Country= U.S.A. Station= HUGHES AK River= KOYUKUK R Area= 48430.13 Lat= 66.04 Lon= -154.25 Source= USGS PointID= 15564900 Area Units= km2 Discharge Units= m3/sec Starting Year= 1960 Ending Year= 1982 Total Years= 23 Total Usable Years= 22 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1960 22.12 -9999 19.99 15.66 -9999 604.85 632.48 729.21 423.96 82.21 28.03 24.07 -9999 1961 19.82 13.59 9.06 8.21 1306.51 1169.3 1032.47 1406.9 881.41 425.85 101.94 50.97 535.5 1962 36.81 28.32 22.37 23.22 1078.33 2747.5 609.09 659.6 1100.21 227.54 65.13 27 552.09 1963 15.01 11.89 11.33 11.89 1208.04 1680.52 1180.82 2117.38 665.64 408.5 110.44 30.88 621.03 1964 22.94 18.69 15.01 13.73 21.28 2668.78 474.45 474.72 852.25 298.97 77.4 26.05 413.69 1965 17.56 13.88 12.18 13.88 102.81 2470.66 913.18 1361.41 1363.75 838.37 127.43 56.63 607.65 1966 35.4 22.65 16.99 11.33 906.6 1609.26 613.93 447.68 444.67 227.3 79.29 39.64 371.23 1967 22.65 13.59 7.93 11.33 1002.88 1945.85 630.19 798.63 482.62 212.52 82.87 42.93 437.83 1968 27.91 22.26 21.24 21.24 668.83 2880.12 553.73 348.8 148.29 62.39 20.2 10.82 398.82 1969 8.5 7.08 7.08 8.21 517.88 355.57 156.15 511.44 244.75 95.82 23.88 11.2 162.3 1970 8.68 8.03 7.52 19.94 1001.78 759.08 691.76 806.76 417.86 117.65 52.01 29.5 326.71 1971 20.19 16.33 15.19 18.06 1494.95 1698.64 350.17 383.24 247.96 161.68 60.88 30.05 374.78 1972 19.73 14.21 11.19 10.85 935.56 1465.59 322.72 586.71 535.47 123.96 62.96 38.46 343.95 1973 25.76 18.86 15.48 13.45 862.71 1487.21 508.88 1178.35 549.63 212.47 80.61 50.88 417.02 1974 31.1 19.57 12.97 10.67 820.28 789.76 298.82 583.7 356.65 183.7 61.26 18.77 265.6 1975 12.56 11.33 11.33 11.33 968.81 1310.13 416.81 316.01 588.43 236.22 32.22 14.56 327.48 1976 11.7 11.33 11.33 13.13 862.39 1281.06 626.54 504.13 421.83 329.57 110.15 52.07 352.94 1977 29.29 21.69 19.82 20.8 687.35 2080.83 327.69 370.26 613.82 305.82 66.17 41.65 382.1 1978 27.51 19.01 14.41 30.3 1045.08 1258.41 848.51 246.16 248.27 107.2 68.43 45.95 329.94 1979 31.06 19.82 18.01 15.26 1426.45 930.31 543.6 484.13 387.86 211.46 68.43 42.75 348.26 1980 36.81 33.98 32.52 34.55 1369.36 1661.26 891.89 726.1 506.23 569.45 234.09 108.43 517.06 1981 38.73 29.83 25.44 23.22 1266.34 752.67 1094.77 1282.03 342.92 94.5 50.03 39.55 420 1982 31.97 22.86 17.81 15.48 1020.87 2151.9 860.84 797.99 1268.79 -9999 -9999 -9999 -9999 Avg 24.08 18.13 15.49 16.34 935.23 1554.75 633.89 744.41 569.27 251.51 75.63 37.85 405.05 Std Dev 8.93 6.76 6.06 6.61 367.7 693.82 266.32 439.83 316.51 178.23 44.2 20.21 108.86