Precipitation annual maximum series (inches) Station ID: 20-7068 Station name: ROCK 1 E State: MI Latitude (decimal degrees): 46.0667 Longitude (decimal degrees): -87.1500 Elevation (feet): 940 Duration: 1 day 12/31/1906 1.60 08/11/1907 1.57 05/30/1908 1.68 06/22/1909 2.35 08/13/1910 1.30 10/06/1911 1.90 10/12/1912 1.30 06/19/1913 1.75 07/12/1914 4.20 11/11/1915 1.64 06/02/1916 2.54 07/20/1917 1.35 08/08/1918 1.38 08/21/1919 2.04 07/27/1920 2.47 03/20/1921 2.10 06/15/1922 2.60 06/07/1923 2.00 06/11/1939 2.11 06/24/1940 1.50 10/05/1941 1.51 10/04/1942 2.85 06/15/1943 2.73 05/31/1944 3.01 09/23/1945 2.01 09/09/1946 1.04 07/05/1947 1.91 05/18/1949 2.10 09/26/1951 1.87 08/04/1952 2.32 06/30/1953 2.99 09/10/1954 1.15 10/07/1955 1.33 06/30/1956 1.67 09/01/1957 1.93 07/05/1958 2.51 10/24/1959 2.51 09/03/1960 1.89 09/30/1961 1.67 06/11/1962 2.89 05/08/1963 1.57 05/24/1964 2.03 07/05/1965 1.48 06/04/1966 2.67 10/25/1967 2.37 06/30/1968 2.35 06/27/1969 2.04 10/28/1970 3.05 10/03/1971 1.24 07/20/1972 1.95 05/02/1973 1.85 08/03/1974 2.08 06/12/1975 2.33 05/30/1976 1.45 08/16/1978 3.60 07/12/1979 1.62 08/19/1980 1.60 06/13/1981 2.80 07/10/1982 2.01 06/27/1984 2.20 11/02/1985 2.51 07/25/1986 1.50 08/02/1987 2.65 08/16/1988 2.02 09/01/1989 1.85 Duration: 2 days 12/31/1906 1.72 08/11/1907 1.69 05/30/1908 2.56 06/22/1909 2.53 08/12/1910 1.85 07/23/1911 2.90 08/09/1912 2.20 06/19/1913 1.88 07/11/1914 4.52 06/06/1915 2.14 06/02/1916 2.74 08/18/1917 1.87 10/27/1918 1.95 08/21/1919 2.20 07/26/1920 3.42 03/19/1921 3.35 06/15/1922 3.02 10/18/1923 2.33 06/10/1939 2.32 06/23/1940 1.80 08/29/1941 1.63 10/04/1942 3.07 06/15/1943 3.10 05/31/1944 3.24 09/23/1945 2.21 09/09/1946 1.99 04/05/1947 2.56 07/03/1949 3.05 04/10/1950 1.10 09/26/1951 2.01 07/10/1952 3.06 06/30/1953 4.67 04/26/1954 2.04 10/04/1955 1.43 06/30/1956 1.80 09/01/1957 2.14 07/04/1958 3.06 10/24/1959 3.26 05/06/1960 3.27 09/30/1961 2.11 06/10/1962 3.29 05/07/1963 1.69 07/24/1964 2.24 11/26/1965 2.19 06/04/1966 3.95 10/24/1967 3.67 06/30/1968 2.53 06/26/1969 2.73 10/28/1970 3.44 10/02/1971 1.87 09/25/1972 2.10 05/01/1973 3.50 08/02/1974 2.35 06/11/1975 2.51 05/29/1976 1.56 08/16/1978 3.88 06/15/1979 2.44 09/13/1980 2.60 06/13/1981 3.40 07/10/1982 3.66 06/27/1984 2.37 11/01/1985 3.01 07/25/1986 1.62 07/11/1987 3.85 08/16/1988 2.18 06/08/1989 2.71 Duration: 3 days 01/15/1906 1.74 05/13/1907 1.71 05/29/1908 2.64 06/22/1909 2.56 08/12/1910 1.87 07/23/1911 2.93 08/08/1912 2.35 06/27/1913 1.98 07/11/1914 4.57 06/19/1915 2.41 06/02/1916 3.51 06/04/1917 2.00 06/30/1918 2.22 10/28/1919 2.22 07/26/1920 3.45 03/18/1921 3.65 09/06/1922 3.44 08/21/1923 2.80 06/10/1939 2.35 06/23/1940 2.09 10/05/1941 2.10 10/04/1942 3.10 06/15/1943 4.16 05/31/1944 3.27 09/23/1945 2.23 