Precipitation annual maximum series (inches) Station ID: 16-6962 Station name: OLD RIVER LOCK State: LA Latitude (decimal degrees): 31.0000 Longitude (decimal degrees): -91.6667 Elevation (feet): 70 Duration: 1 hour 12/16/1948 2.38 04/21/1949 2.50 05/13/1950 1.97 07/28/1951 1.85 05/18/1952 2.09 05/17/1953 2.13 12/28/1954 1.51 07/30/1955 1.75 04/04/1956 1.88 09/15/1957 1.75 04/09/1958 1.10 12/16/1959 1.53 08/18/1960 1.13 12/12/1961 1.36 05/30/1962 1.59 08/14/1963 2.00 08/07/1964 1.66 04/26/1965 1.35 10/13/1966 1.57 12/02/1967 1.64 08/12/1968 2.30 05/24/1969 1.40 08/17/1970 2.90 11/13/1972 1.40 11/04/1973 2.80 01/28/1974 1.70 04/30/1975 2.60 06/05/1976 1.20 04/20/1977 1.40 05/17/1978 1.30 07/30/1979 1.50 09/06/1980 3.00 06/26/1981 1.20 08/18/1982 1.40 05/21/1983 1.80 06/07/1985 1.70 08/05/1986 2.30 08/12/1987 1.90 02/14/1988 1.20 Duration: 2 hours 12/16/1948 2.96 07/03/1949 3.97 05/13/1950 2.06 07/28/1951 2.46 05/18/1952 2.43 05/17/1953 2.92 05/02/1954 2.16 05/19/1955 2.56 04/04/1956 2.40 06/27/1957 2.30 04/09/1958 1.50 12/16/1959 2.47 08/18/1960 1.37 12/12/1961 2.26 04/05/1962 2.44 08/14/1963 2.60 11/28/1964 2.28 04/26/1965 2.26 10/13/1966 2.12 04/14/1967 2.40 10/09/1968 2.41 12/06/1969 1.70 08/17/1970 3.30 11/13/1972 1.50 12/24/1973 3.10 07/06/1974 2.90 04/30/1975 3.20 01/25/1976 1.70 04/20/1977 2.60 05/17/1978 2.20 09/20/1979 2.00 09/06/1980 3.14 09/15/1981 1.80 08/18/1982 2.30 05/21/1983 2.50 06/06/1984 3.50 08/20/1985 1.90 08/05/1986 2.41 08/12/1987 2.10 09/16/1988 1.50 Duration: 3 hours 03/01/1948 3.70 07/03/1949 4.05 05/13/1950 2.11 07/28/1951 2.58 04/03/1952 2.72 05/17/1953 3.61 05/02/1954 2.56 05/19/1955 2.98 04/04/1956 2.45 06/27/1957 2.42 04/09/1958 1.90 12/16/1959 3.33 10/30/1960 1.56 11/13/1961 3.13 04/05/1962 2.85 08/14/1963 3.00 12/10/1964 2.58 09/10/1965 2.51 04/21/1966 2.28 04/14/1967 3.70 08/12/1968 2.47 12/06/1969 2.20 08/17/1970 3.40 12/30/1972 1.90 03/24/1973 3.40 07/06/1974 3.40 04/30/1975 3.50 01/25/1976 2.00 04/20/1977 2.70 05/17/1978 2.40 09/20/1979 2.40 09/06/1980 3.30 03/04/1981 1.90 02/15/1982 2.50 06/04/1983 3.30 06/06/1984 4.10 08/20/1985 2.10 11/23/1986 3.20 08/12/1987 2.30 09/16/1988 1.60 Duration: 6 hours 12/16/1948 4.78 07/03/1949 4.09 05/13/1950 2.47 07/28/1951 2.71 04/03/1952 2.94 05/17/1953 4.57 12/28/1954 3.37 07/30/1955 3.02 03/11/1956 2.94 06/27/1957 3.15 08/24/1958 2.75 12/16/1959 3.81 10/30/1960 2.23 03/16/1961 4.27 04/05/1962 3.16 08/14/1963 3.24 12/10/1964 3.19 09/10/1965 3.24 04/21/1966 2.84 04/14/1967 6.10 08/12/1968 2.56 12/06/1969 2.80 08/17/1970 3.43 12/30/1972 2.20 11/04/1973 6.30 