Country= U.S.A. Station= LANDUSKY, MT. River= MISSOURI RIVER Area= 26002328.10 Lat= 47.63 Lon= -108.69 Source= USGS PointID= 6115200 Area Units= km2 Discharge Units= m3/sec Starting Year= 1931 Ending Year= 1993 Total Years= 63 Total Usable Years= 62 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1931 396.82 225.5 286.26 280.87 136.86 60.37 217.61 231.88 47.29 34.88 39.07 320.58 189.83 1932 728.72 686.99 267.24 241.54 336.22 115.49 55.95 69.2 161.18 231.77 220.8 573.15 307.35 1933 555.68 588.79 590.23 931.35 226.51 74.9 361.32 182.96 75.51 46.39 43.48 61.38 311.54 1934 121.32 278.78 540.63 206.57 202.55 96.93 200.83 177.54 73.16 123.17 324.03 273.42 218.24 1935 402.46 336 994.77 473 381.62 110.41 74.5 79.53 58.87 33.67 44.06 106.33 257.94 1936 712.4 826.66 186.76 284 300.56 81.69 103.85 84.62 49.64 22.86 26 149.9 235.75 1937 874.72 568.64 458.63 329.97 200.69 101.63 60.73 61.51 77.22 99.93 128.52 132.19 257.87 1938 248.06 268.93 410.14 1495.42 147.09 116.61 126.29 172.1 43.09 28.68 40.07 64.96 263.45 1939 183.51 498.18 568.15 436.15 134.78 458.16 178.61 126.91 81.31 65.72 43.83 65.64 236.75 1940 127.84 723.91 286.2 473.91 491.67 189.46 969.79 133.04 73.11 52.51 64.73 373.16 329.94 1941 245.53 228.36 493.73 308.09 111.25 68.19 212 102.09 55.24 36.73 57.79 339.93 188.24 1942 389.55 330.21 772.51 351.3 191.67 99.53 94.09 187.92 122.89 76.73 103.24 233.83 246.12 1943 486.8 359.81 1011.87 527.26 121.93 80.87 80.13 58.61 90.44 40.33 111.69 122.96 257.72 1944 322.89 428.31 836.48 1009.03 763.98 148.57 79.35 219.15 155.08 62.23 124.51 313.33 371.91 1945 404.51 551.06 564.08 536.64 340.12 164 154.93 98.87 52.8 80.5 91.36 249.93 274.07 1946 566.85 644.03 736.2 257.64 566.54 290.87 294.88 311.46 131.25 70.07 167.46 180.97 351.52 1947 1027.47 344.02 744.65 1084.35 487.13 239.64 106.26 73.96 80.54 54.24 231.68 536.74 417.56 1948 260.16 713.69 1330.44 516.2 140.52 85.37 101.7 148.66 170.68 98.63 612.9 966.89 428.82 1949 559.22 939.62 720.17 881.89 539.46 321.63 386.37 268.9 335.41 107.1 84.93 172.14 443.07 1950 537.66 691.3 560.86 230.82 330.32 105.85 128.73 129.91 135.93 63.57 64.85 168.33 262.34 1951 252.99 533.14 467.97 861.78 100.83 97.89 83.87 51.28 66.2 46.98 58.49 191.91 234.44 1952 154.21 314.33 373.11 266.5 205.7 87.54 53.01 52.5 45.34 25.38 37.9 93.92 142.45 1953 255.25 444.72 627.43 402.47 779.76 91.8 159.1 91.32 62.1 32.21 50.94 654.6 304.31 1954 254.78 241.45 221.43 398.26 154.98 59.71 79.09 33.33 25.06 26.5 30.63 45.26 130.87 1955 168.92 302.49 132.26 541.13 115.62 60.65 94 180.5 40.44 31.45 35.92 83.84 148.94 1956 65.91 604.37 636.83 317.55 82.87 81.45 137.57 56.5 36.24 40.14 31.95 109.54 183.41 1957 75.29 118.38 140.76 375.83 174.06 75.65 87.92 45.47 311.38 298.39 519.42 361.13 215.31 1958 358.61 472.5 665.63 319.01 454.07 168.12 389.53 197.45 289.57 129.61 78.83 106.27 302.43 1959 228.43 478.96 305.51 369.75 164.25 510.05 168.31 121.25 107.55 235.43 298.71 190.93 264.93 1960 306.26 547.01 505.46 493.5 383.91 64.06 60.8 151.64 91.17 75.13 114.9 88.99 240.24 1961 281.17 1260.55 1347.8 1091.46 138.94 241.18 315.18 151.25 150.63 