09/08/1946 2.11 04/04/1947 3.06 07/03/1949 3.70 07/30/1950 1.45 07/26/1951 2.15 08/15/1952 3.39 06/30/1953 4.80 04/26/1954 2.06 10/05/1955 2.62 06/13/1956 2.06 09/01/1957 2.44 07/04/1958 3.09 10/23/1959 4.00 05/05/1960 3.64 09/29/1961 2.40 06/09/1962 3.35 05/08/1963 1.84 07/24/1964 3.20 09/19/1965 2.30 06/04/1966 4.50 10/24/1967 3.71 06/30/1968 2.56 06/25/1969 3.07 10/27/1970 3.59 10/02/1971 1.89 09/24/1972 2.12 05/01/1973 3.90 08/02/1974 2.45 06/11/1975 2.64 05/29/1976 1.62 06/15/1979 2.54 09/13/1980 2.63 08/01/1981 4.13 07/09/1982 3.76 06/27/1984 2.39 11/01/1985 3.51 10/12/1986 1.63 07/10/1987 3.97 08/14/1988 2.62 06/08/1989 2.74 Duration: 4 days 01/15/1906 2.10 05/13/1907 1.72 05/29/1908 2.67 06/22/1909 2.58 08/12/1910 1.89 07/23/1911 2.96 08/08/1912 2.37 06/27/1913 2.00 07/11/1914 4.61 06/18/1915 2.72 06/02/1916 3.54 06/04/1917 2.30 06/30/1918 2.24 10/28/1919 2.36 07/26/1920 3.49 03/18/1921 3.69 09/06/1922 3.62 08/20/1923 3.73 06/08/1939 2.38 06/22/1940 2.17 10/05/1941 2.12 10/04/1942 3.13 06/14/1943 4.34 05/31/1944 4.27 09/23/1945 2.64 09/07/1946 2.23 04/04/1947 3.09 07/03/1949 3.74 06/23/1950 1.84 07/25/1951 2.28 07/10/1952 3.91 06/30/1953 4.85 04/24/1954 2.39 10/04/1955 2.75 06/27/1956 2.08 09/21/1957 2.72 07/04/1958 3.14 10/22/1959 4.04 05/04/1960 4.33 09/29/1961 2.42 06/09/1962 3.38 08/30/1963 2.17 07/24/1964 3.31 11/26/1965 2.36 06/03/1966 4.63 10/24/1967 3.74 06/27/1968 3.59 06/25/1969 3.10 10/28/1970 4.05 09/30/1971 2.20 09/25/1972 2.59 05/01/1973 4.02 08/02/1974 2.47 06/12/1975 3.96 06/09/1976 1.81 09/10/1978 5.30 06/15/1979 2.56 09/13/1980 2.65 08/01/1981 4.17 07/10/1982 4.86 08/05/1984 2.42 11/01/1985 3.54 07/25/1986 1.68 07/09/1987 4.08 08/14/1988 2.65 06/08/1989 2.76 Duration: 7 days 01/15/1906 2.80 04/07/1907 2.20 05/26/1908 2.72 06/16/1909 2.95 08/12/1910 2.35 07/19/1911 4.00 08/06/1912 2.61 06/14/1913 2.15 07/11/1914 4.72 06/15/1915 2.91 06/02/1916 3.73 05/31/1917 3.08 10/04/1918 2.47 10/30/1919 3.71 07/23/1920 3.88 03/18/1921 4.10 07/06/1922 4.28 08/20/1923 3.77 06/07/1939 3.01 06/22/1940 2.40 10/26/1941 2.73 10/04/1942 3.16 06/12/1943 5.28 05/31/1944 4.36 09/20/1945 3.19 09/07/1946 2.25 04/04/1947 3.33 06/20/1949 4.77 06/20/1950 2.59 07/21/1951 3.31 07/08/1952 4.97 06/25/1953 5.08 09/09/1954 3.45 10/03/1955 3.00 06/26/1956 3.36 09/15/1957 3.26 08/29/1958 4.83 10/23/1959 4.14 05/04/1960 5.48 09/25/1961 2.49 06/05/1962 3.42 08/29/1963 2.25 07/24/1964 3.42 09/14/1965 3.00 06/03/1966 4.68 10/24/1967 4.41 06/25/1968 4.55 06/25/1969 3.34 10/24/1970 4.50 09/27/1971 2.61 07/17/1972 2.94 05/01/1973 4.67 08/16/1974 2.95 06/11/1975 4.84 06/09/1976 2.20 08/16/1978 7.70 07/25/1979 3.24 09/13/1980 3.29 08/01/1981 4.95 07/09/1982 7.21 08/02/1984 2.59 11/01/1985 3.66 07/19/1986 2.86 