Precipitation annual maximum series (inches) Station ID: 11-5272 Station name: MACKINAW State: IL Latitude (decimal degrees): 40.5525 Longitude (decimal degrees): 89.3336 Elevation (feet): 710 Duration: 01d 2.13 1940 2.83 1941 2.11 1942 4.18 1943 2.21 1944 2.19 1945 3.36 1946 2.50 1947 3.12 1948 3.84 1949 3.14 1950 3.31 1951 1.70 1952 2.40 1953 1.87 1954 2.79 1955 2.06 1956 2.68 1957 1.70 1958 1.96 1959 2.23 1960 3.28 1961 2.26 1962 1.87 1963 3.62 1964 3.53 1965 2.08 1966 2.54 1967 3.30 1968 2.57 1969 2.43 1970 1.70 1971 3.63 1972 3.24 1973 3.66 1974 3.25 1975 2.40 1976 3.55 1977 2.32 1978 2.97 1979 3.98 1980 2.17 1981 3.55 1982 1.88 1983 2.86 1984 2.26 1985 6.00 1986 1.10 1987 1.52 1988 2.70 1989 2.51 1990 2.45 1991 3.28 1992 5.00 1993 2.32 1994 1.98 1995 -9.99 1996 2.17 1997 -9.99 1998 -9.99 1999 0.84 2000 Duration: 02d 3.74 1940 3.33 1941 3.45 1942 5.01 1943 3.37 1944 2.31 1945 3.93 1946 2.53 1947 3.20 1948 4.14 1949 4.58 1950 4.15 1951 2.95 1952 3.35 1953 2.02 1954 2.92 1955 2.87 1956 3.53 1957 2.60 1958 2.05 1959 2.41 1960 3.64 1961 2.26 1962 1.91 1963 4.72 1964 5.58 1965 2.25 1966 3.51 1967 4.03 1968 4.16 1969 3.06 1970 2.03 1971 3.63 1972 3.31 1973 6.62 1974 3.25 1975 2.40 1976 5.11 1977 2.74 1978 3.08 1979 4.69 1980 2.98 1981 4.72 1982 2.00 1983 2.94 1984 2.89 1985 7.27 1986 1.48 1987 1.57 1988 2.70 1989 3.44 1990 2.45 1991 3.28 1992 5.14 1993 2.36 1994 2.94 1995 -9.99 1996 2.21 1997 -9.99 1998 -9.99 1999 0.91 2000 Duration: 04d 3.74 1940 6.11 1941 4.41 1942 5.01 1943 3.52 1944 2.37 1945 4.11 1946 3.04 1947 3.20 1948 4.37 1949 6.53 1950 4.67 1951 2.96 1952 3.35 1953 2.10 1954 2.92 1955 3.49 1956 3.56 1957 3.60 1958 2.45 1959 3.10 1960 4.91 1961 2.27 1962 1.95 1963 4.88 1964 5.98 1965 2.77 1966 3.85 1967 4.47 1968 6.12 1969 3.28 1970 2.34 1971 3.72 1972 3.36 1973 7.52 1974 3.39 1975 2.74 1976 6.04 1977 3.26 1978 3.08 1979 5.29 1980 3.61 1981 5.22 1982 2.39 1983 3.64 1984 4.61 1985 7.53 1986 1.48 1987 2.17 1988 3.37 1989 3.78 1990 3.59 1991 4.10 1992 5.26 1993 2.72 1994 3.38 1995 -9.99 1996 2.42 1997 -9.99 1998 -9.99 1999 1.74 2000 Duration: 07d 3.74 1940 6.98 1941 4.92 1942 5.42 1943 3.75 1944 3.14 1945 5.55 1946 3.44 1947 4.07 1948 5.18 1949 6.53 1950 5.24 1951 3.98 1952 3.49 1953 3.97 1954 2.92 1955 3.49 1956 3.97 1957 4.66 1958 2.81 1959 3.37 1960 4.91 1961 2.70 1962 2.10 1963 4.99 1964 6.90 1965 3.37 1966 3.96 1967 4.90 1968 6.15 1969 4.05 1970 3.25 1971 3.79 1972 3.81 1973 7.52 1974 3.39 1975 3.34 1976 6.58 1977 4.45 1978 3.19 1979 5.37 1980 5.04 1981 5.76 1982 3.10 1983 4.64 1984 5.86 1985 8.92 1986 2.58 1987 3.00 1988 3.50 1989 3.78 1990 3.59 1991 5.35 1992 7.35 1993 3.28 1994 3.75 1995 -9.99 1996 3.87 1997 -9.99 1998 -9.99 1999 1.96 2000 Duration: 10d 4.12 1940 7.92 1941 5.37 1942 6.18 1943 4.65 1944 4.21 1945 6.66 1946 3.82 1947 4.67 1948 5.74 1949 7.14 1950 5.88 1951 4.69 1952 3.74 1953 4.12 1954 4.27 1955 3.49 1956 4.56 1957 4.70 1958 3.46 1959 4.41 1960 4.91 1961 3.77 1962 2.89 1963 5.86 