Country= U.S.A. Station= BRANDON SD River= BIG SIOUX R Area= 13625.18 Lat= 43.6 Lon= -96.63 Source= USGS PointID= 6482100 Area Units= km2 Discharge Units= m3/sec Starting Year= 1915 Ending Year= 1993 Total Years= 79 Total Usable Years= 78 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1915 397.2 784.79 204.04 236.96 249.85 75.72 346.16 309.48 103.17 231.76 242.35 404.58 298.84 1916 677.22 206.24 625.37 1064.25 393.84 477.96 98 29.25 34.84 54.09 147.19 228.24 336.37 1917 334.35 245.75 744.23 393.34 442.05 550.44 405.85 104.37 58.75 463.68 310.51 138.96 349.36 1918 58.32 653.27 892.19 309.14 269.25 173.49 59.16 63.49 139.48 198.02 336.8 372.5 293.76 1919 309.02 199.35 417.27 446.06 786.94 141.03 46.49 83.31 69.86 122.22 318.39 294.82 269.56 1920 95.91 99.79 907.97 366.63 210.12 122.5 122.19 106.22 46.22 63.47 272.84 376.3 232.51 1921 334.54 337.62 640.24 378.05 249.13 83.98 70.51 55.54 104.44 163.61 631.3 322.52 280.96 1922 248.21 327.49 550.82 581.89 174.96 184.39 97.49 76.84 41.13 35.43 62.68 164.68 212.17 1923 380.84 269.08 810.05 321.45 343.8 69.41 27.2 25.66 23.7 18.7 43.71 418.17 229.31 1924 638.27 231.55 370.73 568.32 532.58 176.2 143.16 56.6 160.53 267.75 47.37 337.11 294.18 1925 70.34 719.86 498.93 269.03 247.17 60.66 49.77 62.46 63.94 236.65 558.71 269.47 258.92 1926 260.43 341.83 647.55 620.8 147.75 131.04 48.13 160.73 324.05 576.57 701.51 310.43 355.9 1927 373.19 523.06 751.22 391.7 561.96 160.26 58.49 59.49 27.2 61.06 654.53 942.04 380.35 1928 517.47 402.26 500.67 533.3 169.28 494.04 248.89 74.77 27.89 86.79 290.29 403.26 312.41 1929 538.39 169.65 891.99 844.7 735.97 110.92 129.15 29.76 28.97 120.38 299.66 501.93 366.79 1930 718.47 401 595.66 519.9 184.28 85.84 32.25 11.72 12.33 14.59 21.82 122.46 226.69 1931 73.44 188.15 339.54 641.3 438.73 238.9 54.19 49.04 27.06 26.97 99.62 408.82 215.48 1932 731.49 415.54 336.87 522.67 427.11 71.16 58.97 21.36 15.04 29.84 237.59 175.53 253.6 1933 271.82 223.75 557.45 520.25 324.15 236.88 48.84 28.49 34.98 30.32 204.11 390.79 239.32 1934 467.9 86.45 478.97 487.79 80.26 31.32 15.7 18.09 23.25 26.77 206.61 199.53 176.89 1935 492.06 232.76 619.59 239.4 333.87 128.33 145.7 83.35 51.23 46.23 108.22 246.87 227.3 1936 184.11 228.98 1411.65 646.17 198.55 57.16 29.48 25.13 18.73 36.4 200.69 314.85 279.33 1937 1172.96 355.45 263.46 778.77 466.22 454.72 158.66 201.16 71.5 148.97 262.45 379.38 392.81 1938 313.32 894.72 595.39 516.91 154.88 116.09 109.12 106.55 180.36 66.72 189.64 232.43 289.68 1939 295.41 695.6 682.07 567.6 108.91 57.48 45.62 43.45 21.68 96.36 139.95 335.2 257.44 1940 144.01 245.66 451.14 1413.68 322.46 291.08 103.88 36.04 66.79 46.03 176.69 696.24 332.81 1941 374.07 158.98 391.83 523.14 102.18 109.48 50.08 38.24 20.99 51.88 95.42 191.27 175.63 1942 215.66 302.6 1010.44 569.87 329.61 125.81 269.56 87.78 140.46 253.26 565.3 472.49 361.9 1943 614.56 641.31 617.05 532.53 851.43 348.1 96.52 87.19 35.66 74.71 193.78 127.7 351.71 1944 170.27 310.13 602.16 662.15 386.29 196.07 59.83 25.51 51.42 74.61 106.24 195.31 236.67 1945 170.91 424.96 1370.36 522.32 397.51 309.04 144.23 79.67 162.06 549.14 431.19 279.62 403.42 1946 443.92 236.62 522.76 119.01 539.25 573.78 127.13 47.68 21.52 55.66 100.96 233.49 251.81 1947 625.97 323.52 455.12 1131.74 668.1 497.75 131.89 62.89 70.24 32.08 79.5 275.13 362.83 1948 157.93 454.63 940.37 673.47 382.2 187 109.78 70.82 24.3 76.8 162.18 226.54 288.83 1949 580.13 401.87 397.01 492.53 265.81 71.87 64.64 63.18 56.65 39.64 76.14 346.34 237.98 1950 764.22 512.71 722.27 785.32 319.77 193.24 113.76 68.07 138.16 143.31 618.9 647.83 418.96 1951 679.12 651.41 688.38 636 190.95 210.48 174.86 34.38 30.07 29.47 253.22 403.26 331.8 1952 1069.93 530.5 672.53 453.36 457.8 98.29 33.62 34.71 39.62 34.63 117.93 290.86 319.48 1953 325.42 353.2 570.43 409.56 646.6 345.95 43.59 41.25 38.62 26.16 49.2 179.47 