Precipitation annual maximum series (inches) Station ID: 11-3717 Station name: GRIGGSVILLE State: IL Latitude (decimal degrees): 39.7378 Longitude (decimal degrees): 90.7086 Elevation (feet): 628 Duration: 01d 1.50 1887 2.30 1888 -9.99 1889 4.50 1890 0.99 1891 -9.99 1892 4.00 1893 1.76 1894 5.20 1895 3.41 1896 3.00 1897 3.60 1898 5.33 1899 1.60 1900 2.49 1901 2.75 1902 2.12 1903 2.25 1904 1.75 1905 5.00 1906 2.50 1907 2.49 1908 2.02 1909 1.90 1910 3.15 1911 2.05 1912 1.88 1913 3.60 1914 4.03 1915 1.84 1916 2.43 1917 2.16 1918 1.70 1919 2.10 1920 2.08 1921 1.70 1922 1.71 1923 1.56 1924 2.26 1925 3.80 1926 2.60 1927 2.56 1928 1.72 1929 1.96 1930 2.76 1931 2.00 1932 1.95 1933 2.00 1934 2.02 1935 3.55 1936 1.76 1937 2.21 1938 2.10 1939 1.47 1940 2.56 1941 6.04 1942 2.21 1943 1.77 1944 2.30 1945 2.41 1946 2.33 1947 2.05 1948 1.82 1949 1.78 1950 1.30 1951 2.25 1952 1.20 1953 2.50 1954 3.35 1955 2.10 1956 2.45 1957 -9.99 1958 1.77 1959 1.66 1960 4.36 1961 3.04 1962 2.69 1963 2.32 1964 5.02 1965 2.21 1966 4.06 1967 3.00 1968 2.44 1969 3.92 1970 2.00 1971 2.09 1972 3.45 1973 2.67 1974 2.55 1975 2.07 1976 2.43 1977 4.20 1978 3.19 1979 2.02 1980 3.82 1981 2.62 1982 2.58 1983 1.90 1984 2.15 1985 1.78 1986 1.50 1987 1.80 1988 1.77 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 3.97 1998 1.82 1999 3.34 2000 Duration: 02d -9.99 1887 -9.99 1888 -9.99 1889 4.50 1890 0.99 1891 -9.99 1892 4.00 1893 1.76 1894 5.20 1895 3.58 1896 5.16 1897 3.60 1898 5.43 1899 1.87 1900 2.49 1901 3.10 1902 2.15 1903 2.25 1904 1.93 1905 5.00 1906 2.50 1907 3.12 1908 2.54 1909 1.90 1910 3.85 1911 2.40 1912 2.27 1913 3.64 1914 6.11 1915 2.63 1916 2.43 1917 2.18 1918 2.22 1919 2.17 1920 2.58 1921 1.76 1922 2.36 1923 1.56 1924 2.26 1925 6.06 1926 4.49 1927 2.56 1928 1.99 1929 2.28 1930 3.34 1931 2.16 1932 2.73 1933 2.15 1934 2.32 1935 5.06 1936 2.61 1937 3.00 1938 2.71 1939 1.55 1940 4.74 1941 6.26 1942 2.75 1943 2.75 1944 3.14 1945 3.28 1946 2.66 1947 3.00 1948 2.53 1949 2.24 1950 1.70 1951 2.73 1952 1.37 1953 3.50 1954 3.35 1955 3.10 1956 2.85 1957 -9.99 1958 2.10 1959 2.57 1960 4.77 1961 3.04 1962 2.71 1963 2.95 1964 5.80 1965 3.31 1966 4.06 1967 3.56 1968 4.62 1969 4.40 1970 2.07 1971 2.09 1972 3.73 1973 2.95 1974 3.36 1975 2.69 1976 3.86 1977 4.20 1978 4.13 1979 2.26 1980 6.09 1981 3.57 1982 3.36 1983 2.19 1984 2.98 1985 2.29 1986 2.43 1987 2.35 1988 1.95 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 3.97 1998 2.13 1999 3.34 2000 Duration: 04d 4.57 1890 1.45 1891 -9.99 1892 4.00 1893 2.04 1894 5.20 1895 4.86 1896 5.36 1897 3.72 1898 8.03 1899 2.22 1900 3.29 