Precipitation annual maximum series (inches) Station ID: 13-4381 Station name: KEOKUK LOCK DAM 19 State: IA Latitude (decimal degrees): 40.3969 Longitude (decimal degrees): -91.3767 Elevation (feet): 527 Duration: 15 minutes 09/13/1972 0.80 05/26/1973 1.00 05/29/1974 0.60 09/18/1975 0.80 08/13/1976 0.70 09/17/1978 0.70 05/17/1980 1.10 07/03/1981 1.20 03/15/1982 0.80 10/11/1983 0.60 05/06/1986 0.90 05/24/1991 0.60 05/21/1992 1.50 08/10/1993 0.70 06/23/1994 0.40 06/23/2000 1.10 05/30/2001 1.00 07/08/2003 0.80 05/24/2004 1.00 07/26/2005 0.50 07/26/2006 0.60 06/22/2007 1.20 09/04/2008 0.70 06/01/2009 0.80 05/12/2010 1.00 Duration: 30 minutes 09/13/1972 1.30 05/26/1973 1.40 05/30/1974 1.00 09/18/1975 1.40 08/13/1976 1.10 09/17/1978 0.70 05/17/1980 1.60 07/03/1981 1.50 07/19/1982 1.20 10/11/1983 0.80 05/06/1986 1.40 09/03/1991 1.00 05/21/1992 2.10 08/10/1993 1.20 05/16/1995 2.00 06/23/2000 1.10 08/24/2001 1.40 07/08/2003 1.50 05/24/2004 1.60 07/26/2005 0.90 08/10/2006 1.00 06/22/2007 1.40 07/27/2008 0.90 06/01/2009 1.20 08/13/2010 1.30 Duration: 45 minutes 09/13/1972 1.40 05/26/1973 1.80 05/30/1974 1.00 09/18/1975 1.50 08/13/1976 1.20 09/17/1978 0.80 05/17/1980 1.70 07/03/1981 1.50 07/19/1982 1.20 10/11/1983 0.90 05/06/1986 1.80 09/03/1991 1.20 05/21/1992 2.40 08/10/1993 1.50 05/16/1995 2.20 06/23/2000 1.10 08/02/2001 1.70 07/08/2003 1.80 05/24/2004 1.60 07/26/2005 1.10 08/10/2006 1.40 06/22/2007 1.70 07/27/2008 1.20 06/01/2009 1.30 08/13/2010 1.70 Duration: 1 hour 06/02/1949 0.94 06/14/1950 1.31 09/12/1951 0.82 09/16/1952 0.87 06/13/1953 0.84 08/26/1954 1.40 09/29/1955 1.03 07/02/1956 1.05 03/25/1957 1.51 05/15/1958 1.28 08/04/1959 1.75 07/12/1960 2.26 09/13/1961 1.16 05/27/1962 1.35 07/06/1963 1.53 08/20/1964 0.90 07/02/1965 1.38 07/28/1966 1.78 07/27/1967 1.30 06/25/1968 1.80 07/06/1969 1.20 08/01/1970 1.30 05/31/1971 0.60 09/13/1972 1.38 05/26/1973 2.02 05/30/1974 1.38 09/18/1975 1.38 08/13/1976 1.19 04/10/1978 0.80 06/01/1980 1.65 07/03/1981 1.38 07/19/1982 1.10 10/11/1983 1.01 05/06/1986 2.02 05/24/1991 1.19 09/07/1992 2.29 08/18/1993 1.47 08/04/1994 0.70 05/16/1995 2.11 06/23/2000 1.01 08/22/2001 1.74 05/11/2002 2.90 07/08/2003 1.65 06/15/2004 1.56 07/26/2005 1.19 08/10/2006 1.47 06/22/2007 1.74 07/27/2008 1.19 06/01/2009 1.28 06/21/2010 1.65 Duration: 2 hours 06/02/1949 1.54 06/14/1950 1.55 09/12/1951 0.96 09/16/1952 1.29 06/13/1953 0.88 08/26/1954 1.75 10/05/1955 1.08 07/02/1956 1.30 03/25/1957 1.58 05/15/1958 1.72 08/04/1959 1.93 07/12/1960 3.09 09/13/1961 1.83 05/27/1962 1.55 07/06/1963 2.40 04/19/1964 1.17 07/02/1965 1.86 07/28/1966 1.90 07/28/1967 2.00 06/25/1968 2.70 09/03/1969 1.80 09/21/1970 1.90 05/05/1971 0.70 09/13/1972 1.54 10/03/1973 2.98 05/30/1974 1.83 09/18/1975 1.45 08/13/1976 1.35 05/27/1978 1.40 08/04/1980 2.02 07/03/1981 1.45 09/17/1982 1.63 10/11/1983 1.44 05/06/1986 2.60 09/03/1991 1.25 05/21/1992 2.60 07/22/1993 2.50 08/04/1994 1.06 06/24/2000 1.44 08/22/2001 2.69 05/11/2002 3.04 07/08/2003 1.83 08/27/2004 2.50 07/26/2005 1.63 08/10/2006 1.83 06/22/2007 2.50 07/27/2008 1.35 06/01/2009 1.44 06/21/2010 2.31 Duration: 3 hours 06/02/1949 1.66 06/13/1950 1.78 09/12/1951 1.01 09/16/1952 1.57 02/19/1953 0.90 03/24/1954 2.20 10/05/1955 1.10 07/02/1956 1.36 05/09/1957 1.61 05/15/1958 1.83 08/04/1959 2.10 07/12/1960 3.19 09/13/1961 2.35 05/27/1962 1.58 07/06/1963 2.63 04/19/1964 1.91 07/02/1965 2.26 07/28/1966 1.94 07/23/1967 2.50 06/25/1968 3.40 09/03/1969 1.90 09/21/1970 2.30 