Country= U.S.A. Station= FORT LUPTON, CO. River= SOUTH PLATTE RIVER Area= 12975.13 Lat= 40.08 Lon= -104.82 Source= USGS PointID= 6721000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1941 Ending Year= 1981 Total Years= 41 Total Usable Years= 40 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1941 635.95 632.28 607.45 609 515.73 282.19 124.66 78.32 95.04 129.21 172.96 507.69 365.87 1942 573.65 626.41 444.67 557.56 460.11 293.7 111.66 70.86 105.46 141.35 196.49 317.51 324.95 1943 471.08 609.42 607.08 523.96 301.9 172.53 71.79 53.34 91.87 131.51 156.39 166.12 279.75 1944 195.6 310.41 242.17 102.07 131.03 83.8 53.74 69.26 112.47 90.49 191.38 257.54 153.33 1945 253.04 457.82 310.01 209.37 163.49 151.9 147.72 162.69 178.19 185.7 264.8 467.63 246.03 1946 611.28 351.74 299.47 265.79 204.22 169.2 162.08 168.85 180.94 173.86 212.24 284.08 256.98 1947 215.23 264.71 296.66 206.71 115.17 143.55 120.16 127 153.23 173.6 200.47 158.94 181.29 1948 306.33 173.57 243.81 510.46 480.93 374.45 178.78 212.96 231.87 198.37 214.12 233.22 279.91 1949 215.04 207.29 537.79 239.2 177.94 154.47 159.27 182.22 203.73 164.91 177.67 156.99 214.71 1950 281.13 367.24 265.35 201.39 147.46 155.11 151.5 159.92 188.84 171.17 311.29 564.33 247.06 1951 510.44 612.66 435.53 184.15 214.73 156.19 209.16 241.37 207.67 170.71 197.68 382.15 293.54 1952 622.7 631.08 599.41 564.92 472.16 275.62 218.22 220.82 247.42 185.43 188.27 516.72 395.23 1953 671.66 464.51 305.31 210.25 300.13 268.15 175.52 210.85 272.68 205.97 246.06 250.2 298.44 1954 411.14 654.12 541.13 471.95 246.77 199.36 201.72 240.89 242.15 197.63 280.74 399.56 340.6 1955 365.37 253.51 187.6 189.18 210.8 159.24 203.26 194.06 207.25 164.42 203.43 448.73 232.24 1956 697.6 580.79 505.5 278.14 364.19 228.23 192.25 186.84 245.27 226.8 242.8 221.86 330.86 1957 205.1 227 557.84 213.79 323.86 216.79 173.5 169.82 215.11 369.64 364.08 408.04 287.05 1958 584.34 770.42 640.69 656.2 447.13 318.32 214.48 261.73 292.3 240.91 236.09 220.85 406.96 1959 494.27 534.79 340.17 168.11 192.47 155.99 184.85 238.58 230.81 168.29 144.37 135.83 249.04 1960 210.05 491.84 372.26 168.34 228.47 158.34 191.84 190.5 197.47 165.6 215.28 339.69 244.14 1961 213.55 669.49 607.35 260.54 197.33 197.98 197.02 224.08 214.57 165.86 188.3 328.59 288.72 1962 205.12 480.74 447.59 206.47 201.9 177.67 179.88 208.98 219.32 310.25 224.99 420.64 273.63 1963 320.55 645.12 338.69 645.16 374.04 220.99 199.69 214.01 320.42 264.75 350.69 358.26 354.36 1964 360.52 363.93 207.65 137.94 187.82 179.37 216.18 233.96 258.57 161.87 255.97 382.28 245.5 1965 712.49 553.29 248.15 449.93 267.53 204.37 217.12 271.7 278.35 251.35 364.23 404.64 351.93 1966 600.87 469.66 348.61 246.63 230.29 215.29 275.12 284.13 249.64 217.23 353.65 638.14 344.11 1967 422.77 614.58 405.67 613.72 557.75 412.11 286.85 291.85 345.47 296.59 260.87 314.29 401.88 1968 412.64 621.7 550.81 229.54 229.79 191.47 251.65 303.02 295.52 245.74 273.9 471.9 339.81 1969 628.45 753.64 560.68 419.85 428.77 390.59 271.62 266.69 288.28 254.69 266.09 502.22 419.3 1970 722.63 729.06 539.94 250.69 234.67 198.43 214.46 189.57 235.96 225.48 380.57 713.04 386.21 1971 668.74 517.09 386.79 454.77 445.31 356.7 274.36 296.3 317.43 252.59 226.8 302.51 374.95 1972 316.76 322.26 470.88 263.02 255.01 225.71 239.51 201.96 221.66 228.6 413.32 454.72 301.12 1973 671.94 752.22 640.6 331.85 268.57 213.58 235.44 240.87 272.89 252.7 591.38 747.48 434.96 1974 760.36 679.41 681.07 666.02 385.66 312.09 273.6 289.32 339.18 277.15 323.56 363.72 445.93 1975 291.22 645.23 678.6 468.08 423.75 305.44 252.37 265.49 287.96 277.21 326.37 345.92 380.64 1976 248.97 225.94 282.77 226.55 252.43 244.06 243.41 291.5 208.52 131.77 137.55 121.27 217.9 1977 198.53 179.82 160.58 124.29 171.35 138.25 179.52 164.12 136.59 99.66 158.24 270.62 165.13 1978 612.27 604.87 620.78 603.81 296.21 160.43 182.83 215.78 239.89 193.56 203.22 215.12 345.73 1979 329.48 394.73 367.42 264.24 215.66 161.98 249.68 203.05 187.49 172.32 246.24 306.76 258.25 1980 635.49 565.95 618.77 251.76 190.6 203.04 200.35 193.71 214.37 169.59 186.17 289.55 309.95 1981 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 446.61 500.26 437.58 341.14 287.83 220.67 197.17 207.27 225.8 202.61 253.72 359.73 306.7 Std Dev 186.07 174.03 152.35 172.06 116.13 75.37 52.92 63.09 62.7 58.3 87.87 147.21 73.07