1901 3.17 1902 2.62 1903 3.50 1904 2.53 1905 5.00 1906 3.56 1907 4.06 1908 3.19 1909 2.20 1910 5.53 1911 2.45 1912 3.38 1913 5.65 1914 6.50 1915 4.04 1916 2.77 1917 3.68 1918 3.14 1919 2.71 1920 3.45 1921 2.75 1922 3.00 1923 2.03 1924 2.75 1925 6.06 1926 5.11 1927 3.44 1928 2.81 1929 2.95 1930 3.66 1931 2.53 1932 3.05 1933 2.66 1934 2.94 1935 6.24 1936 2.62 1937 3.18 1938 3.50 1939 2.03 1940 5.32 1941 6.48 1942 4.52 1943 2.81 1944 5.36 1945 5.97 1946 2.89 1947 3.00 1948 2.90 1949 2.24 1950 3.00 1951 2.73 1952 1.47 1953 3.50 1954 4.04 1955 3.12 1956 3.05 1957 -9.99 1958 3.43 1959 3.25 1960 4.95 1961 3.11 1962 2.71 1963 3.36 1964 5.80 1965 3.72 1966 4.51 1967 4.27 1968 7.22 1969 5.48 1970 2.14 1971 2.58 1972 3.91 1973 3.23 1974 3.37 1975 2.81 1976 4.29 1977 4.20 1978 4.59 1979 3.34 1980 6.64 1981 4.47 1982 3.53 1983 2.92 1984 3.80 1985 3.59 1986 2.54 1987 2.45 1988 2.38 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 3.97 1998 2.24 1999 3.36 2000 Duration: 07d 4.83 1890 1.57 1891 -9.99 1892 4.87 1893 2.25 1894 6.05 1895 6.11 1896 5.44 1897 4.48 1898 8.36 1899 2.53 1900 3.53 1901 3.87 1902 3.97 1903 4.16 1904 2.96 1905 5.95 1906 4.40 1907 4.97 1908 4.74 1909 2.79 1910 7.22 1911 3.56 1912 4.46 1913 6.42 1914 7.12 1915 5.34 1916 4.05 1917 5.57 1918 3.74 1919 4.16 1920 4.48 1921 3.62 1922 3.67 1923 2.61 1924 3.52 1925 10.42 1926 5.13 1927 3.46 1928 4.36 1929 3.69 1930 3.90 1931 4.45 1932 3.47 1933 3.54 1934 3.41 1935 6.40 1936 3.31 1937 3.22 1938 3.50 1939 2.03 1940 5.87 1941 7.08 1942 5.33 1943 3.26 1944 5.63 1945 6.15 1946 3.34 1947 4.30 1948 3.90 1949 2.26 1950 3.17 1951 3.29 1952 1.77 1953 3.73 1954 4.04 1955 3.14 1956 3.92 1957 -9.99 1958 3.63 1959 4.29 1960 5.28 1961 4.94 1962 4.08 1963 3.56 1964 7.63 1965 4.34 1966 7.41 1967 4.57 1968 7.49 1969 7.10 1970 2.72 1971 2.60 1972 4.34 1973 3.35 1974 3.75 1975 2.81 1976 5.48 1977 4.27 1978 4.59 1979 3.85 1980 7.86 1981 4.52 1982 3.86 1983 3.59 1984 5.47 1985 5.28 1986 2.62 1987 3.03 1988 3.18 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 5.27 1998 2.88 1999 4.33 2000 Duration: 10d 5.68 1890 1.65 1891 -9.99 1892 5.36 1893 2.42 1894 6.05 1895 6.81 1896 5.44 1897 4.83 1898 10.45 1899 3.25 1900 3.65 1901 3.97 1902 4.07 1903 4.85 1904 3.99 1905 5.95 1906 4.45 1907 5.41 1908 4.74 1909 3.19 1910 7.74 1911 3.96 1912 4.48 1913 7.67 1914 8.57 1915 6.06 1916 4.88 1917 5.57 1918 4.30 1919 4.43 1920 5.26 1921 5.24 1922 4.00 1923 3.63 1924 3.86 1925 11.14 1926 6.54 1927 3.95 1928 5.11 1929 4.00 1930 3.90 1931 4.48 1932 3.86 1933 3.82 1934 4.96 1935 6.44 1936 3.79 1937 3.61 1938 3.78 1939 2.44 