| St. Louis Wettest and Driest Seasons | ||||||||||||
| Wettest Summer | Driest Summer | Wettest Winter | Driest Winter | |||||||||
| 1 | 27.22 | 1915 | 1 | 3.16 | 1930 | 1 | 15.26 | 1949/1950 | 1 | 2.30 | 1876/1877 | |
| 2 | 23.00 | 1875 | 2 | 4.09 | 1926 | 2 | 13.65 | 1915/1916 | 2 | 2.38 | 1953/1954 | |
| 3 | 19.89 | 1948 | 3 | 4.13 | 1894 | 3 | 13.14 | 1881/1882 | 3 | 2.85 | 1969/1970 | |
| 4 | 19.84 | 1981 | 4 | 4.14 | 1984 | 4 | 13.03 | 1987/1988 | 4 | 2.96 | 1871/1872 | |
| 5 | 19.14 | 1982 | 5 | 4.21 | 1953 | 5 | 12.62 | 2004/2005 | 5 | 2.98 | 1962/1963 | |
| 6 | 18.74 | 1928 | 6 | 4.52 | 1936 | 6 | 12.04 | 1973/1974 | 6 | 3.07 | 1930/1931 | |
| 7 | 18.72 | 1946 | 7 | 4.68 | 1959 | 7 | 11.90 | 1873/1874 | 7 | 3.38 | 1900/1901 | |
| 8 | 18.32 | 1985 | 8 | 5.01 | 1922 | 8 | 11.36 | 1889/1890 | 8 | 3.48 | 1980/1981 | |
| 9 | 17.48 | 1942 | 9 | 5.18 | 1881 | 9 | 11.12 | 1929/1930 | 9 | 3.61 | 1939/1940 | |
| 10 | 17.40 | 2003 | 10 | 5.23 | 1941 | 10 | 10.68 | 1974/1975 | 10 | 3.81 | 1919/1920 | |
| 11 | 17.36 | 1876 | 11 | 5.38 | 1933 | 11 | 10.56 | 1906/1907 | 11 | 4.00 | 1935/1936 | |
| 12 | 16.96 | 1993 | 12 | 5.49 | 1911 | 12 | 10.31 | 1884/1885 | 12 | 4.02 | 1979/1980 | |
| 13 | 16.84 | 1888 | 13 | 5.78 | 1917 | 13 | 10.03 | 1875/1876 | 13 | 4.18 | 1917/1918 | |
| 14 | 16.44 | 1958 | 14 | 5.87 | 1976 | 14 | 9.95 | 1992/1993 | 14 | 4.19 | 1975/1976 | |
| 15 | 16.43 | 1932 | 15 | 5.98 | 1890 | 15 | 9.88 | 1948/1949 | 15 | 4.23 | 1959/1960 | |
| 16 | 16.25 | 1969 | 16 | 6.15 | 1901 | 16 | 9.83 | 1888/1889 | 16 | 4.23 | 1916/1917 | |
| 17 | 15.86 | 1916 | 17 | 6.30 | 1940 | 17 | 9.67 | 1897/1898 | 17 | 4.29 | 1952/1953 | |
| 18 | 15.74 | 1957 | 18 | 6.42 | 1968 | 18 | 9.49 | 1982/1983 | 18 | 4.36 | 1918/1919 | |
| 19 | 15.64 | 1998 | 19 | 6.42 | 1920 | 19 | 9.45 | 1998/1999 | 19 | 4.43 | 1941/1942 | |
| 20 | 15.40 | 1902 | 20 | 6.42 | 1887 | 20 | 9.32 | 1879/1880 | 20 | 4.44 | 1986/1987 | |
| 21 | 15.09 | 1977 | 21 | 6.57 | 1966 | 21 | 9.31 | 1938/1939 | 21 | 4.45 | 1955/1956 | |
| 22 | 14.87 | 1912 | 22 | 6.60 | 1991 | 22 | 9.19 | 1984/1985 | 22 | 4.58 | 1960/1961 | |
| 23 | 14.55 | 1903 | 23 | 6.63 | 1893 | 23 | 9.15 | 1967/1968 | 23 | 4.59 | 1920/1921 | |
| 24 | 14.32 | 1924 | 24 | 6.75 | 1913 | 24 | 9.02 | 1990/1991 | 24 | 4.59 | 1874/1875 | |
