Precipitation annual maximum series (inches) Station ID: 11-6080 Station name: NEW BOSTON DAM 17 State: IL Latitude (decimal degrees): 41.1922 Longitude (decimal degrees): 91.0578 Elevation (feet): 548 Duration: 01d 3.05 1938 7.47 1939 1.73 1940 1.30 1941 3.60 1942 1.82 1943 1.98 1944 2.05 1945 3.01 1946 4.25 1947 4.47 1948 1.96 1949 2.08 1950 3.81 1951 2.35 1952 2.04 1953 3.17 1954 1.74 1955 1.47 1956 1.50 1957 3.32 1958 2.51 1959 1.90 1960 3.70 1961 2.10 1962 1.46 1963 2.30 1964 4.33 1965 2.78 1966 2.05 1967 2.53 1968 3.20 1969 2.40 1970 2.23 1971 2.48 1972 3.55 1973 2.30 1974 1.52 1975 3.34 1976 3.61 1977 2.02 1978 1.82 1979 3.06 1980 2.00 1981 2.61 1982 2.00 1983 2.25 1984 2.20 1985 -9.99 1986 -9.99 1987 1.65 1988 2.06 1989 3.65 1990 1.24 1991 2.75 1992 2.14 1993 1.36 1994 2.19 1995 2.40 1996 1.98 1997 2.34 1998 3.40 1999 3.48 2000 Duration: 02d 3.51 1938 8.10 1939 3.23 1940 2.36 1941 3.70 1942 2.11 1943 2.23 1944 2.61 1945 4.22 1946 4.30 1947 4.47 1948 3.72 1949 3.76 1950 4.77 1951 2.71 1952 2.53 1953 3.19 1954 2.63 1955 1.61 1956 2.03 1957 4.50 1958 3.58 1959 2.68 1960 5.58 1961 2.10 1962 1.73 1963 2.90 1964 4.98 1965 3.28 1966 2.27 1967 2.53 1968 3.64 1969 2.70 1970 2.35 1971 2.83 1972 5.50 1973 2.30 1974 2.09 1975 3.96 1976 3.77 1977 2.11 1978 2.14 1979 3.73 1980 3.10 1981 4.38 1982 2.62 1983 2.42 1984 2.50 1985 -9.99 1986 -9.99 1987 1.65 1988 2.99 1989 3.65 1990 2.01 1991 2.75 1992 3.08 1993 1.61 1994 2.63 1995 3.90 1996 2.48 1997 3.56 1998 4.05 1999 3.48 2000 Duration: 04d 3.70 1938 8.10 1939 3.81 1940 2.49 1941 3.70 1942 2.70 1943 2.46 1944 3.10 1945 4.22 1946 4.30 1947 4.47 1948 3.72 1949 4.07 1950 4.77 1951 2.71 1952 2.89 1953 3.19 1954 2.93 1955 2.40 1956 2.12 1957 5.32 1958 5.21 1959 2.98 1960 5.70 1961 3.08 1962 2.36 1963 3.10 1964 4.98 1965 4.34 1966 2.81 1967 2.86 1968 3.98 1969 4.05 1970 2.35 1971 2.89 1972 5.83 1973 2.50 1974 2.18 1975 4.18 1976 6.39 1977 2.46 1978 2.78 1979 4.67 1980 3.80 1981 4.96 1982 3.30 1983 4.22 1984 3.66 1985 -9.99 1986 -9.99 1987 1.65 1988 4.89 1989 5.86 1990 2.75 1991 3.60 1992 3.98 1993 1.76 1994 3.52 1995 4.43 1996 2.49 1997 3.97 1998 4.45 1999 3.96 2000 Duration: 07d 4.89 1938 8.54 1939 5.02 1940 4.28 1941 3.85 1942 3.77 1943 3.17 1944 3.18 1945 5.20 1946 4.30 1947 4.62 1948 4.08 1949 6.20 1950 4.95 1951 3.02 1952 3.38 1953 5.50 1954 2.93 1955 3.19 1956 2.44 1957 6.57 1958 5.54 1959 3.18 1960 5.70 1961 4.94 1962 2.53 1963 3.12 1964 7.63 1965 4.71 1966 3.41 1967 4.72 1968 4.72 1969 4.10 1970 2.92 1971 3.41 1972 6.31 1973 2.60 1974 2.86 1975 4.98 1976 7.25 1977 2.89 1978 3.58 1979 5.82 1980 3.80 1981 5.23 1982 4.43 1983 5.34 1984 3.96 1985 -9.99 1986 -9.99 1987 2.75 1988 4.97 1989 6.66 1990 2.75 1991 5.19 1992 5.22 1993 2.58 1994 4.19 1995 4.75 1996 3.81 1997 4.11 1998 4.45 1999 4.79 2000 Duration: 10d 5.46 1938 10.31 1939 5.40 1940 4.96 1941 4.05 1942 4.30 1943 3.79 1944 4.15 1945 5.46 1946 4.80 1947 5.08 1948 4.71 1949 6.20 1950 5.36 1951 3.80 1952 3.95 1953 6.14 1954 3.76 1955 3.27 1956 2.87 1957 7.79 1958 6.00 1959 4.41 1960 5.70 1961 4.94 1962 2.57 