Flood hydrograph, 10-yr return period, downstream of the project, in m3/sec, at intervals of 7.5 min. 1 0.17 0.35 0.89 1.43 2.61 3.79 5.49 7.20 1 2 9.17 11.27 13.47 15.87 18.21 20.72 22.98 25.40 2 3 27.67 30.10 32.49 35.10 37.69 40.23 42.63 44.95 3 4 47.15 49.33 51.44 53.59 55.74 57.94 60.16 62.40 4 5 64.64 66.86 69.03 71.12 73.14 75.09 76.98 78.81 5 6 80.63 82.41 84.18 85.90 87.65 89.37 91.13 92.86 6 7 94.62 96.39 98.14 99.91 101.68 103.50 105.36 107.28 7 8 109.37 111.52 113.87 116.29 118.95 121.70 124.67 127.74 8 9 131.14 134.69 138.59 142.66 147.37 152.26 157.89 163.69 9 10 170.63 177.77 186.12 194.74 208.18 222.00 244.14 266.87 10 11 299.39 333.06 370.54 410.26 442.75 478.59 504.93 535.14 11 12 558.44 584.76 604.71 624.91 640.52 652.67 662.34 666.49 12 13 668.29 665.77 662.58 657.98 655.15 653.44 655.13 658.62 13 14 664.54 670.87 677.38 681.68 682.99 679.39 670.71 656.36 14 15 637.29 614.18 588.66 561.72 534.84 508.58 483.82 460.80 15 16 439.88 421.13 404.82 390.70 378.94 369.19 361.49 355.50 16 17 351.16 348.21 346.53 345.89 346.09 346.96 348.28 349.92 17 18 351.71 353.59 355.52 357.46 359.50 361.65 364.04 366.69 18 19 369.66 372.98 376.63 380.59 384.76 389.03 393.32 397.41 19 20 401.23 404.53 407.24 409.15 410.15 410.16 409.12 407.04 20 21 403.87 399.72 394.59 388.57 381.76 374.24 366.15 357.53 21 22 348.57 339.31 329.92 320.43 310.97 301.60 292.40 283.44 22 23 274.73 266.35 258.29 250.59 243.26 236.26 229.61 223.26 23 24 217.24 211.50 206.08 200.94 196.09 191.53 187.23 183.20 24 25 179.19 175.43 171.49 167.73 163.52 159.42 154.94 150.49 25 26 145.91 141.24 136.62 131.81 127.11 122.21 117.54 112.71 26 27 108.12 103.49 99.11 94.81 90.75 86.81 83.08 79.44 27 28 75.93 72.46 69.06 65.67 62.35 59.05 55.85 52.73 28 29 49.76 46.94 44.33 41.92 39.74 37.76 36.00 34.42 29 30 33.00 31.71 30.55 29.49 28.53 27.65 26.84 26.10 30 31 25.40 24.76 24.16 23.59 23.05 22.52 22.01 21.49 31 32 20.96 20.42 19.86 19.28 18.68 18.05 17.40 16.73 32 33 16.04 15.33 14.59 13.82 13.03 12.22 11.38 10.52 33 34 9.72 8.95 8.23 7.52 6.84 6.17 5.51 4.87 34 35 4.26 3.67 3.12 2.60 2.12 1.68 1.28 0.91 35 36 0.59 0.34 0.17 0.08 0.03 0.01 0.01 0.01 36 37 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 37 38 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 38 39 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 39 40 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 40 41 0.00 0.00 0.00 0.01 0.01 0.01 0.01 0.01 41 42 0.01 0.01 0.01 0.00 0.00 0.00 0.00 0.00 42 43 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 43 44 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 0.01 0.01 0.01 46 47 0.01 0.01 0.01 0.01 0.01 0.00 0.00 0.00 47 48 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 48