| 25 | 14.19 | 1987 | 25 | 6.80 | 1997 | 25 | 8.90 | 1895/1896 | 25 | 4.60 | 1942/1943 | |
| 26 | 14.18 | 1877 | 26 | 6.98 | 1972 | 26 | 8.82 | 1936/1937 | 26 | 4.62 | 1943/1944 | |
| 27 | 14.11 | 2000 | 27 | 7.04 | 1914 | 27 | 8.71 | 1902/1903 | 27 | 4.67 | 1963/1964 | |
| 28 | 14.07 | 1939 | 28 | 7.11 | 1921 | 28 | 8.63 | 1882/1883 | 28 | 4.68 | 1933/1934 | |
| 29 | 13.22 | 1885 | 29 | 7.21 | 1971 | 29 | 8.56 | 1922/1923 | 29 | 4.70 | 1946/1947 | |
| 30 | 13.19 | 1949 | 30 | 7.30 | 1988 | 30 | 8.55 | 1905/1906 | 30 | 4.81 | 1894/1895 | |
| 31 | 12.83 | 1945 | 31 | 7.33 | 1918 | 31 | 8.51 | 1956/1957 | 31 | 4.91 | 1964/1965 | |
| 32 | 12.71 | 1873 | 32 | 7.34 | 1994 | 32 | 8.47 | 1985/1986 | 32 | 4.95 | 2000/2001 | |
| 33 | 12.69 | 1883 | 33 | 7.50 | 1906 | 33 | 8.46 | 1913/1914 | 33 | 4.95 | 1904/1905 | |
| 34 | 12.64 | 1907 | 34 | 7.59 | 1889 | 34 | 8.28 | 1981/1982 | 34 | 4.98 | 2002/2003 | |
| 35 | 12.53 | 1962 | 35 | 7.60 | 1979 | 35 | 8.28 | 1968/1969 | 35 | 5.02 | 1947/1948 | |
| 36 | 12.41 | 1874 | 36 | 7.70 | 1871 | 36 | 8.08 | 1887/1888 | 36 | 5.05 | 1910/1911 | |
| 37 | 12.35 | 1923 | 37 | 7.77 | 1900 | 37 | 8.04 | 1961/1962 | 37 | 5.08 | 1993/1994 | |
| 38 | 12.16 | 1898 | 38 | 7.79 | 1983 | 38 | 8.02 | 1983/1984 | 38 | 5.11 | 1991/1992 | |
| 39 | 12.12 | 1970 | 39 | 7.79 | 1963 | 39 | 8.01 | 1971/1972 | 39 | 5.13 | 1958/1959 | |
| 40 | 11.89 | 1951 | 40 | 7.98 | 1927 | 40 | 7.94 | 1965/1966 | 40 | 5.13 | 1945/1946 | |
| 41 | 11.80 | 1895 | 41 | 8.24 | 1950 | 41 | 7.84 | 1909/1910 | 41 | 5.14 | 1970/1971 | |
| 42 | 11.78 | 1975 | 42 | 8.24 | 1879 | 42 | 7.78 | 1908/1909 | 42 | 5.15 | 1921/1922 | |
| 43 | 11.75 | 1961 | 43 | 8.41 | 1944 | 43 | 7.74 | 1996/1997 | 43 | 5.21 | 1928/1929 | |
| 44 | 11.63 | 1956 | 44 | 8.47 | 1980 | 44 | 7.73 | 1891/1892 | 44 | 5.24 | 1978/1979 | |
| 45 | 11.62 | 1996 | 45 | 8.59 | 1884 | 45 | 7.68 | 1937/1938 | 45 | 5.24 | 1903/1904 | |
| 46 | 11.43 | 1999 | 46 | 8.64 | 1934 | 46 | 7.66 | 1997/1998 | 46 | 5.25 | 1892/1893 | |
| 47 | 11.36 | 1896 | 47 | 8.73 | 1952 | 47 | 7.53 | 1907/1908 | 47 | 5.34 | 1944/1945 | |
| 48 | 11.22 | 1960 | 48 | 8.81 | 1908 | 48 | 7.49 | 1954/1955 | 48 | 5.37 | 1926/1927 | |
| 49 | 11.19 | 2005 | 49 | 8.95 | 1992 | 49 | 7.47 | 1896/1897 | 49 | 5.38 | 1957/1958 | |
| 50 | 11.07 | 1878 | 50 | 9.05 | 1947 | 50 | 7.45 | 2001/2002 | 50 | 5.44 | 1940/1941 | |