1940 6.40 1941 8.02 1942 7.68 1943 4.42 1944 7.51 1945 7.64 1946 3.80 1947 4.35 1948 3.95 1949 2.64 1950 3.80 1951 3.59 1952 1.82 1953 3.80 1954 4.99 1955 3.16 1956 4.92 1957 -9.99 1958 4.96 1959 5.13 1960 5.88 1961 4.97 1962 4.21 1963 3.91 1964 7.63 1965 4.78 1966 9.06 1967 4.88 1968 7.52 1969 7.14 1970 3.14 1971 3.38 1972 4.93 1973 5.12 1974 4.10 1975 3.50 1976 5.55 1977 4.64 1978 4.87 1979 3.85 1980 9.72 1981 5.13 1982 4.93 1983 4.20 1984 6.24 1985 7.16 1986 2.74 1987 3.50 1988 3.47 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 5.42 1998 2.99 1999 4.63 2000 Duration: 20d 6.69 1890 2.35 1891 -9.99 1892 6.74 1893 2.82 1894 6.05 1895 9.02 1896 6.59 1897 7.34 1898 11.46 1899 4.69 1900 3.65 1901 6.50 1902 6.19 1903 6.20 1904 5.25 1905 6.56 1906 6.97 1907 5.89 1908 5.71 1909 4.79 1910 11.13 1911 5.28 1912 7.64 1913 9.52 1914 12.74 1915 8.08 1916 8.13 1917 6.33 1918 5.64 1919 5.97 1920 7.64 1921 7.11 1922 7.37 1923 5.55 1924 5.37 1925 14.25 1926 7.53 1927 4.75 1928 6.22 1929 5.40 1930 6.11 1931 7.15 1932 5.37 1933 5.25 1934 8.24 1935 8.86 1936 5.57 1937 6.39 1938 5.50 1939 3.18 1940 9.99 1941 10.01 1942 10.52 1943 6.63 1944 9.12 1945 9.27 1946 6.67 1947 7.51 1948 4.80 1949 3.50 1950 4.40 1951 5.39 1952 3.57 1953 6.36 1954 5.40 1955 4.50 1956 5.62 1957 -9.99 1958 7.58 1959 6.92 1960 9.97 1961 5.41 1962 4.98 1963 5.23 1964 9.10 1965 5.87 1966 11.73 1967 5.75 1968 8.37 1969 10.86 1970 4.37 1971 4.86 1972 7.68 1973 6.63 1974 6.37 1975 5.08 1976 6.73 1977 5.89 1978 6.96 1979 5.31 1980 11.31 1981 6.30 1982 6.14 1983 5.13 1984 8.67 1985 10.77 1986 3.92 1987 4.69 1988 4.73 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 6.87 1998 4.00 1999 6.93 2000 Duration: 30d 8.09 1890 3.06 1891 -9.99 1892 8.18 1893 4.33 1894 8.30 1895 9.86 1896 6.82 1897 9.05 1898 13.30 1899 6.82 1900 4.61 1901 8.00 1902 7.42 1903 7.55 1904 7.12 1905 7.21 1906 8.97 1907 7.57 1908 7.50 1909 6.86 1910 15.63 1911 6.93 1912 8.05 1913 10.16 1914 15.24 1915 8.61 1916 8.96 1917 6.43 1918 7.34 1919 7.89 1920 8.69 1921 8.26 1922 9.29 1923 8.18 1924 6.88 1925 20.21 1926 10.05 1927 7.79 1928 8.43 1929 5.56 1930 8.14 1931 7.52 1932 6.60 1933 7.74 1934 11.08 1935 10.38 1936 6.20 1937 7.35 1938 7.03 1939 3.73 1940 12.70 1941 12.33 1942 12.09 1943 9.23 1944 10.12 1945 11.41 1946 9.05 1947 8.55 1948 6.17 1949 3.85 1950 5.39 1951 7.07 1952 4.42 1953 10.09 1954 5.92 1955 5.14 1956 8.19 1957 -9.99 1958 7.61 1959 7.78 1960 12.84 1961 7.71 1962 6.21 1963 6.83 1964 13.03 1965 8.66 1966 13.09 1967 8.36 1968 10.91 1969 14.73 1970 6.13 1971 5.42 1972 9.09 1973 8.06 1974 7.93 1975 6.07 