Results
Country: | U.S.A.
| Station: | PIERRE SD | River: | MISSOURI R | Area: | 630627.62 | Lat: | 44.37 | Lon: | -100.37 | Source: | USGS | PointID: | 6440000 | Area Units: | km2 | Discharge Units: | m3/sec | Starting Year: | 1939 | Ending Year: | 1993 | Total Years: | 55 | Total Usable Years: | 54 | |
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Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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1939 | 458.95 | 1383.49 | 1150.13 | 988.64 | 235.04 | 163.35 | 100.31 | 80.41 | 40.9 | 150.12 | 210.23 | 435.49 | 449.75 |
1940 | 215.9 | 457.13 | 957.85 | 2372.4 | 535.47 | 519.93 | 237.11 | 71.43 | 117.77 | 74.09 | 284.66 | 1005.16 | 570.74 |
1941 | 640.56 | 323.79 | 713.73 | 820.38 | 173.56 | 393.49 | 131.82 | 178 | 78.81 | 109.5 | 221.67 | 364.06 | 345.78 |
1942 | 404.26 | 666.57 | 1659.83 | 1025.87 | 535.55 | 263.15 | 346.44 | 156.84 | 217.92 | 491.72 | 884.91 | 946.56 | 633.3 |
1943 | 1241.84 | 1030.54 | 1041.33 | 936.84 | 1370.45 | 604.97 | 177.58 | 134.54 | 57.6 | 100.84 | 292.51 | 180.93 | 597.5 |
1944 | 308.13 | 550.36 | 1315.64 | 1132.96 | 779.63 | 332.18 | 106.51 | 52.4 | 73.21 | 144.43 | 169.57 | 427.33 | 449.36 |
1945 | 411.44 | 981.88 | 2464.31 | 956.83 | 805.12 | 455.78 | 230.57 | 152.64 | 345.34 | 791.87 | 827.89 | 514.07 | 744.81 |
1946 | 802.19 | 457.27 | 1018.59 | 254.85 | 848.88 | 1126.83 | 235.71 | 136.1 | 52.39 | 151.29 | 173.68 | 400.27 | 471.5 |
1947 | 1072.3 | 531.52 | 784.76 | 1514.49 | 1179.27 | 829.39 | 221.69 | 149.68 | 136.44 | 59.1 | 181.38 | 428.5 | 590.71 |
1948 | 320.76 | 867.92 | 1400.5 | 1465.4 | 771.68 | 420.38 | 268.51 | 182.59 | 51.89 | 118.31 | 270.71 | 576.02 | 559.56 |
1949 | 1179.81 | 903.31 | 715.14 | 865.65 | 489.38 | 137.27 | 156.78 | 113.94 | 97.53 | 60.7 | 104.48 | 586.28 | 450.86 |
1950 | 1390.64 | 1130.15 | 1260.65 | 1181.29 | 592.74 | 385.79 | 250.27 | 136.2 | 248.81 | 233.95 | 1001.83 | 1200.73 | 751.09 |
1951 | 1373.92 | 1316.74 | 1203.11 | 1252.93 | 470.31 | 523.04 | 347.76 | 69 | 56.88 | 53.53 | 361.18 | 677.69 | 642.17 |
1952 | 1942.45 | 982.4 | 1150.22 | 922.1 | 979.71 | 211.47 | 68.17 | 74.93 | 62.29 | 54.48 | 172.25 | 434.76 | 587.94 |
1953 | 618.47 | 655.34 | 976.3 | 845.92 | 1079.97 | 712.24 | 104.7 | 125.36 | 89.06 | 56.78 | 76.05 | 281.06 | 468.44 |
1954 | 454.07 | 656.64 | 1016.58 | 1115.41 | 550.45 | 295.78 | 90.16 | 96.42 | 75.89 | 755.13 | 325.67 | 784.29 | 518.04 |
1955 | 811.93 | 751.21 | 1635.35 | 722.65 | 295.37 | 247.66 | 110.14 | 127.24 | 55.1 | 339.18 | 682.06 | 476.49 | 521.2 |
