Table XLVI.—Mean low water level of the Nile—Assuân to Cairo.

Distance
from
Assuân
along
centre
of flood.		 Name of
Locality.		 R. L.
According
to
reservoir
levels.		 R. L.
According
to
inspectors
of
irrigation.		 Distance
from
Assuân
along
summer
Channel.
0 Assuân 85·0  85·0  0
70 Gebel Silsila 79·3  79·4  72
106 Edfu 76·7  77·0  ..
157 Esna 73·1  72·6  ..
194 Armant 70·1  69·6  ..
213 Luxor 69·0  68·5  ..
272 Kena 65·3  64·8  ..
320 Kasr-es-Saad 61·7  61·2  330
328 Heu 61·2  60·7  ..
333 Naga Hamadi 61·0  60·5  ..
365 Abu Shusha 58·6  58·1  ..
373 Balyana 58·3  57·8  ..
390 Girga 56·9  56·5  ..
429 Sohâg 53·8  53·2  ..
470 Khazindaria 49·9  49·4  489
505 Aboutig Escape 47·7  47·1  ..
530 Assiout[12] 45·55 45·05 552
598 Derut Escape 39·1  38·5  ..
627 Roda 36·3  35·7  ..
666 Minia 32·6  32·0  ..
710 Beni Mazâr 28·9  .. 748
.. Beni Suêf[13] 22·1  21·8  ..
800 Ashmant 20·5  20·2  842
.. Kushesha Escape 18·9  18·6  ..
.. El-Ayât 15·8  15·5  ..
898 Cairo gauge 12·10 12·25 ..
900 Cairo 12·00 12·1  948

[12] Downstream of the Assiout weir.

[13] The Beni Suêf gauge is unreliable in summer as it is on a branch of the river which is dammed by the villagers.

Table XLVII.—Discharge table of the Upper Egypt canals.

A low Nile flood is 6·4 metres   - at Assuân.
A mean Nile flood is 7·5 „
A high Nile flood is 8·3 „

The discharges of the Upper Egypt canals corresponding to the Assuân gauges are approximately as follows: —

Assuân 6·0 1300  
·1 1370
·2 1440
·3 1510
·4 1580 —Low Nile flood.
·5 1650  
·6 1620
·7 1790
·8 1860
·9 1930
7·0 2000
·1 2070
·2 2140
·3 2210
·4 2280
·5 2350 —Mean Nile flood.
·6 2420  
·7 2490
·8 2560
·9 2630
8·0 2700
·1 2770
·2 2840
·3 2910 —High Nile flood.
·4 2980  
·5 3050
·6 3120
·7 3190
·8 3260
·9 3330
9·0 3400
R. L. of zero in R. L. 85·00 metres.

Table XLVIII.—Canal discharges between Assuan and Assiut.

DISCHARGES OF THE CANALS IN UPPER EGYPT IN 1892.

Name of Canal. AUGUST SEPTEMBER
15 20 25 31 5 10 15 20 25 30
Ramadi 55 66 80 76 82 85 89 91 .. ..
Um-Ads 8 9 12 13 16 18 20 .. .. ..
Afsûn 25 29 37 39 42 43 45 .. .. ..
Fadilia 12 26 44 49 52 55 50 .. .. ..
Toukh 10 19 37 42 44 58 60 .. .. ..
Rannan 28 36 53 59 62 67 70 .. .. ..
Dumrania 26 35 56 62 65 70 74 .. .. ..
Rashwania 35 41 58 61 64 70 73 .. .. ..
Kasra 49 62 104 133 138 150 150 .. .. ..
Zarzria 24 30 64 76 77 90 90 .. .. ..
Girgawia 54 59 84 95 96 120 120 .. .. ..
Sohagia 380 386 470 485 492 520 500 .. .. ..
Tahta 44 45 66 75 77 82 85 .. .. ..
Shatura 25 24 39 47 49 45 40 .. .. ..
Ibrahimia 460 440 540 600 640 700 740 .. .. ..
Waladia 6 6 14 20 24 24 24 .. .. ..
Minor Canals 10 15 20 30 30 30 20 .. .. ..
Total left bank 1250 1320 1790 1980 2060 2250 2270 .. .. ..
Kilibia 6 11 17 20 24 28 32 .. .. ..
Maala 5 5 18 22 26 30 32 .. .. ..
Bayadiâ 30 36 62 69 77 85 90 .. .. ..
Shanhuria 46 55 98 108 116 120 125 .. .. ..
Shekhia 5 6 10 11 12 12 12 .. .. ..
Gilasi 19 30 58 64 68 70 72 .. .. ..
Samatha 12 19 41 48 52 60 60 .. .. ..
Tarif 10 15 20 25 25 25 25 .. .. ..
Hawis 15 22 38 41 44 51 56 .. .. ..
Ahaiwia 10 15 20 25 25 25 25 .. .. ..
Isaiwia 35 35 55 60 63 70 70 .. .. ..
Khizindaria 63 62 86 96 98 110 95 .. .. ..
Maanah 35 41 58 67 71 80 85 .. .. ..
Sant 6 7 8 10 10 12 12 .. .. ..
Minor Canals 4 8 12 15 15 15 15 .. .. ..
Total right bank 300 370 600 680 730 800 810 .. .. ..
Total both banks 1550 1690 2390 2660 2790 3050 3080 .. .. ..

