Precipitation annual maximum series (inches) Station ID: 16-1979 Station name: COLUMBIA LOCK State: LA Latitude (decimal degrees): 32.1667 Longitude (decimal degrees): -92.1072 Elevation (feet): 80 Duration: 1 day 10/31/1941 3.08 04/09/1942 4.20 05/21/1943 2.73 01/02/1944 2.36 06/12/1945 7.00 02/09/1946 3.75 04/11/1947 7.25 11/19/1948 6.64 01/03/1949 4.63 02/12/1950 3.90 01/03/1951 6.15 04/23/1952 4.25 05/17/1953 5.17 05/01/1954 2.90 05/24/1955 4.00 12/13/1956 5.78 06/28/1957 4.14 09/21/1958 4.48 03/11/1959 2.35 08/23/1960 2.00 11/03/1961 2.16 05/01/1962 2.20 07/25/1963 2.45 12/11/1964 3.57 03/30/1965 4.13 02/10/1966 5.62 04/14/1967 4.01 04/09/1968 5.72 12/30/1969 3.90 10/12/1970 3.30 07/25/1971 3.90 01/04/1972 5.36 03/16/1973 4.90 04/12/1974 8.05 02/16/1975 4.36 08/29/1976 2.04 03/04/1977 4.54 05/07/1978 4.80 12/13/1979 4.20 04/26/1980 4.07 03/04/1981 1.48 04/20/1982 5.50 05/19/1983 4.55 02/12/1984 4.38 02/24/1985 3.30 05/02/1986 4.00 11/16/1987 7.80 12/23/1988 3.25 05/18/1989 3.90 01/18/1990 4.25 12/13/1991 5.10 06/15/1992 4.25 06/23/1993 2.80 01/28/1994 4.20 04/23/1995 6.35 08/04/1996 3.60 10/24/1997 5.40 01/07/1998 4.30 01/30/1999 5.25 04/04/2000 3.60 11/29/2001 4.15 10/04/2002 4.50 05/15/2003 2.35 11/21/2004 3.25 09/25/2005 2.18 02/23/2006 3.00 02/08/2007 3.00 09/03/2008 5.50 03/14/2009 2.68 02/08/2010 9.00 Duration: 2 days 10/31/1941 5.28 05/14/1942 5.57 07/13/1943 3.02 04/30/1944 2.75 06/12/1945 7.54 02/09/1946 5.75 04/10/1947 7.82 11/18/1948 7.59 01/03/1949 4.99 06/02/1950 4.70 01/02/1951 7.85 04/23/1952 4.58 05/17/1953 7.56 05/01/1954 4.40 05/24/1955 4.31 12/12/1956 6.22 06/28/1957 4.46 09/20/1958 6.00 03/11/1959 2.54 08/22/1960 3.47 03/17/1961 3.43 04/11/1962 2.37 07/24/1963 2.91 12/10/1964 3.84 03/30/1965 4.86 02/10/1966 6.05 04/13/1967 4.32 04/08/1968 6.16 12/30/1969 4.20 10/12/1970 4.35 07/25/1971 4.38 01/04/1972 5.77 03/15/1973 5.28 04/12/1974 8.67 06/10/1975 6.42 05/13/1976 2.20 03/03/1977 4.89 05/07/1978 5.18 11/22/1979 4.86 05/16/1980 4.38 03/04/1981 2.08 12/26/1982 7.67 05/19/1983 7.90 02/12/1984 5.62 02/24/1985 4.00 10/13/1986 4.31 11/16/1987 10.80 12/22/1988 3.50 01/12/1989 6.71 01/18/1990 7.55 04/13/1991 7.60 06/15/1992 4.58 04/08/1993 3.25 10/16/1994 6.55 04/22/1995 7.55 08/03/1996 4.90 10/24/1997 5.82 12/11/1998 5.76 01/29/1999 7.22 04/03/2000 6.10 11/28/2001 6.65 10/04/2002 4.85 05/15/2003 2.53 