252.45 1954 283.6 422.06 557.39 714.25 327.01 149.24 36.87 20.99 21.7 297.89 196.05 423.56 287.55 1955 440.25 327.77 928.52 384.96 154.15 88.19 41 49.81 21.75 232.1 443.47 349.71 288.47 1956 110.96 445.17 1049.83 817.23 671.6 243.23 239.79 326.62 361.72 93.79 140.42 496.08 416.37 1957 448.34 325.66 389.29 875.45 293.33 150.67 122.67 31.07 22.95 24.16 62.33 395.05 261.75 1958 147.37 120.55 451.06 642.98 417.6 283.33 292.3 145.09 207.42 115.22 267.56 203.33 274.48 1959 657.87 675.66 626.54 622.76 301.4 129.3 83.48 32.39 24.55 201.1 441.78 619.3 368.01 1960 527.2 440.8 275.31 741.64 423.73 278.42 64.96 48.91 22.8 19.1 36.16 31.87 242.57 1961 49.05 492.67 672.85 849.6 405.85 258.52 72.82 52.31 45.36 32.89 182.99 226.54 278.45 1962 293.93 188.07 483.88 573.54 208.79 124.7 29.58 22.93 24.97 98.92 225.31 103.42 198.17 1963 152.18 82.93 960.04 624.96 193.51 93.11 39.53 27.35 24.45 16.12 92.31 172.32 206.57 1964 373.24 156.56 1170.2 627.69 209.63 81.6 79.52 116.21 36.34 32.6 70.54 405.47 279.97 1965 497.96 598.99 489.56 591.35 291.75 115.61 42.91 31.88 37.97 68.02 343.28 361.95 289.27 1966 312.61 498.12 632.96 443.71 387.72 103.07 28.71 31.16 25.66 34.39 207.87 511.13 268.09 1967 206.72 244.13 367.97 474.96 430.62 112.04 197.52 210.9 208.65 546.72 527.17 449.63 331.42 1968 359.15 436.81 362.9 258.75 265.13 148.44 114.21 85.33 92.39 132.31 351.37 557.69 263.71 1969 495.85 459.95 180.74 659.13 353.86 137.79 171.48 101.44 80.51 84.31 175.86 390.05 274.25 1970 277.31 448.72 351.84 679.61 332.91 111.54 171.74 99.56 218.48 409.55 652.9 596.03 362.52 1971 269.47 385.98 674.95 400.69 248.75 138.47 78.9 68.45 79.92 84.42 126.69 528.77 257.12 1972 539.48 219.94 900.39 494.08 353.75 604.5 607.25 94.94 91.61 178.28 446.26 719.25 437.48 1973 353.13 334.43 696.02 313.63 386.61 251.97 64.25 72.14 67.81 115.32 232.15 375.27 271.89 1974 553.09 385.79 648 585.84 420.22 106.71 196.75 68.84 119.58 145.59 454.86 438.82 343.67 1975 464.52 586.69 679.43 337.19 262 466.14 72.24 114.13 269.84 321.82 234.46 518.66 360.59 1976 389.81 915.74 892.99 247.03 255.84 120.76 133.67 124.09 108.67 296.72 275.39 263.95 335.39 1977 148.3 271.54 844.85 480.19 198.77 85.89 247.51 391.72 501.93 499.82 563.84 884.4 426.56 1978 449.88 207.52 418.27 657.45 377.65 137.75 77.98 66.65 59.58 143.03 195.92 365.78 263.12 1979 659.06 244.27 743.57 683.9 219.84 117.98 68.7 117.17 199.86 343.37 297.61 472.89 347.35 1980 433.27 118.44 405.48 670.82 173.13 237.48 114.53 250.53 121.29 190.23 290.19 358.66 280.34 1981 255.97 696.65 459.24 464.08 422.62 353.06 99.65 126.76 175.67 355.37 441.27 435.3 357.14 1982 348.16 415.86 637.1 491.22 166.74 413.62 159.26 76.88 74.3 81.63 311.41 467.47 303.64 1983 465.39 284.52 392.35 357.6 505.77 180.61 105.49 110.31 56 77.23 292.33 631.47 288.26 1984 157.66 646.9 520.58 524.62 691.12 522 208.17 192.59 129.13 122.62 394.68 440.22 379.19 1985 305.01 453.07 903.68 384.25 72.31 132.59 168.33 78.56 89.7 110.74 737.14 531.71 330.59 1986 452.48 476.13 390.81 313.54 155.33 575.75 300.68 122.34 125.11 383.88 278.39 621.06 349.63 1987 197.17 126.85 385.8 603.18 215.89 173.39 367.87 113.15 371.69 234.2 291.67 535.92 301.4 1988 230.2 396.1 349.86 360.25 312.42 84.2 69.9 62.65 88.35 158.89 337.72 268.54 226.59 1989 310.64 319.2 277.6 592.17 646.82 702.92 244.94 77.7 103.05 133.29 296.57 220 327.08 1990 503.22 867.92 327.6 422.27 477.84 108.29 188.52 98.63 385.21 648.55 375.68 643.71 420.62 1991 619.74 504.34 624.98 306.21 198.35 65.32 64 56.32 62.23 69.41 66.62 152.77 232.52 1992 295.42 327.28 341.14 570.03 244.49 71.53 299.78 290.19 355.02 383.07 722.84 432.88 361.14 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 388.79 388.87 605.27 545.31 343.16 209.07 127.44 88.11 98.98 156.76 278.16 377.65 300.63 Std Dev 214.14 193.59 248.72 207.86 168.84 156.18 102.66 73.08 100.75 150.85 181.44 173.94 61.61