Precipitation annual maximum series (inches) Station ID: 11-8916 Station name: WALNUT State: IL Latitude (decimal degrees): 41.5539 Longitude (decimal degrees): 89.5983 Elevation (feet): 690 Duration: 01d 1.99 1893 3.68 1894 1.71 1895 2.05 1896 2.21 1897 3.74 1898 1.93 1899 2.15 1900 1.95 1901 2.55 1902 2.41 1903 2.16 1904 2.18 1905 1.99 1906 2.74 1907 2.70 1908 1.78 1909 2.24 1910 1.84 1911 3.39 1912 1.39 1913 2.54 1914 2.34 1915 1.62 1916 1.85 1917 2.40 1918 2.45 1919 1.92 1920 3.72 1921 3.12 1922 1.95 1923 2.52 1924 2.04 1925 4.08 1926 1.67 1927 2.76 1928 2.08 1929 2.15 1930 4.96 1931 2.43 1932 1.88 1933 2.03 1934 2.09 1935 2.41 1936 3.54 1937 2.92 1938 2.68 1939 1.20 1940 5.20 1941 2.01 1942 1.76 1943 1.90 1944 2.75 1945 1.82 1946 3.91 1947 3.66 1948 2.15 1949 2.28 1950 5.31 1951 1.59 1952 2.91 1953 3.90 1954 1.67 1955 2.00 1956 1.49 1957 2.48 1958 2.35 1959 2.35 1960 3.50 1961 2.32 1962 1.93 1963 1.87 1964 2.22 1965 2.40 1966 2.47 1967 2.95 1968 2.27 1969 2.43 1970 2.21 1971 2.65 1972 2.04 1973 4.08 1974 2.16 1975 1.66 1976 2.73 1977 2.26 1978 4.57 1979 -9.99 1980 4.27 1981 2.90 1982 2.55 1983 1.66 1984 2.59 1985 2.10 1986 4.55 1987 2.57 1988 2.75 1989 2.48 1990 2.14 1991 3.36 1992 2.25 1993 6.38 1994 2.83 1995 2.21 1996 2.43 1997 4.29 1998 3.15 1999 2.01 2000 Duration: 02d 1.99 1893 3.69 1894 2.48 1895 2.31 1896 3.24 1897 3.75 1898 2.68 1899 2.15 1900 2.87 1901 3.13 1902 2.74 1903 2.34 1904 3.15 1905 3.41 1906 3.87 1907 3.30 1908 1.79 1909 2.77 1910 2.91 1911 3.43 1912 1.41 1913 2.80 1914 4.35 1915 2.40 1916 2.72 1917 2.73 1918 2.62 1919 2.11 1920 5.60 1921 4.22 1922 2.40 1923 2.77 1924 2.04 1925 4.12 1926 2.03 1927 3.01 1928 3.07 1929 3.02 1930 4.99 1931 3.69 1932 2.02 1933 2.85 1934 2.96 1935 3.75 1936 5.82 1937 3.03 1938 3.68 1939 1.52 1940 5.38 1941 2.84 1942 1.93 1943 3.29 1944 2.75 1945 2.43 1946 3.91 1947 4.44 1948 2.66 1949 2.77 1950 6.13 1951 2.94 1952 2.91 1953 5.63 1954 1.78 1955 2.00 1956 2.31 1957 2.53 1958 2.92 1959 3.10 1960 4.53 1961 2.32 1962 2.45 1963 2.25 1964 3.40 1965 2.95 1966 2.72 1967 4.19 1968 3.06 1969 2.61 1970 2.62 1971 3.61 1972 3.04 1973 5.53 1974 2.88 1975 2.99 1976 3.53 1977 2.67 1978 4.70 1979 -9.99 1980 4.58 1981 3.37 1982 3.07 1983 1.75 1984 3.42 1985 3.49 1986 5.69 1987 2.57 1988 2.91 1989 2.48 1990 3.01 1991 3.64 1992 2.92 1993 6.99 1994 4.16 1995 2.57 1996 2.63 1997 5.18 1998 3.80 1999 2.49 2000 Duration: 04d 2.45 1893 4.24 1894 2.92 1895 3.19 1896 3.36 1897 4.53 1898 2.68 1899 3.20 1900 2.87 1901 5.57 1902 3.21 1903 2.43 1904 3.39 1905 3.41 1906 6.01 1907 4.44 