12/06/2004 3.56 09/24/2005 2.55 12/30/2006 3.55 02/08/2007 3.23 09/02/2008 8.70 03/13/2009 3.15 02/08/2010 9.69 Duration: 3 days 10/31/1941 5.33 05/14/1942 5.62 07/13/1943 3.05 04/30/1944 3.66 06/12/1945 8.47 02/09/1946 5.81 04/09/1947 9.28 11/17/1948 8.86 01/03/1949 5.03 06/01/1950 4.75 01/02/1951 7.93 04/23/1952 4.62 05/17/1953 8.67 05/01/1954 4.44 02/04/1955 4.35 12/12/1956 6.29 11/06/1957 4.75 09/20/1958 6.84 03/11/1959 2.56 08/22/1960 3.50 02/20/1961 3.60 11/18/1962 2.39 07/25/1963 3.65 04/24/1964 3.95 03/30/1965 4.91 02/10/1966 6.93 12/14/1967 4.36 04/08/1968 6.42 12/29/1969 4.24 10/12/1970 4.39 05/10/1971 4.88 01/02/1972 6.89 03/15/1973 5.46 04/12/1974 8.75 06/10/1975 6.48 05/13/1976 2.64 03/04/1977 4.94 05/07/1978 6.18 11/22/1979 4.93 03/28/1980 4.43 03/02/1981 2.33 12/26/1982 8.81 05/19/1983 9.42 02/12/1984 5.67 10/28/1985 4.22 11/23/1986 4.80 11/16/1987 10.90 07/04/1988 3.83 01/12/1989 8.71 01/18/1990 10.25 04/13/1991 10.30 06/15/1992 4.62 06/21/1993 4.55 10/16/1994 7.25 04/21/1995 10.65 08/02/1996 6.90 10/22/1997 5.87 12/11/1998 5.82 01/29/1999 7.29 04/02/2000 7.10 11/27/2001 8.20 10/04/2002 4.89 11/16/2003 3.05 10/08/2004 4.35 09/24/2005 2.57 03/19/2006 4.13 07/16/2007 3.26 09/02/2008 9.36 03/25/2009 3.50 02/08/2010 9.79 Duration: 4 days 10/31/1941 5.38 05/14/1942 5.68 09/17/1943 3.25 04/30/1944 4.81 06/12/1945 8.65 02/09/1946 5.86 04/08/1947 10.56 11/16/1948 9.56 07/22/1949 5.08 02/09/1950 5.15 01/02/1951 8.00 04/20/1952 4.67 05/16/1953 9.55 05/01/1954 4.49 02/04/1955 4.39 12/12/1956 6.35 11/06/1957 4.80 09/18/1958 7.50 08/24/1959 2.82 08/22/1960 3.54 02/19/1961 4.00 04/28/1962 3.25 07/24/1963 4.11 04/24/1964 3.99 03/30/1965 4.96 02/10/1966 7.00 12/15/1967 4.96 11/28/1968 8.03 12/29/1969 4.28 10/12/1970 4.44 05/10/1971 5.37 01/02/1972 7.30 03/15/1973 5.51 04/12/1974 8.84 06/08/1975 6.87 08/29/1976 2.72 03/03/1977 4.99 05/07/1978 6.24 09/18/1979 7.03 05/16/1980 5.75 03/02/1981 2.93 12/25/1982 9.03 05/19/1983 10.13 02/10/1984 6.18 10/28/1985 4.75 11/23/1986 5.35 11/16/1987 11.01 07/04/1988 4.56 01/12/1989 8.83 01/18/1990 10.82 04/12/1991 11.06 10/30/1992 4.76 06/20/1993 4.76 10/16/1994 7.85 04/21/1995 10.75 08/01/1996 8.00 04/26/1997 5.93 12/11/1998 5.87 01/29/1999 7.36 04/02/2000 7.17 11/27/2001 9.00 10/04/2002 4.94 05/15/2003 4.20 11/21/2004 5.38 09/24/2005 2.60 02/23/2006 5.56 07/15/2007 4.43 09/02/2008 9.45 