Country= U.S.A. Station= WELDONA, CO. River= SOUTH PLATTE RIVER Area= 34302.52 Lat= 40.32 Lon= -103.92 Source= USGS PointID= 6758500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1930 Ending Year= 1993 Total Years= 64 Total Usable Years= 63 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1930 747.29 765.67 1162.92 752.38 469.97 201.42 83.56 79.68 144.89 182.03 210.48 212.32 417.72 1931 360.93 357.16 392.34 167.99 87.87 53 14.06 23.96 85.05 117.22 164.78 433.72 188.17 1932 698.61 528.94 696.51 626.09 705.18 355.35 89.06 58.49 84.91 98.02 111.08 181.72 352.83 1933 281.99 332.14 583.64 535.19 403.65 302.03 67.81 43.32 86.01 117.63 167.38 296.57 268.11 1934 679.88 592.23 592.1 401.74 168.44 91.13 42.72 38.97 83.81 114.75 310.5 274.98 282.6 1935 920.21 627.93 964.51 1373.56 1071.2 420.64 116.7 86.01 120.33 169.77 177.96 221.84 522.56 1936 990.09 1119.4 1014.11 954.09 574.56 361.34 107.28 75.86 121.23 140.4 144.39 169 480.98 1937 221.4 866.26 1111.03 1225.75 827.04 353.35 103.82 54.86 99.47 188.96 665.81 1180.54 574.86 1938 823.29 1601.63 1633.98 1566.78 1521.44 948.15 259.85 142.6 166.94 221.32 262.67 364.3 792.75 1939 313.27 357.29 548.46 361.2 159 70.42 36.28 43.06 116.14 139.22 138.17 265.01 212.29 1940 1225.88 1547.87 1495.14 1491.27 646.63 257.6 95.31 75.59 145.38 184.91 283.23 737.81 682.22 1941 1612.15 1615.08 1453.67 1492.97 1292.35 564.17 222.59 122.16 139.39 185.29 241.01 1095.78 836.38 1942 1223.11 1638.54 902.31 1436.24 1164.74 734.92 207.06 106.86 156.37 216.12 332.71 597.31 726.36 1943 1054.03 1317.85 1452.21 1238.59 660.43 343.04 116.92 80.71 131.64 201.68 231.09 248.15 589.7 1944 295.96 610.28 631.29 388.23 453.65 191.21 84.29 93.88 151.44 138.12 326.26 454.93 318.29 1945 398.54 1079.89 640.51 569.55 505.41 295.7 181.06 193.71 228.48 246.71 389.17 926.79 471.29 1946 1332.63 602.44 615.21 674.13 525.78 261.25 190.24 199.92 233.79 228.47 306.39 433.07 466.94 1947 291.02 530.65 676.5 501.49 186.24 195.49 137.27 152.49 194.02 243.58 280.08 224.86 301.14 1948 541.7 285.61 436.37 1183.46 1148.76 699.9 235.62 248.49 287.62 277.32 280.82 318.31 495.33 1949 303.69 337.09 1134.05 638.93 442.75 209.84 172.86 196.87 239.48 187.16 221.67 197.42 356.82 1950 547.29 892.09 660.06 736.53 556.66 334.88 183.79 185.42 244.96 250.19 751.09 1380.86 560.32 1951 1144.83 1468.24 904.5 532.74 550.72 225.15 226.21 266.61 275.13 252.22 326.82 830.42 583.63 1952 1457.5 1573.16 1358.49 1553 1461.16 837.9 390.35 277.57 315.03 267.35 282.92 819.22 882.8 1953 1638.64 848.09 597.03 626.47 808.68 661.67 251.82 248.43 354.25 297.65 373.28 371.23 589.77 1954 713.07 1440.73 1164.01 1169.21 548.16 285.56 226.82 273.3 311.06 280.06 399.76 591.73 616.96 1955 546.88 364.38 331.03 351.88 479.11 243.06 218.13 215.88 249.34 197.31 262.43 951.4 367.57 1956 1697.1 1334.41 1183.47 785.14 1022.15 550.95 250.41 234.43 323.66 313.68 357.83 300.28 696.13 1957 308.68 483.19 1219.09 474.22 737.16 375.53 193.87 195.61 279.75 477.46 468.17 625.26 486.5 1958 941.95 1820.78 1417.22 1521.38 1222.38 740.02 304.44 310.12 369.44 314.32 322.06 304.63 799.06 1959 739.53 1066.94 687.65 358.69 298.41 184.39 195.53 247.76 270.4 206.4 190.33 186.5 386.04 1960 300.76 932.02 856.18 452.37 384.11 231.01 212.65 218 240.6 201.03 301.04 465.68 399.62 1961 295.81 1081.3 808.31 460.26 