Country= U.S.A. Station= COLUMBIA, LA. River= OUACHITA RIVER Area= 40660.59 Lat= 32.1 Lon= -92.07 Source= USGS PointID= 7367640 Area Units= km2 Discharge Units= m3/sec Starting Year= 1920 Ending Year= 1993 Total Years= 74 Total Usable Years= 73 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1920 72.88 102.41 56.41 166.08 130.78 78.39 53.04 78.84 129.7 33.43 40.9 38.59 81.79 1921 43.01 47.16 41.01 48.31 118.36 160.61 187.29 67.79 49.64 23.27 18.25 19.42 68.68 1922 17.08 25.67 67.93 88.33 90.9 59.95 192.98 56.02 23.86 12.21 60.75 27.11 60.23 1923 30.06 23.66 35.19 58.15 188.86 633.23 279.42 118.34 93.13 172.01 54.86 46.26 144.43 1924 40.76 56.32 56.37 69.32 64.68 92.76 127.98 101.48 37.44 25.64 23.08 22.73 59.88 1925 13.99 53.66 53.67 65.45 45.52 211.99 50.21 125.33 59.91 25.9 21.57 25.15 62.7 1926 23.98 36.61 36.3 48.82 46.47 50.9 72.76 56.74 291.82 129.92 57.63 37.62 74.13 1927 34.31 34.68 51.71 392.77 132.54 428.05 152.04 515.46 238.64 127.02 48.87 39.86 183 1928 47.75 79.24 58.63 81.01 62.48 249.91 390.55 417.85 103.65 80.9 142.71 71.46 148.85 1929 57.55 96.46 207.66 239.88 263.68 419.2 182.98 91.4 43.37 47.95 51.48 43.09 145.39 1930 36.47 71.53 48.45 77.31 437.13 334.15 74.31 131.75 127.27 109.45 99.61 67.71 134.6 1931 46.21 55.51 57.31 92.58 126.31 90.73 64.38 74.22 88.58 60.28 97.03 61.98 76.26 1932 59.11 140.9 111.02 61.39 53.07 204.61 135.68 78.35 122.19 38.93 29.61 29.29 88.68 1933 35.6 34.09 42.38 72.92 102.72 34.93 42.31 86.52 162.16 43.49 27.55 33.18 59.82 1934 31.43 31.55 40.92 31.39 38.04 86.91 27.35 7.67 37.32 19.08 17.24 18.15 32.25 1935 16.9 26.92 27.52 24.33 279.6 975.52 272.01 83.95 215.4 89.85 77.78 55.43 178.77 1936 41.55 75.92 92.49 38.28 166.38 76.34 21.15 13.56 26.62 32.45 15.31 17.74 51.48 1937 14.33 130.7 84.49 34.29 31.83 144.81 99.56 67.93 48.93 19.68 17.27 17.88 59.31 1938 20.99 26.37 36.25 34.71 261.54 391.18 135.8 105.45 71.24 24.57 25.59 22.02 96.31 1939 25.2 19.11 71.98 102.9 48.64 257.93 107.2 108.88 18.98 12.19 11.84 12.52 66.45 1940 8.56 19.34 42.18 27.81 52.19 64.74 32.12 71.46 54.01 24.84 21.53 20 36.57 1941 22.54 49.75 60.63 61.95 81.92 672.16 146.71 137.46 325.51 661.81 188.79 121 210.85 1942 131.92 87.64 146.12 159.92 309.36 539.71 170.4 146.95 398.39 135.72 65.18 65.98 196.44 1943 59.11 188.53 62.54 124.1 121.43 775.54 163.26 51.14 28.98 28 25 23.64 137.61 1944 27.98 37.36 97.61 440.81 507.71 378.2 288.36 445.83 262.02 90.84 66.95 113.42 229.76 1945 75.14 82.1 172.15 441.75 808.22 475.61 554.76 129.13 63.17 71.5 48.37 34.1 246.33 1946 54.93 59.95 71.56 53.58 71.24 109.56 211.96 61.71 343.89 317.27 223.7 86.27 138.8 1947 73.65 67.69 116.44 400.17 165.44 923.51 232.18 60.66 36.3 28.02 29.41 37.87 180.95 1948 39.28 118.65 466.51 85.39 88.29 172.4 542.38 198.9 74.69 37.43 43.05 40.15 158.93 1949 170.12 405.63 442.35 157.91 381.56 681.77 236.92 102.93 208.7 98.83 49.95 44.32 248.42 1950 40.42 51.56 67.71 45.76 258.31 169.78 744.42 490.32 320.56 385.79 105.01 60.21 228.32 1951 50.63 58.91 114.99 168.67 503.36 1829.84 2786.94 544.87 921.25 273.46 180.09 117.37 629.2 1952 107.28 105.65 254.13 456.45 247.27 156.97 202.99 95 50.76 31.4 37.99 44.82 149.23 1953 46.64 70.06 63.4 48.35 88.77 90.39 51.47 33.09 23.19 17.71 24.64 37.16 49.57 1954 20.22 33.09 26.97 24.96 84.47 278.78 31.71 211.19 31.74 28.97 21.42 20.49 67.83 1955 21.6 64.91 43.88 38.56 24.09 109.17 56.5 12.02 23.58 48.74 15.63 14.54 39.43 1956 15.47 19.82 21.6 17.17 