— 142 — 
Appendix I. 
Table XXVI . — Table of mean monthly Discharges at Khartoum , Assuan and 
Cairo , for the maximum , minimum and mean years : 
Month 
1877-78 
Minimum Yeae 
1878-79 
Maximum Yeae 
Mean op 20 Yeaes 
Blue 
'Nile at 
Khar- 
toum. 
Assu&n. 
Cairo. 
Blue 
Nile at 
Khar- 
toum. 
Assuan. 
Cairo. 
Blue 
Nile at 
Khar- 
toum. 
Assuan. 
Cairo. 
June .. 
1000 
800 
600 
1000 
500 
250 
1000 
750 
500 
July .. .. 
2800 
2400 
1100 
3500 
2000 
900 
2800 
2200 
1100 
August . 
5300 
5600 
3900 
8200 
7900 
5200 
7000 
7900 
5300 
September . . 
4700 
5900 
4400 
12500 
12100 
8600 
8500 
9200 
7200 
October 
2500 
4000 
3900 
8000 
9300 
10300 
4500 
6000 
6900 
November . . 
2400 
2550 
4700 
6500 
3300 
3700 
December . . 
1500 
1600 
3200 
3600 
2200 
2300 
January 
1200 
1300 
2400 
2600 
1600 
1600 
February . . 
800 
800 
2100 
2100 
1200 
1200 
March . . 
600 
550 
1900 
1900 
850 
800 
April 
500 
400 
1600 
1600 
700 
620 
May . . 
400 
300 
1500 
1500 
600 
520 
Mean . . 
2175 
1783 
4100 
3754 
3041 
2645 
Note.— The very high discharges at Assuan and Cairo in April and May 1879 ; the minimum 
discharge of that year was about 1500 cubic metres per second. There has never been any 
discharge like that since. 
