Country= U.S.A. Station= COLUMBUS, TX River= COLORADO RIVER Area= 107841.21 Lat= 29.7 Lon= -96.54 Source= USGS PointID= 8161000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1939 Ending Year= 1993 Total Years= 55 Total Usable Years= 54 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1939 39.14 5.31 23.75 13.41 28.69 110.93 29.51 39.64 4.5 11.08 2.9 3.04 25.99 1940 2.17 5.32 1.87 21.78 62.32 48.96 66.87 63.36 32.88 3.37 76.32 26.81 34.34 1941 14.03 89.36 16.33 76.75 802.97 1060.74 113.82 69.79 70.72 648.08 261.11 67.24 274.25 1942 35.13 29.98 29.09 467.7 106.83 93.7 15.6 39.4 98.45 187.3 88.65 42.18 102.83 1943 34.42 18.02 23.97 112.53 303.6 117.74 25.55 6.46 5.29 4.72 3.7 10.03 55.5 1944 15.71 20.36 32.98 31.17 20.18 112.33 26.66 16.11 23.98 71.11 22.24 21.83 34.56 1945 28.24 37.26 219.07 207.23 41.09 90.81 120.98 34.84 121.88 179.57 12.1 11.05 92.01 1946 30.72 36.32 16.67 12.97 33.9 69.38 27.13 7.44 72.65 68.53 36.76 90.29 41.9 1947 13.08 8.4 8.81 173.18 633.59 147.17 25.07 7.86 4.62 10.37 12.05 40.32 90.38 1948 8.91 28.55 64.57 22.72 59.16 98.46 39.36 18.27 3.6 4.75 5.67 3.93 29.83 1949 11.29 97.87 22.02 11.32 228.09 166.43 16.87 9.71 52.55 33.75 11.39 15.49 56.4 1950 18.42 43.28 8.36 19.24 211.04 93.96 228.72 262.41 223.88 64.81 14.03 12.8 100.08 1951 12.18 22.85 17.04 15.77 543.5 328.87 96.64 21.76 17.84 17.39 16.56 6.9 93.11 1952 8.78 7.72 10.9 33.97 142.95 40.79 18.77 6.29 5.43 3.06 3.75 4.65 23.92 1953 3.07 3.85 15.33 23.2 11.51 28.32 37.08 37.52 5.44 226.35 54.31 27.35 39.44 1954 8.49 6.34 5.31 25.59 411.25 99.01 8.24 7.62 4.14 3.91 3.18 3.77 48.9 1955 4.36 6.12 9.08 5.12 386.98 222.37 43.38 18.3 93.43 427.58 33.73 13.98 105.37 1956 11.72 13.17 6.81 6.72 116.11 40.99 18 5.22 3.1 34.29 19.48 7.1 23.56 1957 3 9.02 17.91 345.7 1233.98 460.85 36.01 20.31 18.49 40.43 96.37 12.01 191.17 1958 16.24 20.2 27.64 48.68 149.07 44.4 62.47 15.92 8.76 5.3 3.59 4.33 33.88 1959 5.51 5.94 3.73 22.7 136.02 128.99 116.21 23.34 33.75 178.42 32.66 99.58 65.57 1960 51.17 78.19 32.05 19.48 32.27 127.83 79.64 17.82 16.62 286.08 42.48 66.24 70.82 1961 33.9 36.57 79.72 62.63 34.33 142.31 63.5 14.93 42.44 14.29 51.59 19.49 49.64 1962 13.24 16.67 10.75 33.02 43.03 361.74 48.8 33.88 88.68 30.67 36.06 55.65 64.35 1963 12.52 14.49 13.41 45.66 20.67 108.58 13.49 6.02 13.4 4.86 8.25 5.08 22.2 1964 4.41 24.62 6.55 11.59 28.96 39.3 4.48 8.1 48.85 14.9 76.98 11.21 23.33 1965 10.59 9.15 6.08 26.47 39.83 93.56 20.28 10.86 120.8 