— 52 — 
Years 
A. D. 
Highest maximum 
Lowest maximum 
N° of 
years 
recorded. 
Remarks. 
xa 
o 
£ 
Kirats. 
Metres 
E. L. 
Metres 
referred 
to zero at 
e.l. 12 25 
w 
o 
£ 
Kirats. 
Metres 
E. L. 
Metres 
referred 
to zero at 
e.l. 12-25 
1551-1575 
1576-1600 
26 
. . 
21*13 
8*88 
18 
8 
17*98 
5*73 
11 years 
Max. year 1587 
1601-1625 
24 
5 
20*16 
7*91 
17 
23 
17*88 
5*63 
19 „ 
„ 1602 
1626-1650 
19 
18*16 
5*91 
15 
16*81 
4*56 
3 „ 
1651-1675 
22 
. . 
18-97 
6*72 
. . 
. . 
. . 
. . 
1 „ 
Max. year 1669 
1676-1700 
24 
• • 
20*05 
7*80 
22 
# # 
18*97 
6*72 
3 „ 
„ 1697 
1701-1725 
23 
4 
19*60 
7-35 
16 
17*35 
5*10 
18 „ 
1726-1750 
24 
12 
20*32 
8-07 
20 
14 
18*58 
6*33 
24 „ 
Max. year 1738 
1751-1775 
24 
12 
20*32 
8*07 
18 
17 
18*08 
5*83 
25 „ 
„ 1756 
1776-1800 
24 
• • 
20*05 
7*80 
12 
12 
15*49 
3*24 
25 „ 
„ 1779 
1801-1825 
22 
* • 
18*97 
6*72 
08 
• • 
13*14 
0*89 
3 * 
Min. year 1809 
1826-1850 
24 
9 
20*26 
8*01 
18 
23 
18*15 
5*90 
25 „ 
Max. year 1850 
1851-1875 
26 
12 
21*40 
9*15 
19 
13 
18*30 
6*05 
25 „ 
„ 1874 
1876-1900 
26 
6 
21*27 
9*02 
17 
3 
17*65 
5*40 
25 „ 
„ 1878 
1901-1904 
•• 
19*18 
6*93 
18*02 
5*97 
4 „ 
Min. year 1877 
(!) There is an error here in the records. 
At Assuan the Nile has a mean range of 7.90 metres between high 
and low supply, with a maximum of 9.80 metres and a minimum of 
6.40 metres. The high supply varies between 13,200 and 6,500 cubic 
metres per second, with a mean of 10,000 cubic metres per second, 
while the low supply varies between 350 and 1400 cubic metres per 
second with a mean of 590 cubic metres per second. September is 
generally the highest month and May the lowest. The mean low 
water level is R. L. 85.00. 
At Cairo the Nile has a mean range of 7.00 metres with a maximum 
of 9.6 metres and a minimum of 5.3 metres. The high supply varies 
between 12,000 and 4,800 cubic metres per second with a mean of 
7,600 cubic metres per second, while the low supply varies between 
