Country= U.S.A. Station= COLORADO-UTAH STATE LINE River= COLORADO RIVER Area= 46210.63 Lat= 39.12 Lon= -109.02 Source= USGS PointID= 9163500 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 154.91 156.21 283.62 165.84 120.91 98.08 89.03 83.79 86.67 89.52 91.23 158.9 131.56 1940 475.09 823.13 633.94 448.67 196.04 131.57 104.55 94.88 94.64 102.77 117.08 507.23 310.8 1941 658.96 635.82 560.55 587.77 362.18 231.71 152.41 123.9 117.92 118.25 128.24 486.84 347.05 1942 518.16 787.05 255.86 422.12 336.97 224.93 141.04 118.38 114.02 115.88 145.27 202.24 281.83 1943 417.79 370.14 446.59 355.28 226.76 169.52 121.97 107.76 105.57 106.1 120.26 113.92 221.81 1944 95.28 89.63 37.03 73.12 133.48 120.79 141.66 145.94 113.3 75.9 86.31 80.9 99.45 1945 136.62 96.16 98.33 87.88 144.13 169.24 234.35 232.44 189.04 166.81 172.16 190.24 159.78 1946 525.47 198.51 150.73 177.81 190.45 212.04 246.68 243.12 174.7 162.67 169.16 168.7 218.34 1947 160.18 98.12 91.42 109.22 183.8 182.27 211.82 199.84 148.34 135.49 117.46 106.75 145.39 1948 128.39 99.17 101.27 274.88 379.37 291.74 241.49 288.04 221.62 167.3 173.02 173.75 211.67 1949 142.39 109.57 99.93 97.25 163.96 220.17 266.12 260.85 194.27 164.52 140.67 119.18 164.91 1950 110.26 86.64 72.1 80.15 156.63 205.51 252.21 243.63 184.99 143.69 159.83 472.21 180.65 1951 240.41 554.97 199.27 140.11 148.57 223.47 334.46 327.35 186.68 148.29 115.09 119.63 228.19 1952 303.3 558.04 288.49 403.48 358.1 259.78 272.04 294.1 217.58 153.96 135.91 209.06 287.82 1953 930.92 215.19 115.82 122.79 184.12 237.78 254.66 282.41 236.67 170.03 174.92 165.8 257.59 1954 431.6 624.34 187.77 204.51 230.55 249.21 324.18 322.28 221.34 162.3 134.98 160.66 271.14 1955 168.27 136.26 99.56 156.15 175.5 244.53 313.86 286.24 201.08 153.49 129.55 407.33 205.99 1956 863.39 530.62 256.52 106.23 288.05 216.96 258.91 246.56 229.48 203.5 189.83 167.85 296.49 1957 102.88 124.02 410.44 122.03 299.76 248.5 268.08 250.56 209.84 225.19 253.99 229 228.69 1958 352.81 1250.8 365.2 599.86 351.93 268.53 287.41 336.15 284.02 242.73 216.84 168.79 393.76 1959 324.74 392.72 138.63 166.16 213.62 261.35 319.4 328.71 205.21 149.3 120.09 105.52 227.12 1960 107.49 148.27 93.17 154.06 204.81 269.42 312.67 296.25 197.98 169.99 143.21 111.75 184.09 1961 121.61 299.48 325.28 186.95 209.52 264.66 324.09 314.67 207.81 165.4 150.38 106.27 223.01 1962 91.57 203.54 164.45 130.47 214.49 266.74 301.99 306.63 207.61 182.49 160.84 272.35 208.6 1963 228.65 342.46 126.55 527.52 313.25 245.72 291.57 296.87 276.52 186.72 191.34 244.91 272.67 1964 206.55 226.22 135.03 215.46 221.84 270.54 338.98 328.75 242.55 155.83 117.73 401.01 238.37 1965 701.26 329.71 109.12 103.76 247.77 244.55 303.2 309.02 263.54 230.81 244.65 337.73 285.43 1966 416.72 205.37 183.16 210.4 