346.64 256.5 213.2 247.93 248.74 187.48 227.37 423.76 399.77 1962 277.41 1073.03 882.85 632.88 467.23 305.13 197.56 239.69 270.87 705.73 378.6 828.14 521.59 1963 470.24 1391.17 602.6 1511.18 1035.31 386.15 249.3 234.73 377.37 332.59 551.99 483.12 635.48 1964 611.19 500.33 333.41 314.9 348.72 254.9 237.55 264.5 311.32 238.27 370.59 868.69 387.86 1965 1681.39 1099.81 526.7 1033.38 676.68 405.31 267.95 331.31 371.14 353.14 526.51 570.09 653.62 1966 922.13 716.82 616.31 575.87 389.24 233.16 285.12 295.87 285.99 241.86 474.46 1138.98 514.65 1967 854.35 1267.29 965.61 1193.28 1245.03 996.19 437.73 353.96 437.69 380.64 324.51 367.12 735.28 1968 516.01 1021.07 893.17 326.65 357.34 243.4 264.12 331.58 345.14 293.78 333.39 583.79 459.12 1969 1271.71 1720.56 1127.02 1049.05 916.37 516.03 336.24 456.82 512.63 350.4 367.65 885.23 792.48 1970 1698.38 1661.2 1091.76 349.2 355.77 274.71 282.72 353.69 443.07 384.56 572.29 1561.64 752.42 1971 1296.28 764.86 804.57 946.83 728.11 683.76 485.13 567.34 626.18 397.81 393.51 536.84 685.94 1972 477.74 533.63 606.17 343.73 340.02 340.97 357.98 371.5 413.9 404.02 595.88 672.57 454.84 1973 1380.86 1597.89 1273.99 523.77 411.6 336.5 355.33 412.33 444.95 398.72 1226.13 1621.01 831.92 1974 1806.44 1271.13 1568.03 1579.33 674.13 559.54 541.04 601.14 617.03 484.86 552.37 653.12 909.01 1975 473.9 1140.37 1265.22 764.65 721.9 566.25 435.53 488.24 519.14 449.24 536.8 632.02 666.11 1976 365.82 325.16 360.65 328.65 276.21 290.9 321.59 353.41 331.21 220.86 209.56 193.29 298.11 1977 267.88 221.16 190.6 175.22 210.47 161.56 213.2 195.72 178.41 133.8 195.59 336.1 206.64 1978 1176.25 1078.47 1313 937.1 519.11 267.67 346.2 404.66 421.26 303.76 309.52 331.86 617.41 1979 546.43 775.58 691.76 369.73 338.25 261.29 401.92 383.56 340.65 293.78 356.61 514.91 439.54 1980 1466.46 1312.25 1412.1 472.14 335.28 422.87 382.55 364.1 380.96 271.96 263.84 390.07 622.88 1981 474.93 628.84 651.84 443.17 324.36 221.52 392.14 374.24 318 223.43 778.03 1475.5 525.5 1982 1504.73 1389.05 1506.37 1759.71 926.42 533.4 412.33 483.67 592.77 451.79 692.07 1285.23 961.46 1983 1101.81 1905.84 2020.19 1474.28 1430.65 1098.51 695.23 605.98 601.08 522.59 1119.65 1825.62 1200.12 1984 1409.18 778.82 759.17 431.75 365.55 351.04 503.86 476.82 445.43 302.89 631.09 790.14 603.81 1985 405.02 441.34 357.77 312.72 319.99 316.7 394.06 334.87 300.9 235.45 259.2 398.58 339.72 1986 488.15 1665.14 1807.72 550.69 292.29 262.01 361.73 339.8 445.71 353.67 305.57 324.73 599.77 1987 344.88 468.95 575.15 312.39 274.97 276.91 362.09 353.96 277.41 216.68 198.93 404.01 338.86 1988 656.22 308.34 292.93 437 281.47 274.23 358.16 357.16 305.02 240.19 300.76 321.59 344.42 1989 343.69 331.63 1097.51 512.82 307.65 294.89 420.28 438.27 405.41 312.29 337.39 382.83 432.06 1990 474.99 347.8 343.01 400.74 294.63 255.7 256.36 349.99 258.05 188.23 199.8 284.72 304.5 1991 242.43 214.95 667.92 272.97 190.98 200.85 201.23 211.64 252.11 212.51 171.26 226.65 255.46 1992 275.72 706.54 530.99 245.42 144.92 137.57 144.11 189.53 265.02 177.28 169.52 319.59 275.52 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 792.54 931.4 896.19 748.93 586.21 374.07 259.24 262.84 295.15 268.58 368.44 591.96 531.3 Std Dev 473.47 481.21 411.99 444.1 358.75 220.43 134.14 143.83 137.65 112.58 212.16 395.73 207.56