1964 8.07 1965 3.38 1966 4.09 1967 5.70 1968 6.28 1969 6.20 1970 3.70 1971 4.51 1972 4.40 1973 7.92 1974 4.12 1975 3.38 1976 6.93 1977 5.44 1978 3.38 1979 5.74 1980 6.51 1981 6.38 1982 3.82 1983 5.44 1984 7.39 1985 9.60 1986 2.85 1987 3.61 1988 5.45 1989 5.87 1990 3.67 1991 5.91 1992 8.25 1993 3.28 1994 5.21 1995 -9.99 1996 4.19 1997 -9.99 1998 -9.99 1999 2.01 2000 Duration: 20d 4.75 1940 10.97 1941 5.99 1942 8.69 1943 7.55 1944 6.42 1945 7.83 1946 6.04 1947 6.58 1948 7.18 1949 7.83 1950 8.23 1951 5.91 1952 5.44 1953 6.87 1954 4.92 1955 3.57 1956 5.41 1957 6.16 1958 5.93 1959 7.84 1960 9.60 1961 4.64 1962 3.72 1963 6.83 1964 8.77 1965 4.66 1966 7.40 1967 7.79 1968 7.04 1969 8.38 1970 5.33 1971 5.33 1972 6.99 1973 11.15 1974 5.75 1975 5.82 1976 7.82 1977 6.68 1978 5.22 1979 7.10 1980 9.73 1981 7.95 1982 5.48 1983 5.88 1984 9.85 1985 15.84 1986 4.02 1987 4.47 1988 6.45 1989 7.42 1990 4.12 1991 8.14 1992 13.60 1993 3.89 1994 8.96 1995 -9.99 1996 5.12 1997 -9.99 1998 -9.99 1999 3.36 2000 Duration: 30d 4.93 1940 13.37 1941 7.45 1942 11.04 1943 9.14 1944 7.32 1945 7.89 1946 8.08 1947 9.57 1948 9.12 1949 8.46 1950 9.50 1951 8.71 1952 6.76 1953 8.41 1954 6.27 1955 4.60 1956 7.96 1957 7.41 1958 6.30 1959 10.53 1960 10.30 1961 6.33 1962 5.84 1963 7.99 1964 12.65 1965 5.68 1966 8.58 1967 8.49 1968 8.57 1969 9.37 1970 5.75 1971 6.89 1972 8.33 1973 12.58 1974 8.46 1975 6.67 1976 10.35 1977 7.46 1978 6.96 1979 8.56 1980 12.29 1981 10.27 1982 7.34 1983 7.16 1984 10.50 1985 17.62 1986 5.66 1987 4.80 1988 7.21 1989 9.08 1990 7.42 1991 12.82 1992 17.07 1993 5.02 1994 9.77 1995 -9.99 1996 6.55 1997 -9.99 1998 -9.99 1999 4.32 2000 Duration: 45d 6.54 1940 16.07 1941 8.98 1942 12.52 1943 12.09 1944 10.63 1945 9.84 1946 10.74 1947 12.07 1948 11.92 1949 11.86 1950 12.43 1951 10.24 1952 9.19 1953 9.66 1954 8.67 1955 7.29 1956 10.11 1957 11.38 1958 7.43 1959 12.62 1960 11.08 1961 9.11 1962 6.49 1963 9.58 1964 14.27 1965 7.41 1966 10.06 1967 13.76 1968 9.91 1969 11.23 1970 6.74 1971 9.68 1972 11.02 1973 17.08 1974 10.23 1975 9.50 1976 15.27 1977 9.92 1978 8.92 1979 10.02 1980 14.99 1981 11.87 1982 9.46 1983 9.32 1984 13.18 1985 19.18 1986 8.22 1987 5.29 1988 7.93 1989 12.60 1990 8.89 1991 13.48 1992 20.27 1993 7.17 1994 11.87 1995 -9.99 1996 7.80 1997 -9.99 1998 -9.99 1999 5.18 2000 Duration: 60d 7.08 1940 18.23 1941 11.82 1942 14.41 1943 13.93 1944 13.48 1945 13.45 1946 14.04 1947 12.72 1948 9.85 1949 14.76 1950 14.13 1951 12.40 1952 9.44 1953 10.10 1954 9.86 1955 7.74 1956 12.55 1957 13.99 1958 8.92 1959 14.69 1960 13.62 1961 9.28 1962 7.83 1963 12.86 1964 16.64 1965 9.50 1966 11.46 1967 15.87 1968 11.32 1969 14.43 1970 7.70 1971 11.29 1972 13.64 1973 19.08 1974 13.28 1975 10.97 1976 18.18 1977 11.37 1978 10.42 1979 12.08 1980 18.15 1981 13.34 1982 11.18 1983 11.24 1984 14.87 1985 19.78 1986 8.77 1987 6.91 1988 9.82 1989 15.35 1990 9.88 1991 14.67 1992 25.88 1993 7.82 1994 15.13 1995 -9.99 1996 8.79 1997 -9.99 1998 -9.99 1999 6.96 2000