07/06/1974 4.10 04/30/1975 3.70 05/10/1976 2.30 11/29/1977 3.50 08/28/1978 2.50 09/20/1979 3.30 09/06/1980 3.40 05/05/1981 3.20 12/26/1982 3.10 06/04/1983 3.50 09/30/1985 2.40 11/23/1986 4.40 01/17/1987 3.40 09/16/1988 1.80 Duration: 12 hours 12/16/1948 4.85 07/03/1949 4.16 01/05/1950 3.55 07/28/1951 2.80 05/18/1952 3.80 05/17/1953 7.55 12/28/1954 4.63 04/12/1955 3.94 12/19/1956 3.30 06/27/1957 4.99 08/24/1958 5.50 12/16/1959 4.95 10/30/1960 2.86 03/16/1961 6.08 04/05/1962 3.19 08/14/1963 3.27 10/03/1964 3.85 09/10/1965 3.60 04/21/1966 3.92 04/14/1967 9.83 08/12/1968 2.59 12/06/1969 4.40 08/17/1970 3.47 12/05/1972 2.70 11/04/1973 6.60 07/06/1974 4.20 04/30/1975 4.60 05/10/1976 2.70 04/20/1977 4.20 05/17/1978 2.70 09/20/1979 4.50 09/06/1980 3.43 05/04/1981 4.00 12/26/1982 4.80 04/05/1983 5.80 06/06/1984 6.70 09/30/1985 2.60 11/23/1986 4.70 01/17/1987 4.00 12/10/1988 1.82 Duration: 1 day 03/01/1948 6.81 07/03/1949 4.53 01/05/1950 5.47 01/29/1951 2.61 05/18/1952 4.09 05/18/1953 8.46 12/28/1954 4.31 02/05/1955 4.96 12/23/1956 5.00 06/27/1957 6.64 08/24/1958 4.91 12/16/1959 5.02 10/30/1960 3.44 11/13/1961 6.22 04/05/1962 3.46 08/14/1963 2.92 12/10/1964 3.68 09/10/1965 4.50 02/12/1966 3.54 04/15/1967 11.29 05/18/1968 3.73 12/07/1969 4.29 08/18/1970 4.55 12/06/1971 7.50 12/06/1972 3.12 11/05/1973 5.98 07/07/1974 3.75 05/01/1975 5.09 05/11/1976 2.41 04/21/1977 5.53 08/29/1978 3.21 04/22/1979 4.20 04/12/1980 3.48 05/05/1981 4.20 12/04/1982 5.09 04/06/1983 5.71 06/07/1984 4.90 10/28/1985 3.66 11/24/1986 6.43 01/18/1987 4.38 07/11/1988 2.14 Duration: 2 days 03/01/1948 8.12 04/21/1949 5.36 01/05/1950 7.56 01/31/1951 2.90 05/18/1952 4.40 05/17/1953 9.26 12/27/1954 4.86 02/04/1955 8.70 12/23/1956 5.38 06/27/1957 7.34 08/24/1958 5.29 12/16/1959 5.71 10/29/1960 3.80 03/16/1961 6.98 05/30/1962 4.18 01/19/1963 3.41 10/03/1964 4.10 09/10/1965 6.92 04/21/1966 4.32 04/14/1967 15.18 05/10/1968 4.10 12/06/1969 4.81 08/18/1970 5.10 12/05/1971 8.08 12/05/1972 3.85 12/25/1973 7.15 07/07/1974 4.62 04/30/1975 5.77 05/11/1976 2.79 04/21/1977 8.09 08/29/1978 3.46 04/22/1979 5.96 04/12/1980 6.04 05/05/1981 4.52 12/27/1982 6.35 04/06/1983 7.21 10/22/1984 5.28 10/27/1985 5.29 11/24/1986 8.85 01/18/1987 5.25 10/01/1988 3.27 Duration: 3 days 03/01/1948 8.96 04/20/1949 5.80 01/04/1950 8.00 01/29/1951 4.65 05/18/1952 4.58 05/16/1953 9.96 12/27/1954 5.05 02/04/1955 9.05 12/23/1956 5.44 06/27/1957 7.63 08/22/1958 6.04 12/15/1959 5.94 10/29/1960 3.95 03/16/1961 7.26 05/29/1962 5.15 01/17/1963 3.65 10/02/1964 4.26 09/10/1965 6.99 02/10/1966 5.05 04/14/1967 15.54 12/01/1968 4.14 