1976 7.36 1977 6.57 1978 8.02 1979 7.47 1980 16.29 1981 7.75 1982 7.88 1983 6.58 1984 11.39 1985 11.42 1986 5.92 1987 4.95 1988 5.54 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 9.79 1998 5.70 1999 8.88 2000 Duration: 45d 9.58 1890 4.13 1891 -9.99 1892 11.49 1893 5.47 1894 10.06 1895 11.19 1896 10.66 1897 12.15 1898 14.97 1899 7.50 1900 5.06 1901 10.62 1902 9.79 1903 11.22 1904 9.02 1905 9.71 1906 12.24 1907 10.07 1908 10.14 1909 8.63 1910 17.00 1911 8.34 1912 8.79 1913 11.53 1914 19.90 1915 11.77 1916 11.71 1917 7.72 1918 10.47 1919 9.56 1920 9.81 1921 10.83 1922 10.36 1923 9.49 1924 10.02 1925 23.06 1926 12.78 1927 8.94 1928 10.57 1929 6.33 1930 10.54 1931 9.34 1932 8.61 1933 9.03 1934 12.95 1935 11.15 1936 7.14 1937 10.00 1938 8.31 1939 4.87 1940 16.88 1941 15.83 1942 13.60 1943 10.87 1944 11.23 1945 12.23 1946 13.55 1947 12.78 1948 8.34 1949 5.83 1950 6.99 1951 9.00 1952 5.43 1953 10.51 1954 8.60 1955 7.36 1956 10.30 1957 -9.99 1958 8.51 1959 10.05 1960 16.07 1961 9.55 1962 9.64 1963 8.27 1964 13.86 1965 11.12 1966 15.85 1967 10.91 1968 12.53 1969 20.45 1970 8.30 1971 7.13 1972 11.49 1973 10.51 1974 9.88 1975 7.68 1976 8.90 1977 8.64 1978 10.12 1979 10.44 1980 21.40 1981 10.33 1982 10.23 1983 9.79 1984 13.40 1985 13.74 1986 8.04 1987 6.32 1988 6.61 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 13.18 1998 7.91 1999 12.25 2000 Duration: 60d 11.74 1890 5.17 1891 -9.99 1892 14.24 1893 6.29 1894 10.67 1895 13.88 1896 11.43 1897 14.83 1898 16.37 1899 8.30 1900 5.59 1901 12.45 1902 11.19 1903 13.62 1904 10.83 1905 11.66 1906 13.79 1907 13.23 1908 12.18 1909 10.52 1910 19.16 1911 11.11 1912 10.02 1913 13.81 1914 23.62 1915 12.87 1916 14.16 1917 9.94 1918 11.44 1919 10.32 1920 12.61 1921 12.12 1922 12.36 1923 10.81 1924 12.55 1925 25.36 1926 14.70 1927 10.79 1928 13.10 1929 7.56 1930 11.08 1931 12.08 1932 11.41 1933 9.65 1934 16.14 1935 12.52 1936 9.71 1937 11.01 1938 11.13 1939 5.97 1940 19.56 1941 18.10 1942 15.35 1943 13.21 1944 13.98 1945 13.56 1946 14.06 1947 13.90 1948 10.54 1949 7.09 1950 8.26 1951 10.87 1952 7.20 1953 11.15 1954 9.34 1955 8.48 1956 13.19 1957 -9.99 1958 10.94 1959 11.93 1960 19.60 1961 11.58 1962 10.71 1963 10.04 1964 14.59 1965 12.23 1966 17.55 1967 11.62 1968 14.51 1969 23.29 1970 9.04 1971 8.41 1972 14.81 1973 15.94 1974 11.36 1975 8.11 1976 12.23 1977 11.09 1978 11.49 1979 10.58 1980 22.39 1981 11.33 1982 12.00 1983 11.42 1984 13.88 1985 14.45 1986 9.39 1987 7.77 1988 9.35 1989 -9.99 1990 -9.99 1991 -9.99 1992 -9.99 1993 -9.99 1994 -9.99 1995 -9.99 1996 -9.99 1997 17.00 1998 8.91 1999 13.24 2000