Country= U.S.A. Station= CHITINA AK River= COPPER R Area= 53350.84 Lat= 61.46 Lon= -144.45 Source= USGS PointID= 15212000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1954 Ending Year= 1990 Total Years= 37 Total Usable Years= 36 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1954 56.63 53.8 53.8 62.3 243.07 361.7 504.86 625.9 263.5 130.16 96.28 58.1 209.18 1955 56.63 51.17 52.52 69.38 159.68 290.93 518.2 457.82 227.39 98.87 65.13 56.63 175.36 1956 48.14 45.31 39.64 83.54 252.93 271.72 621.79 555.29 310.42 118.92 77.87 66.41 207.66 1957 62.3 62.3 62.3 67.96 369.22 607.97 751.68 665.81 378.43 148.06 87.78 70.79 277.88 1958 76.46 65.53 50.79 72.93 179.51 427.78 653.76 587.44 239.95 73.62 79.29 73.62 215.06 1959 62.3 56.63 50.97 56.63 226.29 456.56 579.86 480.66 285.48 157.01 90.61 79.2 215.18 1960 70.92 65.13 67.19 68.4 292.8 336.61 527.06 482.67 292.75 148.23 89.2 84.95 210.49 1961 86.32 68.16 66.68 64.57 278.32 495.26 485.32 526.06 266.41 126.99 76.46 67.96 217.38 1962 67.96 67.96 65.13 68.06 284.59 698.3 741.45 799.64 400.35 165.18 108.47 73.62 295.06 1963 76.46 73.62 62.3 68.05 300.31 248.11 624.44 574.56 350.44 157.74 73.62 65.13 222.9 1964 70.79 65.13 59.47 59.47 112.12 705.85 715.14 573.1 272.51 149.92 84.95 76.59 245.42 1965 72.56 65.13 59.47 56.63 147.39 280.9 532.82 552.67 280.75 136.69 70.79 65.13 193.41 1966 65.13 62.3 62.3 65.13 234.99 500.14 593.93 468.78 209.91 113.19 70.79 67.96 209.55 1967 65.13 65.13 65.13 70.79 266.3 506.97 593.93 663.44 360.23 125.6 85.42 79.56 245.64 1968 72.16 70.79 70.79 71.91 248.45 471.67 698.79 601.78 347.27 164.48 94.11 90.02 250.19 1969 87.14 82.83 78.01 78.53 209.53 423.21 635.49 335.93 182.8 118.79 91.94 81.3 200.46 1970 75.09 73.62 70.79 71.36 153.86 250.3 456.27 413.94 222.74 133.95 76.36 54.44 171.06 1971 50.97 50.97 50.97 57.53 252.13 416.64 615.39 681.25 296.29 135.36 87.69 75.18 230.86 1972 65.95 58.2 51.88 51.63 262.16 477.05 634.94 620.14 284.02 109.34 75.04 66.96 229.78 1973 65.13 65.13 65.13 72.27 186.29 446.8 605.25 490.43 258.27 109.62 69.57 57.55 207.62 1974 56.63 56.63 61.02 76.83 194.99 322.04 594.38 616.4 365.35 119.98 92.03 80.57 219.74 1975 72.07 65.63 65.13 69.32 265.26 420.04 786.57 532.54 426.08 163.37 92.79 75.27 252.84 1976 70.79 67.96 68.97 77.59 219.33 423.91 524.32 644.17 227.94 181.78 97.69 74.99 223.29 1977 73.62 73.62 72.16 85.71 202.75 453.45 590.82 733.78 285.21 148.23 81.18 73.62 239.51 1978 67.96 67.15 65.13 101.47 212.77 291.46 533.18 676.23 291.96 123.72 87.78 80.2 216.58 1979 74.72 73.62 73.62 111 255.68 345.86 722.17 844.03 352.45 153.6 98.17 76.36 265.11 1980 67.96 62.3 64.31 89.67 186.65 311.58 583.15 500.85 293.85 188.38 113.17 100.85 213.56 1981 89.15 87.78 87.78 96.28 202.33 372.09 553.55 482.46 220.76 112.9 84.76 74.17 205.33 1982 68.69 67.96 65.13 65.7 286.09 421.55 576.84 538.39 242.15 128.75 92.69 80.2 219.51 1983 71.8 66.24 62.75 89.2 220.88 379.21 668.83 617.68 269.45 130.26 93.45 80.57 229.19 1984 73.53 69.43 72.89 86.37 172.19 366.46 632.47 619.41 309.39 166.01 97.22 81.11 228.87 1985 74.99 70.79 72.71 77.68 309.66 425.98 691.76 666.36 370.74 201.14 125.73 98.65 265.52 1986 84.04 75.44 68.87 70.89 231.74 447.88 656.04 407.91 234.89 129.89 88.35 73.44 214.12 1987 65.04 62.3 62.3 78.44 179.81 351.74 676.05 549.44 255.57 130.17 90.14 76.46 214.79 1988 70.15 67.96 66.04 93.35 272.71 556.71 984.15 674.95 276.29 134.03 74.19 67.96 278.21 1989 67.96 65.13 65.13 110.06 334.04 445.24 709.57 746.11 382.09 185.87 119.88 88.06 276.6 1990 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 69.54 65.8 63.87 75.46 233.52 416.94 627.06 583.56 292.61 139.44 88.35 74.82 227.58 Std Dev 9.04 8.29 8.82 14.27 54.88 108.61 98.88 109.06 58.44 26.58 13.47 10.3 27.97