Flood hydrograph, 50-yr return period, upstream of the project, in m3/sec, at intervals of 7.5 min. 1 0.22 0.43 1.10 1.77 3.22 4.68 6.82 9.15 1 2 12.18 15.82 19.69 23.51 27.03 30.61 33.70 36.92 2 3 39.80 42.76 45.63 48.66 51.69 54.86 58.20 61.96 3 4 66.25 70.90 75.46 80.22 84.89 89.52 93.98 98.27 4 5 102.39 106.28 109.94 113.36 116.62 119.70 122.57 125.24 5 6 127.83 130.30 132.72 135.07 137.47 139.85 142.28 144.69 6 7 147.15 149.61 152.07 154.54 157.02 159.54 162.07 164.63 7 8 167.34 170.12 173.17 176.40 180.02 183.83 188.00 192.38 8 9 197.17 202.15 207.57 213.17 219.56 226.17 233.80 241.80 9 10 251.38 261.43 273.31 285.89 304.75 324.41 354.74 386.36 10 11 431.10 479.83 538.17 605.48 668.50 735.99 786.52 831.25 11 12 854.44 870.80 874.76 879.74 883.05 888.76 899.94 913.35 12 13 932.35 952.30 974.36 995.08 1016.54 1034.90 1049.42 1056.61 13 14 1057.74 1050.80 1036.11 1013.15 984.61 950.96 913.67 873.63 14 15 833.36 793.82 756.10 720.24 686.96 656.13 628.27 602.93 15 16 579.80 558.68 540.00 523.30 508.52 495.32 484.09 474.58 16 17 466.80 460.62 456.18 453.31 451.76 451.46 452.37 454.39 17 18 457.26 460.87 465.22 470.12 475.43 480.99 486.86 492.88 18 19 498.89 504.84 510.69 516.38 521.84 527.07 532.17 537.07 19 20 541.91 546.58 551.28 555.93 560.51 564.99 569.31 573.44 20 21 577.24 580.76 583.95 586.81 589.28 591.29 592.91 594.04 21 22 594.72 594.83 594.43 593.40 591.78 589.52 586.61 583.05 22 23 578.76 573.79 568.11 561.80 554.87 547.39 539.48 531.19 23 24 522.61 513.77 504.78 495.61 486.34 476.97 467.53 458.07 24 25 448.33 438.61 428.42 418.27 407.37 396.43 384.78 372.91 25 26 360.73 348.43 336.34 324.45 313.24 302.31 292.03 281.86 26 27 272.20 262.62 253.28 243.88 234.65 225.44 216.41 207.46 27 28 198.79 190.42 182.52 175.08 168.19 161.85 156.14 151.00 28 29 146.39 142.27 138.66 135.49 132.66 130.11 127.86 125.85 29 30 124.00 122.28 120.71 119.25 117.87 116.54 115.28 114.08 30 31 112.89 111.72 110.58 109.43 108.27 107.09 105.88 104.63 31 32 103.34 101.99 100.60 99.15 97.63 96.05 94.42 92.72 32 33 90.97 89.15 87.28 85.37 83.40 81.39 79.35 77.27 33 34 75.16 73.03 70.88 68.71 66.52 64.32 62.11 59.88 34 35 57.65 55.41 53.17 50.93 48.69 46.46 44.23 42.03 35 36 39.84 37.67 35.53 33.43 31.43 29.59 27.90 26.35 36 37 24.91 23.55 22.23 20.95 19.73 18.56 17.45 16.38 37 38 15.37 14.41 13.50 12.65 11.84 11.08 10.36 9.68 38 39 9.05 8.46 7.90 7.39 6.91 6.46 6.04 5.65 39 40 5.29 4.95 4.64 4.36 4.09 3.84 3.61 3.40 40 41 3.20 3.01 2.83 2.66 2.51 2.36 2.21 2.08 41 42 1.95 1.82 1.70 1.59 1.48 1.37 1.27 1.17 42 43 1.07 0.98 0.88 0.79 0.70 0.61 0.53 0.45 43 44 0.37 0.30 0.23 0.17 0.11 0.06 0.02 0.00 44 45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 45 46 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 46 47 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 47 48 0.00 0.00 0.01 0.02 0.03 0.04 0.04 0.04 48