1956 | 187.24 | 1205.13 | 1697.65 | 1423.59 | 1208.31 | 517.81 | 589.58 | 651.98 | 496.95 | 182.17 | 207.21 | 824.65 | 766.02 |
1957 | 749.42 | 701.35 | 703.08 | 1577.45 | 475.98 | 230.76 | 197.58 | 54.53 | 50.52 | 49.02 | 103.14 | 695.08 | 465.66 |
1958 | 362.15 | 247.81 | 861.29 | 1036.59 | 908.18 | 412.55 | 599.19 | 428.85 | 357.36 | 212.7 | 419.5 | 368.36 | 517.88 |
1959 | 1155.46 | 1205.19 | 1009.27 | 1001.38 | 622.7 | 228 | 155.83 | 82.76 | 53.19 | 295.78 | 664.51 | 1034.67 | 625.73 |
1960 | 969.99 | 770.71 | 468.4 | 1329.48 | 856.34 | 514.27 | 150.34 | 94.2 | 74.36 | 48.29 | 78.23 | 65.58 | 451.68 |
1961 | 128 | 902.36 | 1405.62 | 1402.82 | 748.57 | 469.34 | 166.33 | 171.22 | 83.62 | 62.85 | 320.43 | 377.8 | 519.91 |
1962 | 565.19 | 453.45 | 1066.45 | 1166.28 | 339.94 | 192.45 | 59.77 | 50.57 | 63.75 | 185.59 | 345.4 | 190.54 | 389.95 |
1963 | 332.57 | 202.94 | 1740.16 | 867.44 | 326.26 | 191.95 | 79.66 | 65.98 | 53.55 | 34.76 | 123.59 | 275.35 | 357.85 |
1964 | 648.58 | 335.82 | 2049.47 | 1210.93 | 447.9 | 188.24 | 138.86 | 187.95 | 66.32 | 58.85 | 106.71 | 680.38 | 510 |
1965 | 1032.64 | 968.64 | 997.95 | 995.34 | 464.07 | 180.21 | 70.56 | 59.65 | 96.87 | 154.52 | 515.97 | 522.04 | 504.87 |
1966 | 558.42 | 991 | 988.17 | 784.85 | 919.08 | 172.71 | 55.05 | 66.92 | 64.36 | 68.93 | 297.89 | 810.21 | 481.47 |
1967 | 313.34 | 553.13 | 1149.93 | 906.33 | 901.58 | 185.71 | 265.13 | 274.66 | 261.49 | 729.5 | 792.4 | 753.23 | 590.54 |
1968 | 530.78 | 805.26 | 717.15 | 514.36 | 725.37 | 343.74 | 173.89 | 131.66 | 130.95 | 158.89 | 524.31 | 850.33 | 467.22 |
1969 | 819 | 804.22 | 294.73 | 1077.93 | 638.23 | 203.03 | 256.97 | 177.75 | 115.82 | 128.94 | 321.97 | 649.77 | 457.36 |
1970 | 447.63 | 959.04 | 802.65 | 1306.45 | 633.94 | 314.73 | 277.98 | 196.11 | 302.04 | 599.1 | 1068.78 | 1074.58 | 665.25 |
1971 | 548.35 | 892.03 | 1302.31 | 610.99 | 510.4 | 233.28 | 132.77 | 159.53 | 221 | 143.61 | 190.52 | 911.08 | 487.99 |
1972 | 902.67 | 388.98 | 1660.38 | 1076.71 | 581.43 | 1288.57 | 980.69 | 160.57 | 176.18 | 282.94 | 819.19 | 1336.47 | 804.57 |
1973 | 574.05 | 631.51 | 1194.16 | 727.65 | 802.83 | 459.75 | 150.38 | 153.41 | 111.59 | 240.87 | 515.14 | 773.42 | 527.9 |
1974 | 1090.94 | 633.39 | 1151.22 | 1020.07 | 729.39 | 262.62 | 363.81 | 130.69 | 332.96 | 220.56 | 625.03 | 862.57 | 618.6 |
1975 | 850.7 | 1202.16 | 1275.54 | 642.98 | 560.59 | 791.18 | 157.1 | 163.39 | 528.47 | 601.14 | 415.69 | 781.18 | 664.18 |
1976 | 771.23 | 1511.74 | 1202.92 | 460.68 | 339.43 | 248.14 | 249.4 | 243.98 | 167.16 | 590.64 | 414.26 | 414.78 | 551.2 |