1908 2.17 1909 3.09 1910 3.36 1911 3.43 1912 2.42 1913 2.80 1914 4.40 1915 2.65 1916 2.72 1917 3.13 1918 2.79 1919 2.27 1920 5.60 1921 4.84 1922 3.51 1923 3.68 1924 3.26 1925 5.96 1926 2.27 1927 3.19 1928 3.99 1929 3.02 1930 5.33 1931 3.69 1932 2.05 1933 3.17 1934 3.35 1935 4.29 1936 5.88 1937 3.21 1938 3.68 1939 1.82 1940 6.14 1941 2.89 1942 3.18 1943 3.72 1944 3.64 1945 3.38 1946 3.91 1947 4.44 1948 2.66 1949 3.73 1950 6.13 1951 4.30 1952 2.97 1953 5.63 1954 3.13 1955 3.40 1956 2.39 1957 2.98 1958 3.19 1959 3.35 1960 5.30 1961 2.72 1962 2.45 1963 2.93 1964 3.64 1965 3.10 1966 3.19 1967 5.70 1968 4.65 1969 3.38 1970 2.62 1971 3.68 1972 3.15 1973 6.26 1974 2.88 1975 3.85 1976 3.80 1977 4.24 1978 8.45 1979 -9.99 1980 4.97 1981 3.61 1982 3.07 1983 2.65 1984 3.59 1985 4.16 1986 6.01 1987 2.57 1988 3.42 1989 4.04 1990 3.40 1991 5.06 1992 3.65 1993 8.24 1994 5.11 1995 2.98 1996 2.63 1997 5.56 1998 4.04 1999 2.90 2000 Duration: 07d 2.45 1893 5.31 1894 3.28 1895 4.38 1896 4.44 1897 4.53 1898 2.70 1899 4.23 1900 3.12 1901 8.13 1902 4.84 1903 2.83 1904 3.94 1905 3.41 1906 6.26 1907 4.87 1908 2.74 1909 3.24 1910 3.56 1911 4.01 1912 2.65 1913 3.64 1914 6.46 1915 3.33 1916 2.82 1917 3.80 1918 3.70 1919 2.39 1920 5.86 1921 4.84 1922 4.17 1923 3.97 1924 4.06 1925 6.68 1926 3.30 1927 3.21 1928 4.24 1929 3.18 1930 5.82 1931 3.89 1932 2.36 1933 3.87 1934 4.01 1935 6.32 1936 5.96 1937 4.13 1938 4.09 1939 2.36 1940 7.67 1941 4.95 1942 3.68 1943 3.79 1944 4.00 1945 5.02 1946 3.91 1947 5.60 1948 3.37 1949 4.91 1950 6.33 1951 5.08 1952 4.05 1953 7.61 1954 4.77 1955 3.68 1956 3.06 1957 4.32 1958 3.37 1959 3.55 1960 5.86 1961 3.06 1962 3.30 1963 4.04 1964 4.00 1965 3.92 1966 3.20 1967 6.05 1968 4.89 1969 3.80 1970 3.98 1971 4.26 1972 3.45 1973 7.26 1974 3.68 1975 5.12 1976 3.99 1977 4.47 1978 9.65 1979 -9.99 1980 5.32 1981 4.22 1982 3.77 1983 3.54 1984 3.66 1985 4.83 1986 7.39 1987 2.76 1988 5.66 1989 4.60 1990 3.68 1991 5.68 1992 3.95 1993 8.85 1994 5.51 1995 4.67 1996 3.33 1997 6.10 1998 4.60 1999 3.34 2000 Duration: 10d 3.97 1893 6.12 1894 3.28 1895 5.48 1896 4.46 1897 4.66 1898 2.90 1899 4.80 1900 3.12 1901 8.27 1902 5.13 1903 3.38 1904 4.10 1905 3.74 1906 7.19 1907 5.16 1908 3.61 1909 3.63 1910 4.48 1911 4.41 1912 2.79 1913 4.32 1914 6.61 1915 3.65 1916 3.75 1917 4.35 1918 3.87 1919 2.98 1920 6.01 1921 4.84 1922 4.69 1923 4.29 1924 4.80 1925 6.98 1926 3.35 1927 3.68 1928 4.65 1929 3.67 1930 6.19 1931 4.32 1932 3.29 1933 3.89 1934 4.01 1935 6.44 1936 5.96 1937 5.16 1938 4.29 1939 3.09 1940 8.14 1941 5.44 1942 3.92 1943 