01/03/1971 0.80 09/13/1972 1.70 05/26/1973 3.30 05/30/1974 1.90 09/18/1975 1.50 08/13/1976 1.40 05/27/1978 2.00 05/17/1980 2.20 07/03/1981 1.70 09/17/1982 1.90 10/11/1983 1.70 05/06/1986 2.70 09/03/1991 1.30 05/21/1992 2.70 07/22/1993 2.90 08/04/1994 1.40 05/16/1995 3.60 10/04/1998 3.40 06/24/2000 1.50 08/22/2001 3.00 07/08/2003 2.10 08/27/2004 3.00 07/26/2005 1.70 08/10/2006 1.90 06/22/2007 2.80 07/27/2008 1.50 06/01/2009 1.60 06/21/2010 2.60 Duration: 6 hours 06/02/1949 1.91 06/13/1950 2.10 03/28/1951 1.24 08/14/1952 2.25 02/19/1953 1.14 03/24/1954 2.68 06/29/1955 1.75 07/02/1956 1.40 05/09/1957 1.63 05/15/1958 1.85 08/04/1959 2.16 06/22/1960 3.49 09/13/1961 3.26 05/27/1962 1.62 07/06/1963 2.66 04/19/1964 2.10 07/02/1965 2.52 07/28/1966 2.03 07/23/1967 2.52 06/24/1968 4.40 10/12/1969 2.00 09/21/1970 3.10 01/03/1971 1.10 09/13/1972 1.80 05/26/1973 3.90 07/03/1974 2.00 09/11/1975 1.60 08/13/1976 1.41 05/27/1978 2.20 05/17/1980 2.30 07/04/1981 2.30 04/16/1982 2.10 10/11/1983 1.90 05/06/1986 3.80 05/04/1991 1.31 05/21/1992 2.80 07/22/1993 3.50 08/04/1994 1.90 05/16/1995 4.40 10/04/1998 4.00 06/23/2000 1.90 08/22/2001 4.90 07/08/2003 2.60 08/27/2004 3.90 07/26/2005 2.10 08/10/2006 1.92 06/22/2007 2.90 06/24/2008 2.00 05/15/2009 2.00 06/21/2010 2.80 Duration: 12 hours 06/02/1949 2.03 06/13/1950 2.21 03/28/1951 1.79 08/14/1952 2.28 02/19/1953 1.16 03/24/1954 3.56 08/29/1955 2.24 07/02/1956 1.42 05/09/1957 1.81 05/15/1958 1.87 08/04/1959 2.18 06/22/1960 3.80 09/13/1961 4.67 05/27/1962 1.64 07/06/1963 2.75 04/19/1964 2.60 01/01/1965 2.68 07/28/1966 2.05 07/23/1967 2.55 06/24/1968 4.44 10/12/1969 2.70 09/21/1970 4.10 09/04/1971 1.74 09/13/1972 1.82 05/26/1973 4.70 07/03/1974 2.50 09/11/1975 1.80 04/23/1976 2.30 05/27/1978 2.22 05/31/1980 2.40 07/04/1981 3.30 04/16/1982 2.60 10/11/1983 2.00 10/02/1986 3.84 10/03/1991 2.00 05/21/1992 2.83 07/22/1993 3.54 02/19/1994 2.10 05/16/1995 4.50 06/23/2000 2.10 08/22/2001 4.95 07/08/2003 3.90 08/27/2004 3.94 07/26/2005 2.12 11/29/2006 2.60 06/22/2007 2.93 06/02/2008 2.50 05/15/2009 2.60 06/21/2010 4.00 Duration: 1 day 07/22/1872 4.20 12/11/1873 2.51 09/25/1874 3.20 07/31/1875 4.20 09/07/1876 4.79 07/26/1877 2.54 08/20/1878 2.17 08/05/1879 2.11 06/09/1880 2.15 06/19/1881 2.94 06/10/1882 2.13 02/16/1883 3.56 03/25/1884 1.95 06/13/1885 2.05 08/14/1886 3.73 12/03/1887 1.47 06/21/1888 1.86 07/02/1889 2.94 07/15/1890 2.08 01/01/1891 1.98 04/04/1892 2.64 05/26/1893 2.14 05/10/1894 1.90 07/19/1895 1.73 09/17/1896 2.94 07/24/1897 3.25 09/05/1898 2.89 09/08/1899 2.88 10/07/1900 2.44 06/06/1901 3.17 04/25/1902 2.08 04/11/1903 2.36 09/19/1904 3.01 06/10/1905 4.68 09/29/1906 2.04 03/29/1907 3.46 05/28/1908 2.41 06/08/1909 2.50 05/02/1910 2.94 09/25/1911 2.64 07/21/1912 2.10 06/25/1913 1.85 06/14/1914 1.93 06/11/1915 3.77 05/24/1916 1.74 06/05/1917 3.47 05/28/1918 2.47 08/13/1919 1.63 06/02/1920 1.59 08/02/1921 3.19 07/11/1922 2.46 05/12/1923 1.14 08/06/1924 2.77 07/07/1925 2.72 06/14/1926 2.78 06/12/1927 2.51 11/17/1928 2.74 07/15/1929 1.87 11/30/1930 2.05 09/01/1931 2.76 08/01/1932 4.16 06/29/1933 3.84 06/08/1934 1.38 07/23/1935 2.33 09/26/1936 4.37 08/03/1937 2.24 01/23/1938 2.33 05/27/1939 2.23 08/17/1940 2.08 10/02/1941 3.04 07/04/1943 2.93 08/26/1944 2.58 06/15/1945 1.93 12/12/1946 2.38 09/21/1947 2.58 03/29/1951 1.74 08/15/1952 2.05 02/20/1953 1.04 03/25/1954 4.35 08/30/1955 2.21 07/03/1956 2.37 05/10/1957 2.48 06/13/1958 2.03 08/04/1959 2.10 06/23/1960 3.39 09/14/1961 