1963 3.84 1964 7.67 1965 4.71 1966 4.68 1967 5.75 1968 5.88 1969 6.58 1970 3.04 1971 4.83 1972 6.33 1973 2.90 1974 4.00 1975 5.35 1976 7.45 1977 3.48 1978 3.63 1979 6.07 1980 3.80 1981 5.89 1982 4.98 1983 5.52 1984 5.01 1985 -9.99 1986 -9.99 1987 3.30 1988 7.03 1989 7.32 1990 2.75 1991 5.90 1992 7.09 1993 3.18 1994 4.19 1995 6.96 1996 4.06 1997 4.52 1998 4.52 1999 4.94 2000 Duration: 20d 7.54 1938 11.82 1939 7.61 1940 6.55 1941 5.31 1942 5.52 1943 5.95 1944 6.58 1945 10.62 1946 6.42 1947 7.75 1948 5.90 1949 7.53 1950 7.41 1951 4.72 1952 5.27 1953 8.03 1954 5.07 1955 4.07 1956 4.03 1957 12.98 1958 9.31 1959 6.11 1960 8.03 1961 5.53 1962 3.75 1963 5.79 1964 10.79 1965 4.74 1966 6.97 1967 6.60 1968 9.90 1969 8.94 1970 4.27 1971 5.86 1972 10.81 1973 5.26 1974 6.46 1975 6.92 1976 8.68 1977 5.26 1978 5.10 1979 8.99 1980 5.12 1981 9.18 1982 5.66 1983 8.25 1984 5.88 1985 -9.99 1986 -9.99 1987 3.92 1988 8.91 1989 7.62 1990 4.00 1991 9.57 1992 8.93 1993 3.72 1994 6.66 1995 11.93 1996 6.26 1997 6.52 1998 5.13 1999 7.84 2000 Duration: 30d 10.16 1938 12.02 1939 9.28 1940 8.13 1941 6.48 1942 8.55 1943 6.69 1944 7.63 1945 10.85 1946 7.50 1947 9.65 1948 6.95 1949 9.37 1950 9.36 1951 5.65 1952 6.06 1953 8.09 1954 5.97 1955 5.37 1956 5.32 1957 14.31 1958 9.42 1959 9.04 1960 8.87 1961 8.61 1962 4.90 1963 7.33 1964 16.16 1965 6.72 1966 8.14 1967 7.58 1968 12.50 1969 9.92 1970 4.95 1971 6.59 1972 12.86 1973 7.47 1974 8.18 1975 7.89 1976 10.21 1977 7.35 1978 6.65 1979 11.80 1980 6.80 1981 9.94 1982 6.39 1983 8.63 1984 8.10 1985 -9.99 1986 -9.99 1987 4.37 1988 9.92 1989 9.85 1990 5.12 1991 12.09 1992 11.32 1993 5.51 1994 9.18 1995 13.91 1996 7.75 1997 7.21 1998 7.45 1999 10.11 2000 Duration: 45d 12.23 1938 14.16 1939 10.41 1940 10.46 1941 9.20 1942 11.27 1943 9.67 1944 8.85 1945 12.03 1946 9.83 1947 11.58 1948 8.97 1949 11.52 1950 13.69 1951 6.99 1952 7.41 1953 8.50 1954 7.09 1955 6.96 1956 7.00 1957 17.05 1958 10.54 1959 10.78 1960 9.81 1961 9.48 1962 6.04 1963 9.00 1964 18.42 1965 9.13 1966 8.99 1967 9.61 1968 14.67 1969 12.37 1970 6.74 1971 9.21 1972 14.90 1973 10.34 1974 8.49 1975 9.72 1976 16.95 1977 8.93 1978 9.53 1979 14.51 1980 8.56 1981 13.95 1982 8.51 1983 9.13 1984 11.14 1985 -9.99 1986 -9.99 1987 5.44 1988 10.08 1989 11.37 1990 6.68 1991 12.72 1992 15.31 1993 7.38 1994 10.77 1995 16.15 1996 9.42 1997 10.29 1998 8.11 1999 14.38 2000 Duration: 60d 14.59 1938 17.33 1939 10.82 1940 12.14 1941 11.27 1942 13.37 1943 11.29 1944 12.28 1945 14.13 1946 11.46 1947 11.81 1948 12.64 1949 13.07 1950 16.65 1951 8.75 1952 7.94 1953 10.61 1954 7.99 1955 8.43 1956 8.40 1957 20.73 1958 11.43 1959 13.82 1960 14.31 1961 11.05 1962 6.40 1963 10.21 1964 18.85 1965 12.32 1966 10.72 1967 10.55 1968 16.67 1969 15.75 1970 7.96 1971 11.11 1972 17.35 1973 12.54 1974 9.88 1975 10.83 1976 18.22 1977 10.68 1978 9.86 1979 16.21 1980 9.38 1981 15.55 1982 10.21 1983 9.84 1984 12.89 1985 -9.99 1986 -9.99 1987 6.02 1988 11.97 1989 15.47 1990 9.09 1991 13.90 1992 20.21 1993 7.72 1994 15.06 1995 17.72 1996 9.44 1997 12.34 1998 12.31 1999 15.92 2000