3.99 1944 4.51 1945 5.65 1946 3.97 1947 6.12 1948 3.74 1949 4.99 1950 6.33 1951 5.24 1952 4.53 1953 7.95 1954 5.16 1955 3.79 1956 3.30 1957 4.32 1958 4.49 1959 3.82 1960 5.86 1961 3.10 1962 4.02 1963 4.14 1964 6.52 1965 4.56 1966 4.63 1967 6.25 1968 5.22 1969 6.00 1970 3.98 1971 5.36 1972 3.73 1973 8.23 1974 3.92 1975 5.12 1976 5.35 1977 5.49 1978 9.76 1979 -9.99 1980 6.43 1981 4.66 1982 4.26 1983 4.43 1984 4.30 1985 5.10 1986 7.39 1987 3.10 1988 6.23 1989 6.16 1990 4.86 1991 7.01 1992 4.34 1993 9.09 1994 5.57 1995 5.46 1996 3.89 1997 6.35 1998 4.84 1999 3.73 2000 Duration: 20d 4.90 1893 6.89 1894 4.80 1895 6.87 1896 4.78 1897 5.71 1898 5.06 1899 6.32 1900 3.76 1901 10.56 1902 7.77 1903 4.80 1904 5.18 1905 4.42 1906 9.33 1907 8.11 1908 5.48 1909 4.45 1910 6.45 1911 4.78 1912 4.47 1913 5.66 1914 7.41 1915 5.41 1916 4.35 1917 6.36 1918 5.90 1919 3.92 1920 8.32 1921 5.00 1922 5.27 1923 6.73 1924 5.95 1925 11.07 1926 5.38 1927 5.88 1928 5.20 1929 4.79 1930 7.23 1931 5.62 1932 5.15 1933 6.34 1934 7.64 1935 10.46 1936 6.22 1937 6.39 1938 4.70 1939 4.08 1940 10.22 1941 5.51 1942 5.69 1943 5.47 1944 6.69 1945 6.12 1946 6.80 1947 6.80 1948 4.35 1949 6.83 1950 8.17 1951 7.67 1952 4.83 1953 9.33 1954 7.39 1955 5.12 1956 3.95 1957 6.70 1958 6.86 1959 5.24 1960 9.34 1961 4.60 1962 4.47 1963 5.24 1964 8.21 1965 6.42 1966 5.57 1967 8.07 1968 6.24 1969 8.68 1970 4.82 1971 6.44 1972 6.02 1973 10.14 1974 5.81 1975 7.14 1976 6.36 1977 6.03 1978 11.24 1979 -9.99 1980 9.46 1981 5.97 1982 5.89 1983 6.11 1984 7.25 1985 7.06 1986 13.50 1987 4.40 1988 7.67 1989 8.27 1990 6.74 1991 8.65 1992 5.92 1993 10.29 1994 8.74 1995 8.64 1996 4.17 1997 9.30 1998 5.57 1999 4.88 2000 Duration: 30d 5.67 1893 7.19 1894 5.76 1895 7.11 1896 5.46 1897 7.02 1898 6.68 1899 8.65 1900 4.74 1901 14.28 1902 9.42 1903 7.13 1904 7.68 1905 5.82 1906 10.60 1907 9.89 1908 6.21 1909 6.89 1910 9.48 1911 7.44 1912 5.12 1913 6.11 1914 10.11 1915 7.02 1916 4.65 1917 6.67 1918 8.07 1919 5.59 1920 9.22 1921 5.85 1922 5.68 1923 7.93 1924 7.50 1925 13.65 1926 7.06 1927 6.99 1928 8.54 1929 5.86 1930 9.26 1931 7.29 1932 7.32 1933 7.56 1934 8.54 1935 12.10 1936 7.09 1937 7.79 1938 6.19 1939 4.82 1940 12.85 1941 7.07 1942 8.96 1943 6.22 1944 8.01 1945 7.38 1946 8.37 1947 8.00 1948 6.44 1949 8.00 1950 9.44 1951 8.98 1952 6.18 1953 9.51 1954 7.45 1955 5.83 1956 4.52 1957 7.35 1958 6.86 1959 7.24 1960 10.38 1961 5.99 1962 4.96 1963 6.69 1964 10.08 1965 9.64 1966 8.66 1967 8.80 1968 6.99 1969 9.73 1970 5.78 1971 7.93 1972 8.03 1973 12.17 1974 7.73 1975 7.85 1976 8.66 1977 