5.44 07/08/1962 1.68 07/07/1963 4.29 04/20/1964 3.51 01/02/1965 4.21 07/29/1966 2.08 07/29/1967 3.30 06/25/1968 4.29 10/13/1969 3.12 09/22/1970 4.02 09/05/1971 2.42 09/14/1972 1.62 05/27/1973 5.00 07/04/1974 2.32 09/19/1975 1.61 04/24/1976 2.77 05/06/1977 2.30 07/07/1978 2.14 07/25/1979 1.41 08/05/1980 3.39 07/04/1981 4.73 04/17/1982 2.50 04/02/1983 2.14 05/20/1984 2.40 03/04/1985 4.68 05/07/1986 3.84 06/20/1987 2.30 06/09/1988 1.73 06/12/1989 2.22 06/14/1990 3.06 05/05/1991 2.05 09/08/1992 2.53 07/22/1993 3.16 08/04/1994 1.88 05/17/1995 4.30 05/27/1996 2.93 02/21/1997 3.20 10/05/1998 4.17 09/28/1999 3.74 06/24/2000 3.30 08/23/2001 4.82 06/12/2002 3.87 07/09/2003 3.75 05/25/2004 4.02 07/27/2005 1.89 11/30/2006 3.30 06/23/2007 3.07 06/25/2008 2.23 05/16/2009 2.68 07/06/2010 3.66 Duration: 2 days 07/22/1872 4.52 12/11/1873 3.67 09/25/1874 3.45 07/31/1875 4.52 07/04/1876 5.28 06/19/1877 2.93 08/20/1878 2.34 08/05/1879 3.32 04/24/1880 2.49 06/18/1881 3.42 06/10/1882 2.95 02/15/1883 3.83 03/24/1884 2.10 08/01/1885 2.48 08/14/1886 4.54 02/10/1887 2.36 11/08/1888 2.14 07/02/1889 3.86 07/15/1890 2.24 08/15/1891 2.34 07/21/1892 3.02 05/26/1893 2.64 05/10/1894 2.17 07/18/1895 2.44 09/17/1896 3.17 07/24/1897 3.93 09/05/1898 4.83 05/20/1899 3.48 10/07/1900 2.63 06/05/1901 3.41 08/04/1902 3.02 04/10/1903 2.86 09/19/1904 3.24 06/10/1905 5.04 09/28/1906 2.20 03/28/1907 3.73 05/28/1908 3.45 07/06/1909 3.57 05/02/1910 3.17 09/24/1911 2.84 07/21/1912 2.26 06/25/1913 1.99 06/14/1914 2.08 06/11/1915 4.06 08/11/1916 2.16 06/05/1917 4.01 05/28/1918 3.64 05/03/1919 2.24 05/12/1920 1.82 08/02/1921 3.44 07/11/1922 4.78 06/27/1923 1.45 08/06/1924 3.09 07/07/1925 2.93 06/13/1926 4.00 06/12/1927 2.70 11/16/1928 3.50 03/31/1929 2.04 11/29/1930 2.21 09/01/1931 2.98 08/01/1932 4.48 06/28/1933 5.88 06/08/1934 1.58 07/23/1935 2.51 09/26/1936 4.71 04/20/1937 2.41 01/23/1938 2.88 05/26/1939 4.40 08/17/1940 2.24 10/02/1941 3.27 07/04/1943 3.51 08/25/1944 2.78 06/15/1945 3.22 12/11/1946 2.56 04/04/1947 3.78 03/28/1951 2.26 08/15/1952 2.25 03/30/1953 1.85 03/25/1954 4.68 10/05/1955 2.73 07/03/1956 3.06 10/23/1957 3.76 07/30/1958 3.16 10/05/1959 3.89 06/22/1960 3.65 09/13/1961 6.45 05/26/1962 1.93 07/06/1963 5.05 04/20/1964 4.10 01/01/1965 5.11 07/28/1966 3.66 07/28/1967 4.04 06/25/1968 5.10 10/12/1969 3.65 09/22/1970 5.77 09/05/1971 2.61 09/14/1972 2.02 05/27/1973 5.58 05/18/1974 3.27 04/23/1975 1.85 04/24/1976 3.54 05/06/1977 4.10 05/12/1978 2.88 04/11/1979 1.80 06/01/1980 5.00 07/04/1981 5.10 07/19/1982 2.79 04/02/1983 2.60 10/31/1984 2.87 03/04/1985 5.04 10/03/1986 4.76 06/20/1987 2.82 06/09/1988 1.86 06/12/1989 2.39 06/14/1990 3.31 10/04/1991 3.17 05/22/1992 3.27 07/21/1993 4.13 08/04/1994 2.02 05/17/1995 5.25 05/26/1996 3.90 02/21/1997 3.45 10/05/1998 4.60 09/28/1999 4.51 06/24/2000 3.79 08/23/2001 6.83 05/11/2002 4.41 07/09/2003 4.62 08/27/2004 4.52 08/13/2005 2.40 11/30/2006 4.01 06/22/2007 3.34 06/25/2008 3.04 05/15/2009 3.27 06/13/2010 4.71 06/14/2011 7.21 Duration: 3 days 07/20/1872 4.74 12/09/1873 3.88 09/25/1874 3.48 07/02/1875 5.27 09/05/1876 7.61 06/19/1877 3.63 08/20/1878 2.36 08/04/1879 3.36 05/29/1880 2.80 06/18/1881 3.64 06/09/1882 3.02 02/14/1883 3.87 03/24/1884 2.12 06/13/1885 2.68 08/13/1886 4.71 02/10/1887 2.38 11/08/1888 2.24 07/02/1889 3.90 09/05/1890 2.32 08/14/1891 3.01 07/21/1892 3.05 05/26/1893 2.67 05/10/1894 2.19 12/18/1895 3.02 09/17/1896 3.69 07/24/1897 4.11 09/05/1898 4.88 05/20/1899 3.95 10/07/1900 