07/07/1987 4.15 08/10/1988 2.99 06/08/1989 3.66 Duration: 10 days 01/15/1906 3.10 09/11/1907 2.79 05/30/1908 3.24 06/16/1909 2.99 08/12/1910 3.42 07/23/1911 5.82 11/23/1912 3.38 06/27/1913 3.27 07/03/1914 4.90 06/13/1915 3.79 05/26/1916 4.90 05/31/1917 3.38 05/17/1918 2.78 10/28/1919 4.46 07/18/1920 4.52 03/18/1921 6.10 06/30/1922 4.59 08/20/1923 4.23 06/07/1939 3.41 05/14/1940 2.61 09/28/1941 3.16 05/29/1942 3.27 06/12/1943 5.92 05/31/1944 4.40 11/01/1945 3.93 06/07/1946 2.92 08/06/1947 4.05 06/25/1949 5.04 06/20/1950 2.70 07/20/1951 3.52 07/06/1952 5.29 06/24/1953 5.55 09/09/1954 4.10 09/29/1955 3.04 06/30/1956 3.73 09/15/1957 4.08 08/28/1958 5.46 09/19/1959 4.69 04/30/1960 6.81 09/22/1961 3.31 06/10/1962 4.19 08/29/1963 2.57 07/24/1964 4.12 09/12/1965 4.12 06/03/1966 4.79 10/24/1967 4.67 06/21/1968 6.53 06/18/1969 4.14 10/24/1970 5.04 09/30/1971 3.48 09/21/1972 3.29 05/01/1973 6.72 08/02/1974 3.59 06/11/1975 5.62 06/09/1976 2.46 08/16/1978 7.78 06/07/1979 3.78 09/13/1980 4.79 08/01/1981 5.03 07/09/1982 7.32 06/27/1984 3.08 11/01/1985 3.70 07/19/1986 3.04 07/03/1987 5.06 08/14/1988 3.22 06/08/1989 4.87 Duration: 20 days 10/08/1906 4.35 09/04/1907 3.90 06/30/1908 4.06 06/22/1909 4.39 08/03/1910 4.56 07/19/1911 7.72 08/21/1912 4.27 06/19/1913 5.07 06/23/1914 8.01 06/06/1915 6.51 05/26/1916 6.18 07/31/1917 4.44 05/09/1918 3.92 10/25/1919 7.69 07/09/1920 5.94 03/18/1921 6.10 06/27/1922 5.86 08/20/1923 6.95 05/23/1939 5.10 10/27/1940 3.93 09/25/1941 4.94 09/15/1942 5.10 05/31/1943 7.01 05/31/1944 5.34 10/25/1945 5.22 06/07/1946 4.19 08/06/1947 4.86 06/20/1949 8.86 03/26/1950 4.06 06/20/1951 5.27 07/07/1952 8.07 06/16/1953 8.03 09/04/1954 6.22 09/21/1955 3.89 06/26/1956 6.23 08/23/1957 4.40 08/23/1958 5.95 09/09/1959 5.56 04/21/1960 9.91 09/13/1961 4.99 06/05/1962 5.54 08/30/1963 3.64 04/27/1964 5.73 09/12/1965 5.99 05/18/1966 7.18 10/07/1967 6.15 06/11/1968 8.46 06/11/1969 6.40 10/24/1970 5.55 09/20/1971 4.81 08/15/1972 4.98 04/21/1973 7.33 08/03/1974 6.32 06/03/1975 7.39 05/30/1976 3.98 08/16/1978 10.15 05/31/1979 5.93 09/09/1980 5.54 05/28/1981 6.14 06/28/1982 7.81 08/05/1984 4.76 11/01/1985 5.18 07/25/1986 4.35 07/03/1987 5.62 08/04/1988 4.80 06/08/1989 6.63 Duration: 30 days 10/08/1906 4.77 09/08/1907 4.74 07/01/1908 4.47 06/22/1909 6.44 07/23/1910 6.23 07/09/1911 8.89 08/06/1912 5.59 06/14/1913 6.52 06/23/1914 9.58 06/06/1915 8.31 06/02/1916 7.83 05/31/1917 5.28 09/09/1918 4.94 10/20/1919 8.44 06/28/1920 8.96 03/18/1921 6.95 06/15/1922 9.03 08/13/1923 8.28 05/19/1939 6.22 10/14/1940 4.90 10/03/1941 6.75 09/05/1942 6.21 05/24/1943 8.15 05/06/1944 6.19 08/31/1945 6.07 05/20/1946 4.89 04/04/1947 6.20 06/20/1949 9.61 06/20/1950 4.78 07/01/1951 7.67 07/08/1952 10.68 06/03/1953 8.76 09/01/1954 7.22 