Table XLVIII (continued).—Canal discharges between Assiout and Cairo.

DISCHARGES OF THE CANALS IN UPPER EGYPT IN 1892.

Name of Canal. AUGUST SEPTEMBER
15 20 25 31 5 10 15 20 25 30
Beni-Husain 13 16 20 30 35 40 .. .. .. ..
Abu-Bakra 53 38 60 80 85 93 .. .. .. ..
Sultani 18 10 20 37 38 40 .. .. .. ..
Nina 9 5 10 20 20 20 .. .. .. ..
Bahabshin 12 8 14 27 28 33 .. .. .. ..
Magnuna 15 15 22 40 45 45 .. .. .. ..
Kusheha 70 70 70 70 70 70 .. .. .. ..
Zawia 11 7 16 27 28 33 .. .. .. ..
Girza 40 38 70 95 100 100 .. .. .. ..
Zumr 13 12 14 19 20 19 .. .. .. ..
Minor Canals 2 2 4 4 4 4 .. .. .. ..
Total left bank 260 220 320 450 480 500 .. .. .. ..
Aly Bey 14 13 28 33 20 18 .. .. .. ..
Khassâb 19 14 25 35 40 46 .. .. .. ..
Minor Canals 7 6 12 12 14 14 .. .. .. ..
Total right bank 40 30 70 80 80 80 .. .. .. ..
Total both banks 300 250 390 530 560 580 .. .. .. ..
Canal discharges between Assuân and Cairo.
Left bank 1510 1540 2110 2430 2540 2750 .. .. .. ..
Right bank 340 400 670 760 810 880 .. .. .. ..
Total 1850 1940 2780 3190 3390 3630 .. .. .. ..
Assuân gauge 6.7 7.4 8.3 8.3 8.6 8.8 8.7 .. .. ..
Assiout gauge 6.1 5.9 6.8 7.2 7.4 7.7 8.1 .. .. ..
Cairo gauge 5.8 5.5 5.8 6.7 7.0 7.2 7.7 .. .. ..

Table XLIX.—Canal discharges between Assuan and Assiut.

DISCHARGES OF THE CANALS IN UPPER EGYPT IN 1893.