2.66 06/05/1901 3.45 08/04/1902 3.05 09/08/1903 3.23 04/24/1904 3.81 06/10/1905 5.09 09/28/1906 2.22 03/28/1907 3.77 05/28/1908 3.48 07/05/1909 4.22 05/01/1910 3.20 09/24/1911 2.87 07/21/1912 2.28 06/23/1913 2.74 06/14/1914 2.10 09/09/1915 4.17 08/11/1916 3.05 06/05/1917 4.05 05/28/1918 3.71 05/03/1919 2.26 07/06/1920 1.86 03/06/1921 3.47 07/10/1922 5.38 03/10/1923 1.58 08/06/1924 3.12 08/10/1925 2.96 06/12/1926 5.48 06/02/1927 2.78 11/15/1928 3.89 03/30/1929 2.06 11/29/1930 2.23 08/31/1931 3.12 08/01/1932 4.52 06/28/1933 5.94 08/31/1934 2.30 07/21/1935 2.76 09/26/1936 4.76 04/20/1937 2.44 01/23/1938 2.92 05/25/1939 4.49 08/16/1940 2.26 10/02/1941 3.86 07/03/1943 3.54 03/13/1944 2.84 06/15/1945 3.25 12/11/1946 2.59 04/03/1947 4.26 03/28/1951 2.33 08/15/1952 2.32 03/30/1953 1.90 03/25/1954 4.73 10/05/1955 2.90 07/02/1956 3.25 10/23/1957 3.80 07/29/1958 3.22 08/04/1959 4.66 06/21/1960 5.25 09/12/1961 7.56 05/27/1962 2.39 07/05/1963 6.00 04/19/1964 4.19 01/01/1965 5.16 07/27/1966 4.15 07/29/1967 4.73 06/25/1968 5.31 10/11/1969 6.52 09/22/1970 6.22 09/05/1971 2.64 07/18/1972 2.10 05/27/1973 5.82 05/17/1974 3.85 09/17/1975 1.91 04/23/1976 3.73 05/05/1977 4.77 09/16/1978 3.52 04/11/1979 1.82 06/01/1980 5.21 07/04/1981 5.15 07/19/1982 3.15 04/01/1983 2.64 10/31/1984 2.93 03/04/1985 5.09 10/03/1986 4.81 09/15/1987 3.12 06/09/1988 1.88 06/12/1989 2.41 06/20/1990 3.86 10/03/1991 3.20 09/08/1992 3.50 08/10/1993 4.37 08/04/1994 2.05 05/17/1995 5.54 05/25/1996 4.34 02/21/1997 3.48 10/04/1998 4.67 09/27/1999 4.85 06/24/2000 4.70 08/23/2001 7.03 06/11/2002 4.62 07/09/2003 4.66 08/26/2004 4.56 04/21/2005 2.43 11/29/2006 4.50 06/22/2007 3.37 06/25/2008 3.23 03/08/2009 3.78 06/21/2010 5.08 06/14/2011 7.28 Duration: 4 days 07/20/1872 4.92 12/08/1873 5.17 09/25/1874 3.52 07/02/1875 5.83 09/05/1876 7.98 06/19/1877 3.67 08/17/1878 2.99 08/04/1879 3.39 05/26/1880 3.55 06/18/1881 4.04 06/10/1882 3.39 02/13/1883 4.17 12/27/1884 2.45 06/12/1885 2.80 08/12/1886 5.13 02/08/1887 3.30 06/21/1888 2.53 06/30/1889 3.94 09/05/1890 2.34 08/14/1891 3.04 07/19/1892 3.74 05/26/1893 2.79 05/10/1894 2.21 12/18/1895 3.20 09/17/1896 3.73 07/24/1897 4.15 09/05/1898 4.93 05/20/1899 3.99 10/07/1900 2.69 06/03/1901 3.48 08/04/1902 3.08 09/08/1903 3.26 09/24/1904 4.39 06/10/1905 5.14 09/28/1906 2.24 03/28/1907 3.81 05/26/1908 3.90 07/05/1909 4.54 05/01/1910 3.23 09/25/1911 3.64 07/21/1912 2.31 06/22/1913 3.23 09/08/1914 2.12 09/09/1915 4.21 08/11/1916 3.08 06/05/1917 4.09 05/28/1918 3.75 09/19/1919 2.44 07/06/1920 1.88 03/06/1921 3.56 07/10/1922 5.43 08/05/1923 1.91 08/06/1924 4.35 10/01/1925 2.99 06/11/1926 5.56 06/02/1927 2.81 11/15/1928 3.97 07/12/1929 2.92 11/29/1930 2.25 08/30/1931 3.15 08/01/1932 4.57 06/28/1933 6.00 08/31/1934 2.84 07/20/1935 3.33 09/26/1936 4.81 04/20/1937 2.46 11/04/1938 3.31 05/25/1939 4.53 08/16/1940 2.28 10/02/1941 3.90 07/03/1943 3.58 03/13/1944 2.87 06/06/1945 3.30 12/09/1946 2.62 04/03/1947 4.30 03/28/1951 2.35 08/12/1952 2.85 03/30/1953 1.92 03/25/1954 4.78 10/05/1955 2.93 07/02/1956 3.29 10/23/1957 3.84 07/30/1958 3.71 08/03/1959 4.71 06/21/1960 5.30 09/12/1961 7.63 05/26/1962 2.66 07/04/1963 6.06 04/18/1964 4.44 01/01/1965 5.21 07/27/1966 4.19 07/28/1967 6.11 06/25/1968 5.36 10/10/1969 7.40 09/22/1970 6.28 09/05/1971 2.67 07/18/1972 2.12 05/25/1973 5.94 05/17/1974 3.98 09/17/1975 1.93 04/21/1976 3.94 05/05/1977 4.82 09/16/1978 3.55 04/09/1979 1.85 05/31/1980 5.27 07/04/1981 5.20 12/02/1982 3.48 04/02/1983 