17.6
1935 45 11.4
1934 106 5.6
1933 83 7.8
1932 58 9.4
1931 19 16.2
1930 32 13.6
1929 111 5.2
1928 95 6.8
1927 21 16.0
1926 25 15.0
1925 72 8.5
1924 81 7.9
1923 68 8.6
1922 31 13.7
1921 6 18.9
1920 46 11.3
1919 67 8.7
1918 36 12.7
1917 108 5.5
1916 17 16.2
1915 22 15.8
1914 24 15.6
1913 63 9.0
1912 76 8.2
1911 42 11.8
1910 115 4.7
1909 8 18.1
1908 51 10.4
1907 33 13.5
1906 5 19.0
1905 7 18.4
1904 96 6.6
1903 50 10.4
1902 75 8.2
1901 128 0.9
1900 129 0.0
1899 129 0.0
1898 129 0.0
1897 129 0.0
1896 126 1.7
1895 38 12.3
1894 80 7.9
1893 26 14.6