— 164 — 
Appendix K. {continued). 
Table L. — Calculated Cairo gauges corresponding to Assuan gauges if basin 
irrigation were to be changed into perennial irrigation. 
1874 . 
Date at Assuan. 
Gauges 
at 
Assuan. 
Discharges 
at 
Assuan. 
Water 
consumption 
Assuan 
to Cairo 
Trough 
of Nile 
Assuan 
to Cairo. 
Discharge 
at 
Cairo. 
Gauges 
at 
Cairo. 
Date at Cairo. 
August . . 
5 
6*9 
7600 
-1020 
-1000 
5580 
5*8 
10th August. 
55 
10 
7-4 
8600 
do 
do 
6580 
6*4 
15th 
55 
55 
15 
8*5 
11500 
do 
do 
9480 
7*8 
20th 
55 
55 
20 
8*6 
11800 
do 
do 
9780 
7*9 
25th 
55 
55 
25 
8*7 
12100 
do 
do 
10080 
8*1 
3.1st 
55 
55 
31 
8*7 
12100 
do 
do 
10080 
8*2 
5th September. 
September 
5 
9-0 
12800 
do 
do 
10780 
8*3 
10th 
55 
55 
10 
8-8 
11800 
do 
0 
10780 
8*4 
15th 
55 
55 
15 
8*7 
11500 
do 
+ 500 
10980 
8*5 
20th 
55 
55 
20 
8*4 
10600 
do 
do 
10080 
8*2 
25th 
55 
55 
25 
8*4 
10600 
do 
do 
10080 
8*2 
30th 
55 
55 
30 
8*2 
10050 
do 
do 
9430 
7*9 
5th October. 
October . . 
5 
7*9 
9300 
do 
do 
8780 
7*6 
10th 
55 
55 
10 
7*6 
8600 
do 
+ 700 
8280 
7*4 
15th 
55 
55 
15 
7*2 
7800 
do 
do 
7480 
7*0 
20th 
55 
55 
20 
6*6 
6600 
do 
do 
6280 
6*3 
25th 
55 
55 
25 
6*2 
6000 
do 
do 
5680 
5*9 
31st 
55 
55 
31 
5*6 
5100 
do 
do 
4780 
5*3 
5th November. 
Novembe.. 
5 
5*2 
4500 
do 
do 
4780 
4*3 
10th 
55 