2.89 10/31/1984 2.96 03/01/1985 5.14 09/30/1986 7.15 09/15/1987 3.15 06/09/1988 1.90 06/12/1989 2.44 06/14/1990 5.51 10/03/1991 3.23 09/08/1992 3.53 07/21/1993 4.50 08/02/1994 2.10 05/17/1995 5.59 05/08/1996 4.67 02/21/1997 3.52 10/03/1998 5.08 09/27/1999 4.90 06/24/2000 4.75 08/23/2001 7.10 05/09/2002 5.26 07/09/2003 4.71 08/25/2004 4.61 04/21/2005 2.45 11/28/2006 4.63 06/22/2007 3.41 09/12/2008 3.26 03/08/2009 4.05 06/21/2010 5.86 06/14/2011 7.35 Duration: 7 days 07/17/1872 5.53 12/06/1873 6.49 09/19/1874 4.02 07/01/1875 6.23 09/01/1876 8.24 06/19/1877 5.19 08/17/1878 3.35 08/04/1879 3.43 05/25/1880 4.80 09/30/1881 4.31 06/25/1882 3.74 02/10/1883 4.21 12/24/1884 2.76 07/31/1885 3.25 08/12/1886 5.67 02/06/1887 4.16 06/20/1888 3.78 06/30/1889 3.98 09/02/1890 2.64 08/15/1891 3.95 07/19/1892 3.78 05/26/1893 3.30 05/06/1894 2.66 07/15/1895 3.57 09/11/1896 6.00 07/21/1897 4.59 09/05/1898 4.98 05/20/1899 4.99 10/02/1900 3.70 06/05/1901 4.17 08/04/1902 4.01 09/09/1903 4.72 09/19/1904 5.73 06/10/1905 5.19 09/28/1906 2.27 07/15/1907 4.41 05/23/1908 4.56 07/05/1909 4.58 05/02/1910 3.75 09/25/1911 5.75 07/21/1912 2.33 06/22/1913 3.36 09/11/1914 3.41 09/09/1915 5.29 08/08/1916 4.19 05/31/1917 4.68 05/24/1918 3.79 05/03/1919 3.18 05/12/1920 2.58 09/05/1921 3.66 07/07/1922 5.49 03/10/1923 2.86 08/06/1924 4.39 08/07/1925 3.72 06/11/1926 6.93 09/27/1927 3.49 11/15/1928 4.01 07/09/1929 4.11 11/30/1930 2.58 06/06/1931 4.85 08/01/1932 5.19 06/24/1933 6.71 08/31/1934 3.40 05/27/1935 3.90 09/26/1936 4.85 07/08/1937 3.39 11/03/1938 3.59 05/25/1939 4.58 08/05/1940 2.52 10/02/1941 6.33 07/03/1943 3.62 03/11/1944 3.46 06/15/1945 3.65 06/12/1946 2.84 03/31/1947 4.38 08/21/1951 2.78 08/15/1952 3.28 06/08/1953 2.28 03/19/1954 5.02 09/30/1955 3.95 07/02/1956 3.99 10/23/1957 3.88 07/27/1958 4.11 10/03/1959 4.97 06/17/1960 5.35 09/12/1961 7.71 07/02/1962 3.47 07/04/1963 6.12 04/18/1964 4.49 01/01/1965 5.26 07/27/1966 4.23 07/24/1967 6.97 06/22/1968 5.42 10/10/1969 7.47 09/22/1970 6.55 09/05/1971 2.98 06/09/1972 2.97 05/22/1973 6.44 05/14/1974 5.32 05/25/1975 3.05 04/19/1976 5.27 08/06/1977 5.19 05/07/1978 4.61 04/11/1979 1.94 08/31/1980 6.13 06/30/1981 6.13 07/14/1982 3.67 04/01/1983 3.34 10/15/1984 4.03 03/01/1985 5.19 09/28/1986 8.39 09/12/1987 3.50 08/19/1988 1.92 06/12/1989 2.46 06/14/1990 8.43 10/03/1991 3.26 07/10/1992 4.54 06/25/1993 6.21 10/31/1994 3.24 05/13/1995 6.41 05/05/1996 5.95 02/21/1997 4.71 09/30/1998 5.33 09/28/1999 5.19 06/20/2000 5.85 08/23/2001 7.17 05/06/2002 6.01 07/06/2003 4.76 08/24/2004 5.07 04/21/2005 2.75 11/28/2006 4.68 06/19/2007 3.71 09/09/2008 4.80 03/07/2009 4.25 06/19/2010 6.69 06/10/2011 8.42 Duration: 10 days 07/17/1872 5.70 12/03/1873 8.45 09/18/1874 6.15 06/27/1875 6.98 08/30/1876 8.71 06/16/1877 5.29 08/17/1878 3.43 07/28/1879 3.58 05/25/1880 4.85 09/30/1881 5.48 06/25/1882 4.86 02/15/1883 4.76 06/01/1884 3.42 06/12/1885 4.38 08/09/1886 5.73 02/06/1887 4.36 06/19/1888 3.94 07/02/1889 5.16 04/30/1890 2.84 08/12/1891 4.77 03/26/1892 4.16 05/23/1893 3.52 09/13/1894 3.43 12/18/1895 3.98 09/10/1896 6.95 06/24/1897 4.88 09/05/1898 5.50 05/20/1899 5.81 09/28/1900 4.58 06/05/1901 4.37 08/04/1902 4.71 09/08/1903 5.26 09/19/1904 7.63 06/10/1905 5.24 09/21/1906 2.29 07/11/1907 5.07 05/22/1908 5.10 06/28/1909 5.22 05/02/1910 4.73 09/25/1911 6.08 07/12/1912 2.77 06/22/1913 3.39 09/08/1914 4.03 06/11/1915 6.05 08/08/1916 4.57 06/05/1917 5.23 05/20/1918 4.25 09/19/1919 3.88 07/06/1920 3.08 03/06/1921 