10/03/1955 4.88 06/14/1956 7.91 08/23/1957 7.70 08/10/1958 7.67 06/24/1959 6.57 04/23/1960 11.10 09/02/1961 6.64 05/28/1962 5.92 08/09/1963 4.55 04/27/1964 7.78 09/05/1965 7.51 05/16/1966 7.62 10/07/1967 7.48 06/01/1968 10.70 06/03/1969 7.44 10/24/1970 6.99 09/28/1971 5.77 07/17/1972 6.83 04/15/1973 9.15 08/02/1974 7.56 05/24/1975 8.38 05/14/1976 4.52 08/16/1978 15.62 05/19/1979 7.70 08/24/1980 8.04 05/22/1981 6.54 07/05/1982 9.06 08/05/1984 6.43 11/02/1985 6.98 07/12/1986 5.91 07/11/1987 7.80 10/11/1988 6.66 05/25/1989 7.83 Duration: 45 days 10/19/1906 6.67 04/03/1907 6.36 04/19/1908 6.34 06/16/1909 8.26 07/23/1910 7.56 06/24/1911 10.94 08/08/1912 8.64 05/30/1913 7.96 06/19/1914 11.36 06/06/1915 9.55 05/10/1916 9.93 04/25/1917 6.93 08/06/1918 7.14 10/20/1919 10.59 06/23/1920 10.61 03/18/1921 11.00 05/30/1922 10.80 07/10/1923 10.03 05/21/1939 7.37 05/14/1940 6.62 08/24/1941 10.01 08/22/1942 8.11 06/12/1943 9.43 04/23/1944 8.68 08/24/1945 8.07 05/20/1946 6.61 08/06/1947 8.55 06/20/1949 12.27 06/20/1950 7.37 06/17/1951 10.84 07/07/1952 15.80 05/20/1953 11.39 09/04/1954 8.42 09/17/1955 5.92 06/07/1956 10.24 08/13/1957 8.93 07/24/1958 8.18 09/14/1959 10.35 04/07/1960 12.49 09/02/1961 7.63 05/13/1962 7.82 07/29/1963 6.07 04/13/1964 8.76 09/05/1965 8.72 05/14/1966 8.00 09/21/1967 7.97 05/21/1968 13.16 06/17/1969 8.41 10/21/1970 9.54 09/19/1971 8.45 07/18/1972 10.00 04/01/1973 10.80 08/02/1974 10.11 08/13/1975 10.45 05/03/1976 5.56 08/16/1978 17.42 05/14/1979 9.58 08/13/1980 10.93 05/02/1981 7.67 06/06/1982 10.27 06/27/1984 7.99 09/22/1985 8.73 09/02/1986 7.30 07/03/1987 9.68 10/04/1988 8.91 05/14/1989 9.32 Duration: 60 days 10/08/1906 8.73 03/19/1907 7.91 05/22/1908 8.23 06/01/1909 9.56 07/16/1910 8.79 06/23/1911 12.91 07/29/1912 9.42 05/21/1913 9.17 06/27/1914 13.23 06/06/1915 12.27 09/03/1916 12.75 04/25/1917 8.28 09/11/1918 8.65 09/14/1919 12.86 06/01/1920 13.73 03/18/1921 11.70 05/24/1922 12.08 07/05/1923 14.00 04/17/1939 8.93 06/22/1940 7.91 08/29/1941 11.73 08/06/1942 8.59 05/31/1943 11.28 05/31/1944 9.85 09/15/1945 10.70 05/04/1946 7.65 08/06/1947 9.63 06/12/1949 13.82 06/20/1950 8.53 05/31/1951 14.02 06/23/1952 17.89 05/20/1953 11.83 07/27/1954 10.13 09/27/1955 7.13 06/13/1956 12.26 07/28/1957 10.16 07/04/1958 9.59 08/03/1959 12.38 04/23/1960 13.93 09/06/1961 9.77 04/27/1962 9.61 07/16/1963 8.39 07/24/1964 11.47 07/31/1965 10.88 04/18/1966 8.79 09/26/1967 8.63 05/23/1968 16.19 05/05/1969 10.26 09/02/1970 11.40 05/18/1971 9.30 07/16/1972 11.22 05/01/1973 14.32 08/02/1974 12.98 05/14/1975 11.17 04/18/1976 6.99 08/16/1978 19.63 06/02/1979 12.26 07/29/1980 12.93 06/13/1981 10.16 07/09/1982 13.25 06/27/1984 10.21 09/22/1985 10.40 07/19/1986 9.84 06/25/1987 10.85 09/20/1988 11.07 04/30/1989 9.76