======+===========+=================================================== Gauge.| Discharge | Remarks. | in m³ | |per second.| ------+-----------+--------------------------------------------------- 0·0 | 330 |This gauge is in backwater when the Blue Nile is ·1 | 354 |high. ·2 | 370 | ·3 | 402 | ·4 | 426 | ·5 | 450 | ------+-----------+ ·6 | 480 | ·7 | 515 | ·8 | 555 | ·9 | 600 | 1·0 | 650 | ======+===========+=================================================== This table is only very approximative. TABLE XXXIV.--_Discharge table of the Blue Nile at Wad Medani._ ======+=================== Gauge.| DISCHARGE | IN M³ PER SECOND +-------+----------- | River | River |rising.| Falling | | and | |Stationary. ------+-------+----------- 0·0 | 50 | 50 ·2 | 80 | 64 ·4 | 110 | 78 ·6 | 140 | 92 ·8 | 170 | 106 1·0 | 200 | 120 ·2 | 240 | 146 ·4 | 280 | 172 ·6 | 320 | 198 ·8 | 360 | 224 2·0 | 400 | 250 ·2 | 450 | 284 ·4 | 500 | 318 ·6 | 550 | 352 ·8 | 600 | 380 3·0 | 650 | 420 ·2 | 720 | 406 ·4 | 790 | 512 ·6 | 860 | 558 ·8 | 930 | 604 4·0 | 1000 | 650 ·2 | 1100 | 720 ·4 | 1200 | 790 ·6 | 1300 | 860 ·8 | 1400 | 930 5·0 | 1500 | 1000 ·2 | 1630 | 1100 ·4 | 1760 | 1200 ·6 | 1890 | 1300 ·8 | 2020 | 1400 6·0 | 2150 | 1500 ·2 | 2320 | 1620 ·4 | 2490 | 1740 ·6 | 2600 | 1800 ·8 | 2830 | 1980 7·0 | 3000 | 2100 ·2 | 3200 | 2340 ·4 | 3400 | 2580 ·6 | 3600 | 2820 ·8 | 3800 | 3060 8·0 | 4000 | 3300 ·2 | 4300 | 3540 ·4 | 4600 | 3780 ·6 | 4900 | 4020 ·8 | 5200 | 4200 9·0 | 5500 | 4500 ·2 | 5900 | 4840 ·4 | 6300 | 5180 ·6 | 6700 | 5520 ·8 | 7100 | 5860 10·0 | 7500 | 6200 ·2 | 8000 | 6580 ·4 | 8500 | 6960 ·6 | 9000 | 7340 ·8 | 9500 | 7720 11·0 | 10000 | 8100 ·2 | 10600 | 8540 ·4 | 11200 | 8980 ·6 | 11800 | 9420 ·8 | 12400 | 9800 12·0 | 13000 | 10300 ------+-------+----------- (1) These discharges include the Rahad river. They represent the discharges below the Rahad river junction referred to the Wad Medani gauge. (2) During a high flood the river scours, and it silts during a low flood; consequently for exact discharges below 5 metres, the section of the river should be taken annually in December.