4.28 07/10/1922 5.54 03/10/1923 2.89 08/06/1924 4.44 09/26/1925 4.10 06/12/1926 7.16 06/03/1927 4.83 11/10/1928 4.05 07/06/1929 5.40 06/26/1930 2.73 06/03/1931 5.17 08/01/1932 5.24 06/21/1933 6.78 08/31/1934 3.43 05/28/1935 4.27 09/23/1936 4.90 07/25/1937 3.53 11/03/1938 3.63 05/18/1939 4.63 08/08/1940 4.31 09/30/1941 7.86 06/28/1943 3.85 08/21/1944 3.89 06/07/1945 5.79 08/05/1946 3.14 06/04/1947 5.11 08/21/1951 2.81 08/12/1952 3.90 06/06/1953 2.68 03/19/1954 5.07 09/27/1955 4.77 07/02/1956 4.03 10/15/1957 5.85 07/29/1958 5.13 09/27/1959 7.29 06/22/1960 7.34 09/12/1961 7.79 05/26/1962 3.77 07/04/1963 7.70 04/18/1964 5.10 06/30/1965 5.32 07/27/1966 4.27 07/22/1967 9.40 06/22/1968 5.47 10/06/1969 7.55 09/13/1970 7.66 09/05/1971 3.01 09/12/1972 3.57 09/25/1973 7.43 05/11/1974 5.60 09/11/1975 3.67 04/18/1976 5.45 08/03/1977 5.51 05/05/1978 5.80 04/12/1979 2.30 08/31/1980 6.19 06/28/1981 6.19 11/28/1982 4.08 03/26/1983 4.11 10/11/1984 4.26 02/23/1985 6.90 09/24/1986 9.22 09/08/1987 3.64 08/19/1988 2.07 09/06/1989 2.68 06/14/1990 9.50 10/03/1991 3.30 07/08/1992 5.21 06/25/1993 6.27 10/31/1994 3.34 05/17/1995 8.35 05/03/1996 6.10 02/21/1997 4.95 09/30/1998 5.38 09/27/1999 5.53 06/17/2000 6.39 08/16/2001 7.45 08/16/2002 6.53 07/06/2003 4.81 08/19/2004 5.53 05/12/2005 2.92 11/28/2006 4.73 08/17/2007 3.96 09/05/2008 6.10 10/22/2009 5.24 06/13/2010 9.58 06/14/2011 8.91 Duration: 20 days 07/07/1872 6.32 11/23/1873 9.17 09/12/1874 7.42 06/17/1875 10.11 09/05/1876 9.91 06/07/1877 7.08 08/01/1878 4.83 07/21/1879 4.55 05/26/1880 7.37 09/27/1881 9.15 06/09/1882 7.60 09/29/1883 5.98 12/27/1884 4.15 06/02/1885 6.08 07/30/1886 5.94 02/06/1887 5.17 06/20/1888 7.10 05/11/1889 5.71 04/26/1890 4.18 08/10/1891 5.76 04/02/1892 6.04 04/11/1893 5.13 09/03/1894 4.75 07/15/1895 5.28 07/15/1896 8.81 06/19/1897 6.71 09/05/1898 7.63 05/03/1899 8.72 09/19/1900 6.32 06/05/1901 6.26 08/04/1902 6.38 08/27/1903 8.57 09/12/1904 8.02 05/25/1905 6.36 03/26/1906 3.25 07/01/1907 6.35 05/11/1908 8.01 06/27/1909 6.08 04/23/1910 5.27 09/15/1911 7.72 07/02/1912 4.45 03/21/1913 4.55 08/29/1914 6.43 06/11/1915 9.01 05/12/1916 6.08 05/26/1917 6.38 05/12/1918 5.99 09/17/1919 4.92 06/30/1920 4.07 09/05/1921 6.83 07/10/1922 5.68 03/04/1923 3.54 07/22/1924 7.01 09/12/1925 5.28 09/01/1926 10.94 05/24/1927 6.85 11/02/1928 5.00 06/28/1929 5.76 11/16/1930 4.02 06/03/1931 6.54 08/01/1932 8.88 06/21/1933 7.89 08/31/1934 5.11 05/19/1935 5.79 09/12/1936 6.57 07/08/1937 4.32 03/22/1938 5.79 05/25/1939 5.91 08/02/1940 5.36 09/24/1941 9.57 05/06/1943 5.51 04/07/1944 5.69 06/05/1945 7.93 08/01/1946 4.10 06/04/1947 7.49 03/11/1951 4.77 08/15/1952 5.04 03/30/1953 2.96 03/25/1954 5.95 09/20/1955 5.71 07/29/1956 5.27 10/15/1957 6.08 07/14/1958 6.54 09/18/1959 9.56 06/12/1960 11.26 09/12/1961 11.27 05/23/1962 5.48 07/04/1963 8.94 04/02/1964 7.35 07/02/1965 7.05 07/27/1966 5.37 07/21/1967 9.82 06/11/1968 7.90 06/22/1969 11.58 09/07/1970 10.90 12/11/1971 3.85 06/10/1972 4.81 09/17/1973 8.77 05/12/1974 9.32 08/25/1975 6.12 04/18/1976 6.58 08/02/1977 7.12 05/05/1978 6.51 04/11/1979 4.03 08/31/1980 9.54 06/16/1981 9.87 07/02/1982 6.71 03/26/1983 5.82 10/14/1984 7.77 02/21/1985 9.36 09/17/1986 13.81 08/09/1987 4.37 08/05/1988 3.53 05/25/1989 3.98 06/06/1990 11.01 05/16/1991 3.88 07/12/1992 7.98 06/25/1993 11.42 04/21/1994 5.11 05/08/1995 12.13 05/08/1996 10.19 02/21/1997 5.99 09/30/1998 7.71 09/20/1999 6.03 06/14/2000 8.62 08/23/2001 8.62 04/24/2002 8.56 07/09/2003 