10/28/2009 4.00 02/05/2010 9.88 Duration: 7 days 10/31/1941 6.53 05/14/1942 7.27 12/23/1943 3.60 04/30/1944 7.34 06/11/1945 8.80 01/03/1946 7.32 04/08/1947 10.83 11/16/1948 10.46 03/21/1949 5.72 02/08/1950 7.08 01/02/1951 8.63 01/27/1952 4.71 05/13/1953 11.20 05/01/1954 4.55 07/14/1955 5.05 12/12/1956 6.95 06/23/1957 5.34 09/16/1958 8.94 08/21/1959 4.42 08/22/1960 3.57 02/17/1961 5.41 04/25/1962 3.91 07/23/1963 4.30 04/22/1964 4.10 03/26/1965 6.27 02/10/1966 7.07 12/12/1967 5.90 11/27/1968 8.35 12/25/1969 4.42 10/08/1970 5.53 07/25/1971 8.60 12/30/1971 7.37 03/11/1973 8.08 04/12/1974 8.93 06/06/1975 7.37 05/07/1976 3.45 03/03/1977 5.03 05/07/1978 7.39 09/18/1979 7.10 05/16/1980 7.98 06/01/1981 3.56 12/23/1982 9.15 05/15/1983 15.40 02/10/1984 6.49 10/24/1985 5.64 11/20/1986 6.10 11/16/1987 11.12 12/22/1988 5.41 01/08/1989 9.65 01/18/1990 11.22 04/12/1991 13.76 06/09/1992 6.73 06/20/1993 6.01 10/12/1994 8.98 04/21/1995 10.86 07/29/1996 9.09 04/23/1997 6.21 12/07/1998 7.23 01/29/1999 7.43 03/29/2000 7.76 11/24/2001 9.45 10/04/2002 5.80 05/12/2003 4.45 11/18/2004 6.16 09/24/2005 2.63 02/20/2006 6.00 07/13/2007 4.91 09/02/2008 9.55 07/28/2009 6.02 02/08/2010 10.78 Duration: 10 days 10/27/1941 7.20 05/14/1942 7.34 12/24/1943 5.03 04/30/1944 7.41 06/11/1945 8.89 01/03/1946 9.07 04/02/1947 12.91 11/13/1948 10.66 12/25/1948 7.10 02/08/1950 7.15 01/02/1951 9.43 01/27/1952 4.76 05/11/1953 12.44 05/01/1954 5.46 05/15/1955 6.23 12/13/1956 9.54 11/06/1957 7.98 09/12/1958 9.12 08/21/1959 4.46 08/16/1960 3.97 12/09/1961 7.21 04/24/1962 4.02 07/23/1963 4.72 11/20/1964 4.72 03/26/1965 6.33 04/21/1966 7.94 12/14/1967 6.34 04/02/1968 8.97 12/29/1969 5.05 10/08/1970 5.59 07/25/1971 9.25 01/02/1972 7.80 03/07/1973 8.85 01/03/1974 9.02 06/07/1975 7.73 05/07/1976 4.37 03/03/1977 7.15 05/03/1978 8.20 12/30/1978 7.94 05/13/1980 8.27 06/03/1981 3.78 12/25/1982 9.97 05/15/1983 16.15 02/27/1984 6.89 10/21/1985 6.66 11/17/1986 6.16 11/09/1987 12.38 12/23/1988 7.07 06/27/1989 10.00 01/18/1990 12.47 04/11/1991 13.90 06/07/1992 7.83 06/20/1993 6.98 10/12/1994 9.75 04/21/1995 10.97 07/26/1996 9.86 04/22/1997 6.31 12/07/1998 7.30 01/22/1999 8.32 03/26/2000 8.76 11/24/2001 9.54 10/04/2002 5.86 11/18/2003 4.95 06/23/2004 7.03 03/14/2005 3.48 12/29/2006 6.76 07/09/2007 6.08 08/26/2008 10.13 07/28/2009 6.08 02/04/2010 11.75 Duration: 20 days 10/17/1941 7.59 