1977 | 189.07 | 478.1 | 1567.12 | 969.95 | 331.98 | 129.51 | 597.04 | 591 | 637.25 | 738.97 | 785.85 | 1378.76 | 699.55 |
1978 | 817.81 | 411.29 | 964.12 | 1106.72 | 868.77 | 354.29 | 204.17 | 182.03 | 166.05 | 289.04 | 320.98 | 777.53 | 538.57 |
1979 | 1089.11 | 496.93 | 1556.16 | 1181.67 | 482.94 | 267.65 | 182.14 | 287.94 | 423.6 | 670.47 | 566.62 | 732.41 | 661.47 |
1980 | 573.93 | 285.86 | 924.43 | 1305.22 | 478.74 | 479.46 | 361.73 | 614.84 | 203.32 | 277.64 | 444.48 | 619.49 | 547.43 |
1981 | 331.77 | 1444.98 | 908.15 | 879.62 | 726.5 | 673.66 | 269.98 | 220.67 | 336.33 | 564.83 | 638.64 | 702.44 | 641.46 |
1982 | 587.62 | 892.49 | 1197.35 | 789.63 | 379.47 | 726.21 | 269.36 | 137.24 | 123.04 | 118.01 | 445.58 | 716.88 | 531.91 |
1983 | 615.37 | 513.65 | 671.78 | 799.48 | 1019.87 | 470.13 | 250.69 | 170.95 | 103.9 | 142.2 | 492.98 | 1061.25 | 526.02 |
1984 | 344.28 | 1170.37 | 934.92 | 1088.41 | 1116.51 | 887.45 | 495.26 | 510.45 | 197.75 | 173.16 | 651.39 | 867.87 | 703.15 |
1985 | 527.46 | 734.25 | 1453.3 | 882.73 | 241.12 | 267.47 | 269.78 | 137.17 | 160.19 | 164.75 | 1280.64 | 951.09 | 589.16 |
1986 | 740.99 | 1268.5 | 802.38 | 576.65 | 273.8 | 770.45 | 531.73 | 205.48 | 171.67 | 572.53 | 639.86 | 1088.74 | 636.9 |
1987 | 425.08 | 275.33 | 666.73 | 1208.38 | 448.01 | 332.19 | 581.84 | 197.08 | 641.7 | 420.04 | 410.22 | 915.37 | 543.5 |
1988 | 433.2 | 851.66 | 701.35 | 627.91 | 613.47 | 154.08 | 105.8 | 89.5 | 151.27 | 208.86 | 519 | 413.65 | 405.81 |
1989 | 569.71 | 681.36 | 690.11 | 1059.76 | 1192.23 | 1297.48 | 438.79 | 139.47 | 178.75 | 236.75 | 479.63 | 345.39 | 609.12 |
1990 | 995.11 | 1487.05 | 588.9 | 820.25 | 789.17 | 332.56 | 557.74 | 216.32 | 642.44 | 976.21 | 610.8 | 1186.94 | 766.96 |
1991 | 1203.75 | 934.76 | 1081.07 | 605.23 | 352.12 | 106.44 | 106.71 | 78.22 | 83.21 | 86.48 | 94.91 | 302.65 | 419.63 |
1992 | 465.77 | 545.84 | 761.18 | 982.69 | 400.88 | 118.87 | 557.89 | 512.08 | 536.1 | 492.44 | 993.83 | 792.6 | 596.68 |
1993 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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Avg | 686.96 | 786.75 | 1105.03 | 1007.39 | 650.9 | 418.88 | 263.63 | 185.82 | 193.02 | 276.43 | 453.44 | 681.94 | 559.18 |
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Std Dev | 362.28 |
339.51 |
399.67 |
331.56 |
282.29 |
280.03 |
184.46 |
142.47 |
165.78 |
238.55 |
281.51 |
301.67 |
106.12 |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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