6.18 05/23/2004 6.94 04/07/2005 4.80 11/13/2006 4.73 08/06/2007 4.50 09/03/2008 7.75 08/02/2009 7.00 06/05/2010 13.74 06/10/2011 13.59 Duration: 30 days 05/09/1872 8.92 11/16/1873 9.69 08/27/1874 10.26 06/14/1875 13.77 06/13/1876 11.97 07/08/1877 9.39 07/25/1878 6.55 07/21/1879 5.58 05/18/1880 7.79 09/27/1881 10.01 06/02/1882 10.16 05/25/1883 7.57 05/13/1884 5.08 05/24/1885 7.28 08/12/1886 7.07 01/22/1887 6.10 06/19/1888 9.01 05/11/1889 7.73 04/26/1890 4.68 07/23/1891 7.26 03/22/1892 8.12 04/10/1893 5.88 09/03/1894 5.18 07/08/1895 5.65 07/19/1896 10.04 06/27/1897 8.84 08/08/1898 10.61 04/28/1899 12.29 09/23/1900 6.43 06/01/1901 6.34 07/18/1902 8.20 09/08/1903 9.74 08/29/1904 8.81 06/10/1905 8.23 03/11/1906 3.76 06/22/1907 8.79 05/02/1908 10.09 06/08/1909 9.29 04/15/1910 6.88 09/05/1911 9.04 10/09/1912 5.73 03/14/1913 5.28 08/20/1914 7.22 05/24/1915 11.77 05/12/1916 7.56 05/30/1917 8.01 05/28/1918 7.42 09/17/1919 5.25 05/12/1920 5.19 09/02/1921 7.48 06/13/1922 6.46 09/05/1923 4.15 07/12/1924 8.72 09/09/1925 8.15 09/04/1926 13.83 05/23/1927 8.62 10/05/1928 6.85 06/19/1929 7.47 09/14/1930 4.54 08/28/1931 8.39 07/22/1932 10.31 04/29/1933 8.64 08/31/1934 7.45 05/08/1935 8.08 09/01/1936 7.59 07/08/1937 7.45 03/12/1938 6.26 05/25/1939 8.50 07/26/1940 7.24 10/02/1941 11.29 04/22/1943 8.12 04/09/1944 7.42 06/05/1945 9.26 07/15/1946 5.39 05/23/1947 10.45 02/28/1951 6.00 08/04/1952 6.06 05/17/1953 4.17 03/25/1954 7.86 09/14/1955 5.85 07/03/1956 5.61 05/10/1957 7.66 05/16/1958 8.38 09/09/1959 10.04 06/14/1960 13.43 09/03/1961 12.37 05/06/1962 6.05 07/04/1963 9.21 03/24/1964 8.73 01/01/1965 8.58 05/16/1966 6.13 07/02/1967 12.15 05/29/1968 8.20 06/15/1969 11.95 09/03/1970 12.73 09/05/1971 5.52 09/12/1972 5.79 04/30/1973 10.29 05/11/1974 12.37 08/21/1975 8.16 04/18/1976 7.74 08/05/1977 9.72 04/30/1978 9.13 04/12/1979 5.09 08/15/1980 9.94 06/22/1981 12.58 06/26/1982 7.73 10/12/1983 6.87 10/07/1984 9.87 02/10/1985 9.54 09/11/1986 15.64 08/19/1987 4.88 08/05/1988 3.85 05/18/1989 4.81 05/25/1990 13.03 05/04/1991 6.13 07/03/1992 11.42 06/25/1993 16.27 04/10/1994 6.88 05/04/1995 14.49 04/29/1996 12.47 02/21/1997 6.05 06/09/1998 9.59 04/06/1999 7.54 06/12/2000 11.29 08/23/2001 9.93 04/21/2002 10.18 06/26/2003 7.11 05/19/2004 9.13 09/09/2005 6.30 11/28/2006 5.64 05/25/2007 5.85 05/31/2008 9.01 08/02/2009 8.58 06/09/2010 16.72 06/01/2011 16.31 Duration: 45 days 04/26/1872 11.09 11/22/1873 11.11 08/13/1874 10.91 06/17/1875 16.58 08/17/1876 13.61 06/19/1877 12.25 07/18/1878 8.22 11/26/1879 6.18 04/18/1880 9.26 09/28/1881 11.74 05/20/1882 14.16 05/08/1883 9.84 08/25/1884 6.95 05/17/1885 9.15 08/12/1886 9.30 01/22/1887 6.81 06/15/1888 11.02 05/28/1889 9.69 09/02/1890 6.86 07/14/1891 8.35 03/22/1892 11.18 04/18/1893 8.44 04/09/1894 5.75 06/18/1895 7.19 07/03/1896 11.43 06/22/1897 11.82 08/14/1898 13.76 04/28/1899 14.53 08/24/1900 9.65 05/23/1901 6.44 06/28/1902 11.84 08/25/1903 13.26 08/14/1904 11.33 05/29/1905 10.09 02/13/1906 5.32 06/07/1907 12.17 05/02/1908 12.34 05/25/1909 11.32 04/15/1910 8.90 08/24/1911 9.52 10/03/1912 6.28 02/26/1913 6.33 08/28/1914 7.86 05/20/1915 15.53 05/08/1916 9.77 04/27/1917 9.14 05/18/1918 10.00 04/22/1919 7.61 03/11/1920 6.62 08/02/1921 10.53 07/10/1922 9.30 07/27/1923 5.56 06/23/1924 10.03 09/09/1925 8.75 08/30/1926 16.80 05/08/1927 10.70 10/05/1928 10.88 06/01/1929 9.62 08/29/1930 5.07 05/09/1931 10.28 07/04/1932 12.47 05/18/1933 11.10 08/15/1934 8.16 05/08/1935 11.11 08/27/1936 8.56 07/08/1937 