6.93 1978 12.02 1979 -9.99 1980 11.76 1981 8.65 1982 7.01 1983 7.29 1984 7.78 1985 8.22 1986 13.82 1987 6.10 1988 9.28 1989 10.52 1990 7.64 1991 10.90 1992 8.00 1993 11.65 1994 10.69 1995 10.91 1996 5.16 1997 11.61 1998 8.26 1999 6.94 2000 Duration: 45d 6.93 1893 8.24 1894 7.69 1895 8.95 1896 7.57 1897 9.30 1898 8.39 1899 11.57 1900 5.81 1901 16.62 1902 12.36 1903 8.51 1904 10.12 1905 8.09 1906 12.00 1907 11.86 1908 8.72 1909 8.07 1910 10.13 1911 8.87 1912 7.08 1913 8.53 1914 10.70 1915 9.37 1916 6.52 1917 9.74 1918 9.19 1919 7.50 1920 12.12 1921 6.37 1922 7.16 1923 9.73 1924 8.50 1925 16.93 1926 9.26 1927 9.35 1928 9.82 1929 6.34 1930 13.18 1931 9.24 1932 8.17 1933 9.74 1934 10.94 1935 15.73 1936 9.67 1937 9.80 1938 9.26 1939 5.81 1940 16.46 1941 8.78 1942 10.57 1943 7.29 1944 10.98 1945 10.08 1946 10.54 1947 9.43 1948 8.08 1949 9.33 1950 12.77 1951 11.19 1952 8.41 1953 9.91 1954 8.87 1955 8.10 1956 5.07 1957 9.81 1958 9.26 1959 9.95 1960 12.42 1961 7.70 1962 6.60 1963 9.37 1964 14.39 1965 11.27 1966 10.56 1967 9.75 1968 9.66 1969 10.96 1970 6.86 1971 12.30 1972 10.90 1973 18.02 1974 11.43 1975 8.82 1976 11.41 1977 9.05 1978 13.22 1979 -9.99 1980 15.15 1981 10.12 1982 8.05 1983 8.09 1984 10.97 1985 11.26 1986 14.81 1987 8.02 1988 10.25 1989 15.68 1990 9.05 1991 11.69 1992 9.94 1993 12.95 1994 12.18 1995 12.66 1996 7.59 1997 12.64 1998 10.72 1999 9.71 2000 Duration: 60d 9.82 1893 9.55 1894 9.32 1895 10.54 1896 8.76 1897 10.53 1898 9.21 1899 13.53 1900 7.69 1901 19.94 1902 13.10 1903 10.83 1904 12.34 1905 9.72 1906 14.19 1907 14.22 1908 9.90 1909 8.93 1910 13.70 1911 11.52 1912 8.27 1913 10.95 1914 13.05 1915 10.14 1916 8.40 1917 12.02 1918 10.60 1919 9.76 1920 17.40 1921 8.85 1922 9.09 1923 13.01 1924 9.64 1925 21.05 1926 11.87 1927 11.03 1928 11.90 1929 7.05 1930 14.68 1931 11.95 1932 9.53 1933 10.90 1934 14.43 1935 17.46 1936 11.96 1937 12.44 1938 10.95 1939 6.79 1940 19.17 1941 10.72 1942 11.32 1943 9.03 1944 13.86 1945 12.15 1946 13.25 1947 12.33 1948 10.81 1949 10.76 1950 17.05 1951 12.93 1952 10.71 1953 15.23 1954 12.58 1955 10.84 1956 6.70 1957 11.02 1958 9.74 1959 12.28 1960 15.31 1961 8.68 1962 9.71 1963 10.44 1964 18.29 1965 14.39 1966 11.62 1967 9.98 1968 11.05 1969 16.98 1970 8.44 1971 14.25 1972 13.52 1973 20.06 1974 13.26 1975 11.21 1976 13.96 1977 9.32 1978 14.98 1979 -9.99 1980 17.76 1981 11.06 1982 9.20 1983 10.76 1984 13.29 1985 15.51 1986 16.15 1987 8.95 1988 12.53 1989 18.21 1990 9.95 1991 16.49 1992 12.56 1993 15.59 1994 14.86 1995 14.16 1996 8.19 1997 14.94 1998 14.18 1999 11.84 2000