Flood hydrograph, 2-yr return period, downstream of the project, in m3/sec, at intervals of 7.5 min. 1 0.08 0.16 0.40 0.65 1.18 1.71 2.47 3.24 1 2 4.10 4.99 5.92 7.00 8.09 9.26 10.26 11.28 2 3 12.16 13.06 13.91 14.80 15.70 16.60 17.42 18.19 3 4 18.90 19.57 20.19 20.82 21.44 22.10 22.82 23.63 4 5 24.52 25.43 26.36 27.26 28.12 28.93 29.70 30.42 5 6 31.13 31.81 32.49 33.17 33.87 34.58 35.32 36.06 6 7 36.83 37.60 38.37 39.14 39.92 40.73 41.57 42.45 7 8 43.42 44.41 45.49 46.57 47.75 48.93 50.18 51.43 8 9 52.78 54.15 55.62 57.12 58.88 60.68 62.78 64.95 9 10 67.62 70.37 73.67 77.10 82.71 88.51 98.07 107.93 10 11 122.22 137.11 153.88 171.87 186.78 203.31 215.47 229.00 11 12 238.76 249.11 256.06 262.93 268.08 272.27 275.87 277.16 12 13 276.85 273.73 269.48 264.15 259.62 256.13 254.90 255.13 13 14 256.84 258.98 261.71 264.52 267.65 270.20 271.42 270.27 14 15 266.63 260.40 252.17 242.67 233.12 224.12 216.18 209.40 15 16 203.90 199.48 195.93 192.76 189.84 187.10 184.88 183.43 16 17 183.03 183.67 185.25 187.37 189.41 190.78 190.99 189.74 17 18 186.88 182.50 176.91 170.49 163.64 156.67 149.87 143.41 18 19 137.37 131.80 126.67 121.96 117.58 113.48 109.65 106.01 19 20 102.59 99.32 96.24 93.30 90.49 87.82 85.26 82.83 20 21 80.50 78.29 76.18 74.18 72.30 70.52 68.85 67.25 21 22 65.75 64.30 62.94 61.63 60.38 59.18 58.04 56.95 22 23 55.90 54.90 53.92 52.99 52.09 51.23 50.40 49.60 23 24 48.83 48.08 47.37 46.68 46.03 45.40 44.81 44.26 24 25 43.64 43.05 42.31 41.58 40.58 39.56 38.31 37.01 25 26 35.60 34.12 32.62 31.02 29.47 27.83 26.30 24.71 26 27 23.22 21.71 20.30 18.93 17.68 16.52 15.47 14.48 27 28 13.56 12.66 11.79 10.91 10.11 9.37 8.70 8.08 28 29 7.50 6.95 6.44 5.99 5.61 5.28 4.98 4.69 29 30 4.40 4.11 3.82 3.54 3.26 2.97 2.69 2.40 30 31 2.12 1.82 1.53 1.23 0.93 0.64 0.37 0.16 31 32 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 32 33 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 33 34 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 34 35 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 35 36 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 36