14.13 79.13 100.73 26.78 10.97 9.52 11.04 10.86 28.1 1957 9.12 13.97 16.74 54.57 196.56 491.93 359.72 146.44 136.79 97.48 49.89 39.83 134.42 1958 38.3 47.49 209.25 234.33 246.72 152.04 488.88 212.29 403.28 114.35 63.01 49.55 188.29 1959 45.63 113.85 108.47 101.52 434.3 174.92 231.53 52.32 104.35 245.97 69.17 46.15 144.02 1960 91.75 148.94 363.4 760.5 376.29 391.93 202.5 104.84 127.05 71.98 57.63 59.25 229.67 1961 41.84 52.73 86.21 116.19 582.98 548.6 178.32 135.91 311.39 251.27 199.55 89.45 216.2 1962 149.81 289.78 254.66 166.21 126.15 445.32 317.09 197.89 183.99 101.83 68.18 50.87 195.98 1963 38.77 53.06 85.84 66.5 97.37 74.92 145.28 63.03 101.46 94.44 54.88 21.58 74.76 1964 27.26 26.63 25.13 54.5 62.62 108.92 156.78 38.68 70.84 52.69 51.11 20.5 57.97 1965 22.4 40.1 225.9 81.16 90.37 408.37 493.19 96.38 159.38 227.88 118.66 63.4 168.93 1966 56.93 93.84 77.76 63.43 49.63 31.55 40.03 66.07 73.04 50.53 42.03 22.09 55.58 1967 13.29 15.32 13.17 25.97 10.74 477.96 245.76 127.48 220.48 177.27 91.61 72.17 124.27 1968 55.75 44.68 38.17 65.53 75.15 105.05 50.82 135.79 114.64 173.19 147.31 101.5 92.3 1969 84.9 143.9 567.92 343.12 380.5 258.66 275.63 85.97 128.89 48.05 76.69 45.77 203.33 1970 17.34 49.42 43.33 80.72 180.07 363.9 54.79 33.43 61.04 76.68 46.73 27.82 86.27 1971 22.83 125 195.17 53.74 405.05 350.72 253.11 61.27 34.88 30.67 71.6 59.16 138.6 1972 32.97 28.39 35.52 23.85 146.83 80.69 59.84 99.45 180.3 27.34 113.28 142.51 80.91 1973 197.64 323.87 658.09 764.89 432.36 224.49 199.48 219.41 286.79 1105.28 1003.18 407.94 485.29 1974 275.67 350.82 206.43 171.78 270 210.33 68.3 65.34 66.12 59.79 70.92 32.91 154.03 1975 28.13 37.17 50.76 171.62 67.28 407.33 297.3 71.96 38.4 18.33 22.54 62.2 106.09 1976 29.58 38.6 47.89 189.94 222.57 77.24 118.94 30.56 22.78 31.65 24 24.35 71.51 1977 18.05 21.42 19.83 22.87 59.06 337.29 108.56 192.49 363.96 68.6 80.44 85.11 114.81 1978 69.16 39.24 331.9 331.2 250.7 110.98 212.02 87.82 93.92 30.78 30.39 69.15 138.11 1979 29.8 70.69 645.41 556.85 194.95 103.18 322.35 76.55 36.26 28.91 209.64 122.16 199.73 1980 63.68 90.34 166.22 551.94 90.66 136.72 56.77 35.66 36.87 28.16 28.28 24.38 109.14 1981 25.2 25.75 24.48 22.32 46.77 83.28 133.78 196.36 71.36 61.02 66.13 92.72 70.76 1982 50.91 181.4 194.07 86.25 219.41 557.75 634.99 135.27 80.61 41.77 52.83 101.37 194.72 1983 64.89 178.02 198.64 325.15 269.18 251.89 320.29 41.22 28.03 103.2 64.7 107.64 162.74 1984 67.69 185.31 203.71 524.94 640.51 315.74 588.18 59.44 30.38 22.26 29.73 93.57 230.12 1985 59.84 107.48 128.5 75.51 247.15 209.53 119.91 312.07 152.03 344.39 98.73 124.69 164.99 1986 90.62 112.58 83.4 90.34 362.76 133.66 504.78 241.19 150.3 623.8 157.79 176.74 227.33 1987 99.17 95.21 329.22 926.15 866.68 432.72 297.83 158.55 160.99 86.95 36.8 89.45 298.31 1988 63.48 98.36 54.29 31.29 30.25 40.61 56.23 40.46 20.23 44.95 34.13 26.28 45.05 1989 24.4 23.6 23.48 24.9 28.44 34.56 106.8 68.37 378.06 85.88 37.16 61.73 74.78 1990 27.78 26.67 52.66 30.46 98.3 282.67 130.37 234.82 46.41 52.14 23.85 19.18 85.44 1991 25.69 27.06 23.86 27.25 58.24 173.23 40.74 51.16 21.67 28.63 16.88 15.51 42.49 1992 16.07 15.66 17.7 21.72 21.56 97.62 427.46 547.34 105.2 108.12 115.51 266.51 146.71 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 51.38 82.54 128.16 161.93 197.75 290.08 240.02 133.29 133.83 112.8 77.01 61.84 139.22 Std Dev 44.5 77.23 142.78 195.09 182.44 279.43 340.7 124.15 140.64 168.68 119.92 59.36 96.08