9.09 03/25/1938 8.00 05/25/1939 10.13 07/15/1940 8.23 09/07/1941 13.65 04/25/1943 10.09 04/09/1944 9.77 05/07/1945 10.87 07/15/1946 6.43 05/17/1947 12.87 02/13/1951 7.98 08/04/1952 8.24 06/08/1953 5.43 03/19/1954 9.64 04/23/1955 8.26 07/02/1956 9.75 05/09/1957 10.31 07/02/1958 11.01 08/26/1959 12.76 05/30/1960 17.12 09/03/1961 13.18 05/26/1962 9.15 07/06/1963 10.17 03/14/1964 9.90 06/02/1965 9.56 05/07/1966 8.00 06/17/1967 14.26 06/14/1968 11.74 05/31/1969 13.58 08/16/1970 16.88 08/21/1971 5.91 06/06/1972 8.21 04/16/1973 15.05 05/08/1974 14.07 08/06/1975 9.71 04/18/1976 7.95 08/05/1977 13.32 04/04/1978 11.10 03/28/1979 6.79 08/05/1980 14.68 06/13/1981 16.49 06/08/1982 9.94 10/12/1983 8.95 09/23/1984 11.20 10/19/1985 11.39 09/12/1986 17.16 08/04/1987 8.37 07/18/1988 4.32 05/18/1989 5.63 05/10/1990 16.26 04/12/1991 7.55 06/20/1992 12.13 06/29/1993 20.08 04/21/1994 8.07 04/17/1995 16.40 04/15/1996 14.01 05/17/1997 8.23 05/21/1998 12.56 04/04/1999 9.97 06/05/2000 12.54 07/18/2001 12.63 05/02/2002 13.80 06/07/2003 8.67 05/03/2004 10.45 04/07/2005 8.01 11/28/2006 7.09 03/24/2007 6.72 05/25/2008 10.65 07/15/2009 10.63 06/13/2010 22.02 05/15/2011 20.32 Duration: 60 days 06/01/1872 12.58 10/16/1873 13.13 08/24/1874 12.14 06/04/1875 20.85 05/06/1876 15.78 06/08/1877 15.53 07/18/1878 8.83 11/08/1879 8.21 04/15/1880 12.44 09/27/1881 12.79 05/05/1882 17.79 04/22/1883 11.92 08/28/1884 8.90 06/04/1885 11.44 07/30/1886 9.93 12/25/1886 7.37 05/18/1888 12.61 05/12/1889 13.66 04/22/1890 8.15 06/28/1891 10.04 03/21/1892 13.50 04/10/1893 10.59 04/30/1894 6.77 07/15/1895 9.07 07/22/1896 15.73 05/27/1897 13.30 07/28/1898 15.74 04/18/1899 16.45 08/11/1900 10.52 06/01/1901 8.34 06/20/1902 14.12 08/10/1903 13.93 07/31/1904 14.23 05/14/1905 11.24 02/13/1906 6.90 06/22/1907 14.58 05/04/1908 15.26 05/09/1909 12.01 04/15/1910 9.96 09/14/1911 10.75 09/15/1912 7.91 05/04/1913 8.04 08/20/1914 9.04 05/20/1915 19.71 04/24/1916 11.01 05/01/1917 11.00 05/07/1918 11.44 07/31/1919 9.72 05/12/1920 8.71 07/28/1921 12.86 07/07/1922 9.67 08/04/1923 8.26 06/12/1924 12.67 08/07/1925 12.42 08/09/1926 18.39 04/14/1927 11.83 09/21/1928 11.66 05/18/1929 11.08 08/10/1930 6.64 04/15/1931 11.89 06/20/1932 14.59 05/01/1933 15.31 08/24/1934 9.44 04/28/1935 13.89 09/05/1936 9.32 06/25/1937 9.77 03/25/1938 9.47 04/13/1939 11.37 07/11/1940 8.81 09/07/1941 16.21 05/07/1943 13.42 03/11/1944 11.99 05/02/1945 13.65 06/15/1946 8.37 05/02/1947 13.68 02/13/1951 9.59 07/22/1952 8.33 04/18/1953 6.30 08/16/1954 10.04 05/07/1955 9.95 06/18/1956 10.55 05/09/1957 13.10 06/09/1958 14.62 08/15/1959 13.92 05/16/1960 21.74 09/04/1961 16.36 05/26/1962 11.01 07/05/1963 12.23 03/05/1964 11.95 05/16/1965 11.81 04/17/1966 10.79 06/06/1967 18.42 06/11/1968 13.87 05/12/1969 14.94 08/01/1970 22.74 07/08/1971 7.44 06/10/1972 10.29 03/30/1973 17.83 05/07/1974 16.97 08/02/1975 10.18 03/01/1976 9.17 08/03/1977 14.23 04/04/1978 14.36 03/17/1979 8.53 07/21/1980 15.17 05/10/1981 18.30 05/26/1982 13.02 10/12/1983 10.87 09/09/1984 14.27 10/04/1985 14.10 09/07/1986 18.65 08/04/1987 8.67 08/05/1988 5.97 04/27/1989 6.38 04/27/1990 19.35 04/10/1991 9.22 06/07/1992 12.38 06/25/1993 23.77 04/06/1994 9.90 04/08/1995 20.01 03/31/1996 14.03 02/21/1997 10.27 09/14/1998 15.96 04/04/1999 10.82 06/11/2000 14.65 07/18/2001 13.93 04/21/2002 17.55 05/25/2003 10.01 04/21/2004 12.70 04/12/2005 10.45 11/28/2006 8.26 04/25/2007 8.80 06/03/2008 13.17 04/26/2009 12.65 06/02/2010 25.64 05/01/2011 20.43