06/14/1942 8.79 12/23/1943 6.52 04/20/1944 10.03 06/03/1945 9.12 01/03/1946 10.98 04/02/1947 14.86 11/02/1948 14.34 12/15/1948 7.92 01/25/1950 10.06 01/02/1951 10.21 04/04/1952 6.83 04/29/1953 16.58 05/01/1954 7.71 01/18/1955 7.52 12/09/1956 10.56 11/06/1957 12.93 09/08/1958 11.22 08/08/1959 6.40 08/05/1960 6.48 12/05/1961 9.39 01/10/1962 6.33 07/09/1963 5.80 11/24/1964 8.00 03/12/1965 7.38 01/25/1966 9.85 11/29/1967 7.87 03/21/1968 11.57 12/25/1969 5.70 10/09/1970 6.44 07/25/1971 10.02 12/16/1971 9.92 03/07/1973 11.81 01/07/1974 14.42 04/28/1975 9.52 03/06/1976 6.18 02/24/1977 7.40 05/03/1978 9.17 04/04/1979 9.15 03/26/1980 8.75 05/26/1981 4.50 12/10/1982 11.58 05/03/1983 17.35 10/15/1984 8.38 10/14/1985 11.51 11/05/1986 8.26 11/09/1987 13.55 03/18/1988 6.94 12/28/1988 13.77 01/18/1990 16.33 04/11/1991 21.14 05/27/1992 10.85 06/12/1993 9.51 10/03/1994 11.10 04/11/1995 13.33 07/23/1996 13.60 12/21/1997 11.20 12/07/1998 8.88 01/14/1999 9.22 03/16/2000 11.98 11/27/2001 13.13 12/05/2002 8.03 11/16/2003 6.00 11/18/2004 11.24 03/08/2005 4.66 12/20/2006 9.62 07/02/2007 10.87 08/16/2008 13.02 03/13/2009 7.73 01/29/2010 13.00 Duration: 30 days 10/27/1941 11.04 06/07/1942 11.11 09/02/1943 7.47 04/23/1944 10.37 05/16/1945 11.84 01/03/1946 12.17 03/13/1947 17.25 11/02/1948 16.45 12/25/1948 9.90 01/25/1950 12.11 01/02/1951 11.70 04/04/1952 6.89 04/25/1953 19.45 05/01/1954 9.01 01/08/1955 10.53 12/09/1956 11.59 11/06/1957 13.50 09/04/1958 12.21 08/08/1959 8.11 08/02/1960 7.20 02/17/1961 11.46 01/01/1962 7.39 11/23/1963 7.08 11/13/1964 9.59 03/01/1965 8.57 01/14/1966 11.44 12/12/1967 12.89 11/03/1968 12.54 12/06/1969 8.05 10/08/1970 7.24 04/21/1971 11.06 12/06/1971 12.98 03/02/1973 12.69 01/03/1974 17.46 04/09/1975 10.15 03/05/1976 8.24 03/03/1977 9.64 04/23/1978 9.85 12/30/1978 13.90 03/28/1980 12.65 05/09/1981 6.48 11/28/1982 16.64 05/03/1983 17.95 02/10/1984 13.48 10/14/1985 11.78 10/09/1986 11.03 11/09/1987 13.77 03/03/1988 9.11 12/21/1988 17.58 12/31/1989 20.94 04/11/1991 25.61 06/01/1992 13.72 06/12/1993 9.78 10/08/1994 12.85 04/11/1995 14.84 07/15/1996 14.73 05/19/1997 10.79 01/05/1998 15.41 01/02/1999 13.02 03/11/2000 15.28 11/24/2001 16.93 05/30/2002 10.49 11/16/2003 7.29 11/18/2004 11.76 02/21/2005 6.43 02/20/2006 12.08 06/24/2007 11.51 08/09/2008 15.67 10/04/2009 11.59 01/16/2010 14.55 Duration: 45 days 10/10/1941 12.57 05/14/1942 