Discharge Table of the Wady Halfa Gauge, for use at Assuân when the Assuân Dam is being regulated on, and consequently the Assuân Gauge no longer represents the normal discharge of the Nile. At this stage of the river it may be assumed that the water travels normally between Wady Halfa and Assuân in 3 or 4 days. ======+============ | Discharge Gauge.|cubic metres | per second. ------+------------ 0·8 | 370 1·0 | 440 ·2 | 516 ·4 | 592 ·6 | 688 ·8 | 804 ------+------------ 2·0 | 920 ·2 | 1048 ·4 | 1176 ·6 | 1314 ·8 | 1462 3·0 | 1610 ------+------------ 3·2 | 1800 ·4 | 1990 ·6 | 2180 ·8 | 2370 ------+------------ 4·0 | 2560 ·2 | 2802 ·4 | 3044 ·6 | 3286 ·8 | 3528 5·0 | 3770 ======+============ TABLE XXXIX.--_Discharge of the Rosetta Branch of the Nile referred to the Delta Barrage north of Cairo._ 1890 ======+============== Gauge.| Discharge |m³ per second. ------+-------------- 0·00 | 0 ·25 | 50 ·50 | 100 ·75 | 150 ------+-------------- 1·00 | 200 ·25 | 287 ·50 | 375 ·75 | 463 ------+-------------- 2·00 | 550 ·25 | 700 ·50 | 850 ·75 | 1000 ------+-------------- 3·00 | 1150 ·25 | 1312 ·50 | 1475 ·75 | 1638 ------+-------------- 4·00 | 1800 ·25 | 1975 ·50 | 2150 ·75 | 2325 ------+-------------- 5·00 | 2500 ·25 | 2700 ·50 | 2900 ·75 | 3100 ------+-------------- 6·00 | 3300 ·25 | 3525 ·50 | 3750 ·75 | 3975 ------+-------------- 7·00 | 4200 ·25 | 4450 ·50 | 4700 ·75 | 4950 ------+-------------- 8·00 | 5200 ·25 | 5475 ·50 | 5750 ·75 | 6025 ------+-------------- 9·00 | 6300 ======+============== Zero of the gauge R. L. 10·00 metres above mean sea. TABLE XL.--_Discharge of the Damietta Branch of the Nile referred to the Delta Barrage north of Cairo._