12/06/1969 4.86 08/18/1970 5.15 12/05/1971 8.16 12/04/1972 3.94 12/24/1973 7.28 07/07/1974 4.66 04/29/1975 5.93 05/11/1976 3.62 04/20/1977 8.46 08/29/1978 3.49 04/21/1979 6.02 03/28/1980 6.14 05/05/1981 4.57 12/26/1982 6.41 04/06/1983 7.28 10/15/1984 5.90 10/28/1985 5.34 11/24/1986 8.94 01/17/1987 5.50 10/01/1988 3.30 Duration: 4 days 02/29/1948 9.45 04/20/1949 5.86 01/04/1950 8.08 01/29/1951 5.87 05/18/1952 4.62 05/15/1953 10.67 12/28/1954 5.31 02/04/1955 9.14 12/23/1956 5.49 06/27/1957 7.70 08/22/1958 6.10 12/15/1959 6.00 10/29/1960 3.99 03/16/1961 8.06 05/29/1962 5.20 01/17/1963 4.38 03/01/1964 4.30 09/10/1965 7.06 02/10/1966 5.57 04/14/1967 15.69 11/30/1968 4.18 12/06/1969 4.91 08/18/1970 5.20 12/03/1971 8.24 12/04/1972 3.98 12/24/1973 7.35 01/25/1974 5.83 04/29/1975 5.99 05/11/1976 4.03 04/19/1977 8.56 01/23/1978 3.53 04/20/1979 6.08 03/27/1980 7.05 05/05/1981 4.61 12/01/1982 6.69 04/05/1983 7.35 10/15/1984 5.97 10/27/1985 5.72 11/23/1986 9.14 01/16/1987 5.91 03/30/1988 4.09 Duration: 7 days 02/29/1948 10.63 04/21/1949 6.38 01/04/1950 8.55 01/29/1951 5.93 05/18/1952 6.45 05/13/1953 15.75 12/27/1954 5.53 02/04/1955 9.23 12/19/1956 8.30 06/27/1957 8.40 08/22/1958 6.16 12/11/1959 6.86 08/18/1960 4.65 03/13/1961 8.18 05/29/1962 6.53 01/17/1963 4.68 09/28/1964 5.15 09/06/1965 7.20 02/10/1966 7.70 04/11/1967 18.26 11/28/1968 4.53 07/18/1969 5.00 08/18/1970 5.25 12/01/1971 9.78 09/24/1972 4.48 12/20/1973 8.38 01/23/1974 7.71 04/29/1975 7.15 05/07/1976 5.25 04/18/1977 9.91 06/02/1978 4.20 04/20/1979 6.14 03/24/1980 7.37 05/01/1981 4.72 11/28/1982 9.24 05/16/1983 8.26 10/17/1984 8.50 10/24/1985 6.62 11/20/1986 10.14 01/16/1987 6.96 07/05/1988 4.90 Duration: 10 days 02/29/1948 10.96 04/20/1949 6.88 01/04/1950 8.87 01/29/1951 6.83 05/18/1952 6.52 05/13/1953 15.91 12/27/1954 5.59 02/04/1955 9.32 12/19/1956 8.38 06/27/1957 8.48 08/22/1958 6.22 12/11/1959 6.93 08/16/1960 4.90 12/08/1961 8.66 05/29/1962 6.60 01/11/1963 6.38 02/24/1964 5.57 09/02/1965 9.33 02/10/1966 7.98 04/11/1967 18.44 05/09/1968 5.87 07/16/1969 5.28 08/18/1970 5.54 11/29/1971 10.10 12/06/1972 5.79 12/25/1973 9.71 01/24/1974 8.26 04/29/1975 9.16 05/07/1976 6.61 04/18/1977 10.01 01/23/1978 5.55 02/23/1979 6.22 03/21/1980 8.67 05/01/1981 5.30 11/27/1982 9.41 05/16/1983 8.34 10/15/1984 11.61 10/20/1985 7.69 11/17/1986 10.24 02/20/1987 7.68 07/04/1988 6.18 Duration: 20 days 02/21/1948 12.49 04/20/1949 8.41 12/27/1949 10.65 01/18/1951 8.14 11/18/1952 7.17 04/29/1953 22.20 12/27/1954 8.16 02/04/1955 12.64 12/13/1956 10.30 09/01/1957 9.27 08/09/1958 8.47 01/29/1959 8.64 08/10/1960 