Name of Canal. AUGUST SEPTEMBER OCTOBER
15 20 25 31 5 10 15 20 25 30 5 10 15 25
Ramadi 50 56 58 56 55 60 64 61 64 61 .. .. .. ..
Um-Ads 10 12 12 12 13 14 15 15 15 15 .. .. .. ..
Asfun 28 33 34 33 31 33 35 33 34 33 .. .. .. ..
Fadilia 17 24 26 26 22 24 29 24 22 20 .. .. .. ..
Toukh 19 24 26 27 21 24 24 22 27 26 .. .. .. ..
Rannan 20 26 29 28 25 25 30 27 30 28 .. .. .. ..
Dumrania 33 39 44 43 39 41 46 43 46 44 .. .. .. ..
Rashwania 45 52 60 55 50 53 68 60 65 60 .. .. .. ..
Kasra 70 72 82 79 72 76 87 82 87 82 .. .. .. ..
Zarzuria 38 44 47 46 45 47 52 46 52 46 .. .. .. ..
Gergawia 55 55 59 58 56 56 62 57 62 57 .. .. .. ..
Sohagia 390 380 400 390 350 360 420 390 430 410 .. .. .. ..
Tahta 45 46 47 46 44 45 51 44 52 47 .. .. .. ..
Shatura 20 23 26 25 22 17 28 25 29 28 .. .. .. ..
Ibrahimia 520 520 560 560 540 540 600 580 600 600 .. .. .. ..
Waladia 10 11 12 12 11 11 11 12 12 12 .. .. .. ..
Minor Canals 10 15 20 20 20 20 20 20 20 20 .. .. .. ..
Total left bank 1380 1430 1550 1510 1420 1440 1640 1540 1650 1590 .. .. .. ..
Kilibia 11 13 15 14 14 15 17 16 16 16 .. .. .. ..
Maala 11 12 13 12 13 14 16 16 16 16 .. .. .. ..
Bayadia 36 44 48 46 40 45 52 44 42 30 .. .. .. ..
Shanhuria 56 64 69 63 62 64 70 50 40 30 .. .. .. ..
Shekhia 6 7 9 8 6 6 4 5 6 6 .. .. .. ..
Gilasi 24 32 34 32 29 30 35 31 34 33 .. .. .. ..
Samatha 17 24 27 25 22 24 28 25 27 26 .. .. .. ..
Tarif 12 14 16 15 14 15 17 16 17 16 .. .. .. ..
Hawis 24 27 29 29 27 27 29 27 25 16 .. .. .. ..
Ahaiwia 15 16 16 16 12 12 10 7 4 4 .. .. .. ..
Isawia 30 37 40 37 37 39 40 40 43 40 .. .. .. ..
Khazindaria 60 62 67 66 60 60 66 65 55 50 .. .. .. ..
Maanah 20 30 32 32 29 32 33 34 24 24 .. .. .. ..
Sant 6 6 9 8 7 7 7 7 7 7 .. .. .. ..
Minor Canals 4 7 10 10 10 10 10 10 10 10 .. .. .. ..
Total right bank 340 400 430 410 390 400 430 390 370 320 .. .. .. ..
Total both banks 1720 1830 1980 1920 1810 1840 2070 1930 2020 1910 .. .. .. ..

Table XLIX (continued).—Canal discharges between Assiout and Cairo.

DISCHARGES OF THE CANALS IN UPPER EGYPT IN 1893.

Name of Canal. AUGUST SEPTEMBER OCTOBER
15 20 25 31 5 10 15 20 25 30 5 10 15 20 25
Beni Husain 17 18 19 20 14 12 16 17 17 17 .. .. .. .. ..
Abu-Bakra 63 50 63 64 60 58 68 65 64 64 .. .. .. .. ..
Sultani 17 16 17 17 16 15 17 17 17 17 .. .. .. .. ..
Nina 9 8 9 10 10 9 9 9 9 9 .. .. .. .. ..
Bahabshin 11 9 11 12 12 10 12 11 13 14 .. .. .. .. ..
Magnuna 21 20 20 20 24 23 28 29 30 30 .. .. .. .. ..
Kushâska 70 70 50 30 0 0 0 0 0 0 .. .. .. .. ..
Zawia 11 8 13 12 13 12 13 15 16 17 .. .. .. .. ..
Girza 50 45 50 55 60 60 50 50 40 30 .. .. .. .. ..
Zumr 10 10 10 10 6 6 7 12 14 15 .. .. .. .. ..
Minor Canals 2 2 2 2 2 2 2 2 2 2 .. .. .. .. ..
Total left bank 280 260 260 250 220 210 220 220 220 220 .. .. .. .. ..
Ali bey 16 20 27 28 15 12 15 17 20 20 .. .. .. .. ..
Khassab 20 20 20 22 19 15 19 15 15 18 .. .. .. .. ..
Minor Canals 6 6 6 6 7 7 7 7 7 7 .. .. .. .. ..
Total right bank 40 50 50 60 40 30 40 40 40 50 .. .. .. .. ..
Total both banks 320 310 310 310 260 240 260 260 260 270 .. .. .. .. ..
Canal discharges between Assuan and Cairo.
Left bank 1660 1690 1810 1760 1640 1650 1960 1760 1870 1810 .. .. .. .. ..
Right bank 380 450 480 470 430 430 470 430 410 370 .. .. .. .. ..
Total 2040 2140 2290 2230 2070 2080 2330 2190 2280 2180 .. .. .. .. ..
Assuân gauge 7.0 7.3 7.4 7.3 7.2 7.5 7.6 7.4 7.1 7.3 7.1 7.3 6.9 6.3 6.0
Assiout gauge 6.2 6.2 6.4 6.3 6.2 6.3 6.5 6.5 6.6 6.6 6.4 6.5 6.7 6.7 ..
Cairo gauge 5.8 5.6 5.9 6.0 6.0 5.8 6.0 6.0 6.1 6.3 6.2 6.1 6.4 6.5 2.7

Table L.—Calculated Cairo gauges corresponding to Assuân gauges if basin irrigation were to be changed into perennial irrigation.