70.75 339.45 1280.25 555.72 1962 903.22 481.02 335.68 592.88 375.37 156.5 72.71 72.51 46.85 53.43 59.29 63.72 267.77 1963 250.37 262.35 287.35 86.33 47.55 42.96 46.81 37.31 34.67 21.6 25.89 68.25 100.95 1964 209.95 223.01 790.99 853.6 368.4 92.55 140.49 94.36 43.63 171.45 103.56 490.76 298.56 1965 420.57 694.62 445.55 200.05 74.34 75.24 75.06 100.99 74.39 67.55 43.29 110.72 198.53 1966 317.46 1416.75 698.76 270.55 406.96 98.66 75.2 105.43 65.77 69.53 94.68 121.58 311.78 1967 250.21 274.26 143.52 125.57 240.12 71.78 78.72 76.77 59.46 38.83 59.39 559.84 164.87 1968 397.69 155.64 281.69 320 177.62 60.79 44.22 51.01 44.92 30.15 45.32 304.43 159.46 1969 274.87 280.3 444.92 923.55 242.35 65.75 76.43 103.98 53.97 40.23 40.53 111.51 221.53 1970 203.78 212.63 415.65 239.34 146.89 66.71 83.94 125.89 67.25 173.55 106.07 195.03 169.73 1971 339.08 487.83 995.11 377.64 359.21 103.88 113.85 146.49 156.9 70.9 63.32 697.81 326 1972 790.87 641.33 474.24 222.16 264.2 68.55 72.78 47.39 33.2 41.9 80.21 383.56 260.03 1973 487.56 483.08 842.16 1142.02 678.55 281.38 140.97 129.62 161.52 89.2 115.04 422.93 414.5 1974 1137.16 736.95 386.97 1270.93 278.82 238.83 89.81 115.04 385.88 103.81 177.12 400.05 443.45 1975 965.66 712.48 655.16 666.59 702.61 307.54 198.87 325.67 178.13 351.32 153.08 230.35 453.96 1976 406.71 253.5 564.26 751.97 281.74 143.56 83.5 52.99 54.83 45.43 93.44 250.46 248.53 1977 495.79 255.7 970.54 825.61 235.2 71.66 87.36 128.25 226.85 165.85 384.22 338.74 348.81 1978 502.64 438.74 284.61 236.05 542.88 240.06 97.17 75.34 50.99 35.61 38.93 112.29 221.28 1979 530.22 898.15 1255.08 1088.41 274.5 186.08 298.91 141.8 427.92 110.05 424.09 465.95 508.43 1980 652.87 566.03 843.73 2004.09 1032.89 227.44 142 79.68 54.19 98.73 143.29 129.64 497.88 1981 88.73 486.05 337.95 524.62 107.99 97.71 83.83 52.36 82.41 38.36 40.48 115.23 171.31 1982 289.69 688.87 268.31 313.42 143 61.03 110.24 202.66 59.97 56.05 114.89 731.58 253.31 1983 526.64 1182.34 918.2 1596.98 545.87 307.45 211.36 109.76 95.86 71.05 162.92 437.94 513.86 1984 523.96 400.62 576.46 411.1 276.95 80.58 102.96 156.3 65.72 199.59 201.3 245.87 270.12 1985 200.65 526.71 486.95 181.8 116.32 50.03 76.19 141.29 120.97 252.25 473.48 334.98 246.8 1986 305.53 297.83 277.08 120.54 131.62 166.12 73.48 52.5 59 63.13 301.73 661.72 209.19 1987 834.68 709.95 1039.23 232.02 269.21 149.03 78.93 101.37 51.29 36.71 53.39 73.31 302.43 1988 169.41 368.27 268.62 435.61 77.91 41.86 67.13 63.79 264.54 134.62 231.51 232.86 196.34 1989 511.44 220.86 495.31 533.41 348.47 381.79 453.13 114.83 63.58 116.53 226.99 473.16 328.29 1990 1015.03 1661.2 907.7 358.6 605.34 204.01 87.39 61.51 43.66 36.47 52.27 91.15 427.03 1991 311.42 658.67 681.87 527.87 1414.66 525.99 216.07 110.31 106.79 70.24 131.23 202.37 413.12 1992 619 769.44 406.49 294.63 101.69 118.82 82.93 108.28 96.2 46.07 310.43 441.39 282.95 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 427.21 532.19 573.62 548.73 318.96 150.53 149.66 118.34 106.9 86.16 141.51 292.12 287.16 Std Dev 254.13 298.86 291.63 388.95 247.18 111.89 139.58 63.56 87.59 69.49 131.27 236.22 102.8