157.76 21.03 21.92 44.86 1966 12.54 15.4 14.08 62.13 63.74 14.65 9.9 82.97 135.18 45.63 6.85 5.41 39.04 1967 4.99 5.27 4.61 116.98 27.54 41.31 61.91 19.21 15.57 7.44 7.5 4.82 26.43 1968 37.09 16.2 52.01 33.92 93.51 165.52 58.38 24.02 44.76 31.86 36.81 16.12 50.85 1969 9.7 46.16 60.04 20.97 242.98 57.78 9.74 27.45 106.54 20.31 16.49 10.16 52.36 1970 10.34 7.41 43.41 30.52 39.96 19.87 4.76 4.4 36.15 6.34 3.67 3.6 17.54 1971 3.94 4.81 3.18 4.01 3.8 30.27 6.94 91.66 123.1 61.2 34.16 63.97 35.92 1972 14.28 8.25 5.62 10.83 101.14 27.16 13.68 5.37 16.17 28.67 169.53 13.28 34.5 1973 73.54 33.34 124.78 259.53 43.96 156.82 25.6 47.75 93.17 79.88 44.05 13.78 83.02 1974 9.58 11.98 49.37 17.71 128.37 36.52 5.5 12.3 120.86 59.4 106.55 18.35 48.04 1975 26.71 92.9 43.98 39.86 299.81 265.97 216.48 104.22 44.16 17.08 27.16 16.71 99.59 1976 17.13 12.05 15.03 60.71 52.05 49.2 13.99 9.52 105.02 26.62 30.36 11.03 33.56 1977 13.48 17.88 18.26 46.73 392.21 135.36 27.68 69.87 27.95 9.3 9.03 6.39 64.51 1978 6.74 14.61 19.4 10.28 112.8 239.26 13.8 17.88 21.31 11.12 7.36 5.65 40.02 1979 10.31 13.62 45.17 40.93 93.12 209.14 28.21 51.74 17.4 6.64 15.11 10.29 45.14 1980 16.18 11.86 8.21 9.85 176.88 149.05 9.58 6.17 22.81 18.15 5 14.23 37.33 1981 5.2 7.52 39 13.38 42.41 180.11 8.91 11.89 8.82 114.91 8.57 6.94 37.31 1982 5.93 10.64 19.75 7.54 490.62 354.5 70.72 37.77 19.52 6.66 5.45 9.4 86.54 1983 9.57 30.41 26.78 28.47 76.21 41.95 16 4.76 3.79 584.2 115.14 18.81 79.67 1984 21.12 19.27 35.34 28.28 11.38 18.3 6.98 8.26 5.3 37.77 18.2 57.33 22.29 1985 139.54 154.76 249.87 138.28 101.32 314.85 27.35 18.47 12.71 209.76 38.87 21.25 118.92 1986 13.61 18.73 21.81 17.36 90.42 121.66 24.85 8.9 273.35 676.77 275.05 113.03 137.96 1987 121.95 263.92 266.77 59.21 513.3 495.71 171.48 37.71 34.31 31.12 27.94 67.5 174.24 1988 69.6 21.9 149.3 108.61 26.94 15.52 25.55 8.94 120.92 23.96 17.11 17.33 50.47 1989 13.57 36.18 22.74 19.12 114.81 579.03 56.76 32.97 177.99 26.22 24.67 10.7 92.9 1990 23.74 28.47 355.72 511.87 507.62 200.57 28.81 45.43 17.74 13.33 18.12 11.24 146.89 1991 23.27 13.84 11.84 17.3 120.92 414.63 96.16 49.03 223.48 56.9 52.51 334.35 117.85 1992 150.26 138.67 134.85 101.67 115.29 511.6 126.74 40.11 57.16 13.43 174.64 166.17 144.22 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 24.34 32.43 47.61 68.75 184.17 172.68 47.59 31.52 57.8 91.8 43.39 32.45 69.54 Std Dev 31.26 44.95 72.11 105.23 230.81 184.72 50.3 39.4 62.38 155.65 58.24 52.39 49.3