7.35 03/11/1961 13.09 05/29/1962 9.26 01/11/1963 7.02 11/24/1964 7.94 08/23/1965 11.70 02/10/1966 10.38 04/14/1967 21.34 11/25/1968 7.59 07/11/1969 6.72 10/12/1970 8.32 12/01/1971 13.47 12/04/1972 8.22 12/24/1973 13.45 01/19/1974 9.38 04/19/1975 9.97 04/30/1976 7.97 04/04/1977 11.41 01/17/1978 6.89 04/03/1979 10.40 03/26/1980 14.72 06/24/1981 6.77 11/17/1982 14.72 05/19/1983 11.55 10/06/1984 15.34 10/14/1985 9.92 11/23/1986 11.61 02/20/1987 9.60 07/04/1988 8.50 Duration: 30 days 02/08/1948 14.14 06/09/1949 10.65 12/13/1949 12.61 01/18/1951 9.44 11/05/1952 8.72 04/24/1953 25.80 12/27/1954 9.07 01/27/1955 12.86 12/13/1956 10.30 05/31/1957 11.15 08/24/1958 11.56 01/29/1959 10.12 07/31/1960 10.41 02/16/1961 17.59 05/29/1962 10.77 12/23/1962 9.01 11/19/1964 10.24 08/13/1965 15.35 01/19/1966 12.92 04/11/1967 27.93 11/25/1968 9.66 04/10/1969 8.08 08/18/1970 9.42 11/23/1971 14.14 12/05/1972 11.87 12/20/1973 14.82 01/24/1974 10.91 04/09/1975 11.52 04/21/1976 8.69 03/25/1977 13.26 01/08/1978 7.77 04/01/1979 12.29 03/17/1980 17.02 04/19/1981 7.69 11/17/1982 16.40 05/09/1983 13.79 10/06/1984 16.02 09/30/1985 11.03 11/24/1986 15.77 02/17/1987 11.62 06/20/1988 9.70 Duration: 45 days 11/04/1948 18.97 03/21/1949 15.01 01/04/1950 15.09 01/02/1951 11.15 11/05/1952 10.45 04/05/1953 26.30 03/19/1954 7.20 12/27/1954 18.38 01/31/1956 13.97 09/01/1957 14.18 08/09/1958 14.53 01/20/1959 13.10 07/31/1960 13.01 02/16/1961 23.29 05/17/1962 11.56 12/21/1962 10.30 03/01/1964 12.41 08/12/1965 18.62 01/14/1966 17.10 04/11/1967 30.18 11/09/1968 12.56 04/05/1969 10.45 08/18/1970 12.87 12/01/1971 18.27 11/25/1972 15.23 03/24/1973 18.55 12/20/1973 23.46 04/29/1975 14.15 04/25/1976 11.09 03/20/1977 15.00 05/03/1978 9.09 01/20/1979 16.70 03/01/1980 18.61 05/26/1981 10.80 11/17/1982 22.70 05/16/1983 15.92 10/06/1984 17.84 09/23/1985 13.49 11/05/1986 18.69 01/15/1987 17.42 07/04/1988 11.55 Duration: 60 days 10/31/1948 20.55 03/06/1949 17.01 01/04/1950 18.50 12/05/1950 12.51 03/30/1952 14.10 03/22/1953 28.20 12/27/1954 21.93 01/18/1956 16.22 08/31/1957 15.88 08/09/1958 16.24 01/15/1959 14.07 07/13/1960 15.25 02/16/1961 24.84 12/12/1961 14.79 06/17/1963 13.16 03/01/1964 15.24 07/30/1965 19.59 12/19/1965 19.81 04/11/1967 32.47 11/06/1968 14.36 02/14/1969 13.92 08/18/1970 16.69 12/02/1971 21.38 11/13/1972 18.15 03/11/1973 21.36 12/20/1973 24.93 03/14/1975 18.08 03/21/1976 13.08 03/04/1977 19.17 11/27/1978 11.06 02/23/1979 20.49 03/20/1980 21.85 05/05/1981 14.15 11/12/1982 26.15 03/24/1983 18.40 10/08/1984 21.50 09/03/1985 15.69 11/24/1986 24.43 02/16/1987 17.42 02/02/1988 15.28