16.09 09/02/1943 8.85 03/23/1944 13.24 05/08/1945 13.47 01/03/1946 19.86 03/07/1947 20.58 11/02/1948 16.78 01/03/1949 13.72 01/01/1950 14.68 01/02/1951 13.77 03/10/1952 9.77 04/06/1953 20.55 04/15/1954 10.61 01/09/1955 12.88 12/13/1956 15.07 10/15/1957 17.50 08/14/1958 13.71 07/24/1959 10.28 12/06/1960 8.89 02/17/1961 16.41 12/15/1961 10.43 06/17/1963 10.17 03/15/1964 9.96 02/17/1965 10.96 01/02/1966 14.08 11/27/1967 15.06 11/09/1968 14.94 11/19/1969 10.20 07/11/1970 9.86 11/29/1971 16.21 11/07/1972 11.26 03/07/1973 16.40 12/15/1973 22.93 04/28/1975 17.89 02/18/1976 10.15 02/24/1977 10.05 04/25/1978 11.23 12/30/1978 17.03 04/12/1980 16.41 05/01/1981 8.29 11/19/1982 22.52 04/08/1983 19.53 01/23/1984 15.62 09/26/1985 13.13 10/13/1986 16.25 11/16/1987 17.50 11/27/1988 14.11 05/17/1989 21.74 12/29/1989 25.92 04/08/1991 30.68 05/17/1992 18.05 03/02/1993 11.78 01/26/1994 16.92 03/14/1995 15.23 07/20/1996 15.82 04/22/1997 14.66 12/21/1997 21.21 12/19/1998 15.52 03/11/2000 16.75 11/24/2001 18.43 09/22/2002 12.91 11/16/2003 10.07 11/01/2004 14.88 02/08/2005 8.50 01/13/2006 14.79 12/26/2006 13.16 08/03/2008 18.31 09/17/2009 12.88 01/17/2010 16.65 Duration: 60 days 09/25/1941 15.14 05/14/1942 18.75 09/17/1943 10.28 03/07/1944 16.13 05/08/1945 15.44 12/24/1945 21.32 02/20/1947 22.81 11/05/1948 21.49 01/27/1949 14.70 01/04/1950 17.55 01/02/1951 13.89 04/04/1952 10.84 03/23/1953 21.75 04/11/1954 11.19 05/24/1955 14.97 12/09/1956 17.96 10/15/1957 18.33 08/10/1958 14.83 07/11/1959 12.18 11/10/1960 10.08 02/17/1961 18.69 12/09/1961 14.60 06/17/1963 11.11 03/02/1964 13.04 02/07/1965 15.27 04/04/1966 15.83 11/27/1967 16.59 03/21/1968 18.74 11/19/1969 11.48 08/18/1970 11.41 11/19/1971 19.63 10/23/1972 15.64 03/10/1973 21.35 12/20/1973 25.38 04/14/1975 19.81 02/01/1976 10.77 03/04/1977 13.00 04/11/1978 11.99 12/30/1978 21.03 03/24/1980 21.86 05/10/1981 9.39 11/12/1982 24.12 03/24/1983 23.61 02/10/1984 19.87 09/03/1985 17.73 10/01/1986 17.40 11/09/1987 20.70 11/27/1988 23.59 05/05/1989 28.45 12/29/1989 29.17 04/08/1991 34.48 04/17/1992 18.82 05/01/1993 13.93 01/12/1994 19.12 02/24/1995 20.79 06/14/1996 19.31 04/22/1997 17.64 12/21/1997 24.38 12/07/1998 22.75 03/11/2000 19.19 11/27/2001 20.22 09/17/2002 15.22 11/16/2003 11.07 05/12/2004 19.20 01/28/2005 11.15 01/23/2006 18.76 12/14/2006 17.52 07/25/2008 19.29 09/11/2009 15.87 12/16/2009 18.63