Flood hydrograph, 2-yr return period, upstream of the project, in m3/sec, at intervals of 7.5 min. 1 0.06 0.12 0.30 0.49 0.89 1.29 1.87 2.45 1 2 3.09 3.74 4.36 5.01 5.67 6.51 7.38 8.25 2 3 9.01 9.76 10.40 11.02 11.62 12.22 12.80 13.39 3 4 14.04 14.77 15.54 16.35 17.15 17.94 18.67 19.35 4 5 19.97 20.54 21.08 21.59 22.08 22.56 23.06 23.55 5 6 24.05 24.54 25.06 25.56 26.08 26.60 27.14 27.70 6 7 28.30 28.94 29.62 30.33 31.07 31.82 32.58 33.34 7 8 34.12 34.90 35.69 36.47 37.30 38.14 39.03 39.94 8 9 40.94 41.97 43.08 44.22 45.56 46.93 48.53 50.19 9 10 52.27 54.44 57.07 59.84 64.33 68.99 76.49 84.22 10 11 95.30 106.75 119.51 133.53 146.18 161.12 173.39 186.85 11 12 197.10 206.35 210.70 212.85 212.25 210.34 208.90 208.40 12 13 210.40 213.52 218.11 222.58 227.07 231.55 237.06 241.89 13 14 244.82 245.03 242.67 237.21 229.15 219.79 210.63 202.13 14 15 194.60 188.33 183.57 179.96 177.17 174.66 172.05 169.42 15 16 167.32 166.08 165.89 166.86 169.08 171.91 174.63 176.56 16 17 177.35 176.50 173.84 169.52 163.95 157.52 150.62 143.65 17 18 136.91 130.51 124.58 119.15 114.23 109.70 105.50 101.60 18 19 97.96 94.50 91.19 88.05 85.06 82.20 79.47 76.86 19 20 74.42 72.08 69.87 67.79 65.84 64.01 62.27 60.65 20 21 59.12 57.66 56.25 54.91 53.62 52.38 51.19 50.04 21 22 48.96 47.93 46.97 46.05 45.19 44.36 43.57 42.82 22 23 42.10 41.40 40.71 40.03 39.38 38.74 38.13 37.55 23 24 37.01 36.52 36.06 35.64 35.25 34.88 34.51 34.15 24 25 33.72 33.29 32.73 32.17 31.41 30.64 29.70 28.73 25 26 27.65 26.50 25.33 24.10 22.92 21.71 20.66 19.64 26 27 18.73 17.85 17.04 16.23 15.41 14.57 13.76 12.96 27 28 12.18 11.41 10.66 9.93 9.25 8.66 8.18 7.78 28 29 7.42 7.05 6.67 6.29 5.93 5.57 5.19 4.81 29 30 4.44 4.07 3.69 3.31 2.92 2.52 2.11 1.72 30 31 1.35 1.01 0.70 0.44 0.24 0.09 0.01 0.00 31 32 0.00 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