260.78 313.8 389.04 360.08 226.9 217.62 255.01 553.99 299.41 1967 213.14 531.95 162.52 363.89 443.3 370.29 354.42 363.1 322.15 272.67 208.93 228.3 319.56 1968 193.22 431.05 262.38 222.61 257.06 314.25 395.52 349.21 277.22 211.05 193.06 161.68 272.36 1969 527.3 709.54 211.47 207.73 402.56 407.01 352.41 345.28 266.01 222.79 210.99 453.15 359.69 1970 1054.85 852.44 214.54 247.99 252.04 279.47 312.78 267.81 221.89 193.59 302.57 646.36 403.86 1971 503.95 328.48 167.37 406.82 447.77 407.67 388.58 405.76 334.05 227.55 191.52 206.56 334.67 1972 191.56 198.09 297.17 259.94 286.49 328.57 351.86 282.86 218.2 173.63 270.25 245.45 258.67 1973 544.14 507.18 287.66 178.96 263.2 285.22 340.17 310.85 258.49 202.23 663.47 774.15 384.64 1974 1018.68 484.39 564.53 760.11 347.51 359.72 344.37 367.66 305.98 250.93 270.13 251.31 443.78 1975 176.31 304.47 513.57 266.86 404.84 377.09 348.94 354.97 255.93 246.08 293.69 293.58 319.69 1976 181.16 199.16 169.07 271.03 341.17 378.32 381.82 340.08 188.6 108.23 109.19 103.05 230.91 1977 164.68 150.06 153.72 228.5 210.41 270.49 306.37 240.79 129.25 97.16 128.63 80.62 180.06 1978 178.02 265.71 463.31 255.53 254.78 251.69 295.77 304.55 190.12 171.37 175.08 178.28 248.68 1979 176.82 110.8 125.69 173.81 221.07 304.73 393.15 282.61 166.52 127.14 134.54 156.81 197.81 1980 506.07 680.73 476.08 178.69 204.06 306.03 327.93 275.58 188.85 134.53 165.17 194.18 303.16 1981 134.55 121.42 201.61 228.85 310.91 338.58 401.55 375.9 192.13 105.72 177.92 616.31 267.12 1982 406.34 662.6 406.36 616.33 369.86 298.8 307.16 338.98 269.12 214.13 298.71 486.46 389.57 1983 387.41 1103.55 1335.83 411.35 481.86 423.62 402.83 397.81 287.53 291.34 411.4 769.22 558.65 1984 430.2 181.22 250.76 204.39 256.51 302.46 398.81 325.25 223.26 179.2 304.59 328.13 282.07 1985 176.01 154.66 129.72 170.32 275.66 317.3 402.19 313.08 167.78 129.35 129.13 119.38 207.05 1986 121.27 934.81 786.18 139.15 242.91 287.11 322.36 293.87 210.53 184.27 189.1 172.96 323.71 1987 131.29 104.74 99.69 253.72 308.71 356.98 417.36 346.2 185.39 141.9 103.7 99.79 212.46 1988 97.12 102.22 176.75 334.12 303.74 319.85 415.62 360.46 232.37 179.12 141.28 171.46 236.18 1989 102.63 150.13 104.68 113.99 294.03 337.54 376.52 350.61 198.24 140.29 212.46 127.23 209.03 1990 99.07 92.55 99 230.4 255.76 241.8 306.74 308.97 195.92 149.58 120.06 113.65 184.46 1991 126.94 128.68 81.24 87.68 216.42 246.94 265.7 244.72 161.11 127.75 125.86 106.71 159.98 1992 99.29 105.89 127.61 92.47 196.89 207.89 219.56 228.52 190.42 105.97 90.11 87.57 146.02 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 315.88 357.2 257.38 246.95 266.05 271.53 300.53 285.27 207.35 167.67 184.75 253.98 259.55 Std Dev 246.24 283.89 219.05 153.37 84.12 69.89 81.27 75.46 55.11 47.94 93.24 176.85 84.88