1874.
Date at
Assuân.		 Gauges
at
Assuân.		 Discharges
at
Assuân.		 Water
con-
sumption
Assuân
to
Cairo.		 Trough
of Nile
Assuân
to
Cairo.		 Discharge
at Cairo.		 Gauges
at
Cairo.		 Date at
Cairo.
August 5 6·9 7600 -1020 -1000 5580 5·8 10th August.
„ 10 7·4 8600 do do 6580 6·4 15th „
„ 15 8·5 11500 do do 9480 7·8 20th „
„ 20 8·6 11800 do do 9780 7·9 25th „
„ 25 8·7 12100 do do 10080 8·1 31st „
„ 31 8·7 12100 do do 10080 8·2 5th September.
September 5 9·0 12800 do do 10780 8·3 10th „
„ 10 8·8 11800 do 0 10780 8·4 15th „
„ 15 8·7 11500 do +500 10980 8·5 20th „
„ 20 8·4 10600 do do 10080 8·2 25th „
„ 25 8·4 10600 do do 10080 8·2 30th „
„ 30 8·2 10050 do do 9430 7·9 5th October.
October 5 7·9 9300 do do 8780 7·6 10th „
„ 10 7·6 8600 do +700 8280 7·4 15th „
„ 15 7·2 7800 do do 7480 7·0 20th „
„ 20 6·6 6600 do do 6280 6·3 25th „
„ 25 6·2 6000 do do 5680 5·9 31st „
„ 31 5·6 5100 do do 4780 5·3 5th November.
November 5 5·2 4500 do do 4780 4·3 10th „

Table LI.—Calculated Cairo gauges corresponding to Assuân gauges if basin irrigation were to be changed into perennial irrigation.

1877
Date at
Assuân.		 Gauges
at
Assuân.		 Discharges
at
Assuân.		 Water
con-
sumption
Assuân
to
Cairo.		 Trough
of Nile
Assuân
to
Cairo.		 Discharge
at Cairo.		 Gauges
at
Cairo.		 Date at
Cairo.
August 5 4·8 4200 - 800 -300 3100 3·9 10th August.
„ 10 5·4 5100 -1020 do 3780 4·6 15th „
„ 15 5·8 5700 do do 4380 5·0 20th „
„ 20 6·4 6500 do do 5180 5·5 25th „
„ 25 6·1 5800 do do 4480 5·1 31st „
„ 31 6·2 6000 do do 4680 5·2 5th September.
September 5 6·3 6200 do do 4880 5·3 10th „
„ 10 6·1 5800 do +200 4980 5·5 15th „
„ 15 6·1 5700 do do 4880 5·4 20th „
„ 20 6·0 5700 do do 4880 5·4 25th „
„ 25 6·3 6200 do do 5380 5·6 30th „
„ 30 6·1 5800 do do 4980 5·4 5th October.
October 5 5·6 5100 do do 4280 5·0 10th „
„ 10 5·2 4500 do do 3680 4·6 15th „
„ 15 4·9 4200 -950 do 3450 4·4 20th „
„ 20 4·6 3800 -900 do 3100 4·0 25th „
„ 25 4·5 3600 -850 do 2950 3·9 31st „
„ 31 4·0 3100 -800 do 2500 3·5 5th November.
November 5 3·7 2800 -700 do 2300 3·3 10th „

Table LII.—Calculated Cairo gauges corresponding to Assuân gauges if basin irrigation were to be changed into perennial irrigation.

1878
Date at
Assuân.		 Gauges
at
Assuân.		 Discharges
at
Assuân.		 Water
con-
sumption
Assuân
to
Cairo.		 Trough
of Nile
Assuân
to
Cairo.		 Discharge
at Cairo.		 Gauges
at
Cairo.		 Date at
Cairo.
August 5 5·6 5400 -1020 -800 3580 4·4 10th August.
„ 10 5·3 6500 do do 4680 5·2 15th „
„ 15 7·2 8200 do do 6380 6·3 20th „
„ 20 7·5 8600 do do 6780 6·5 25th „
„ 25 8·1 10000 do do 8180 7·3 31st „
„ 31 7·6 8800 do +800 8580 7·5 5th September.
September 5 8·1 10300 do -600 8580 7·5 10th „
„ 10 8·5 11500 do do 9880 8·0 15th „
„ 15 8·9 12800 do do 11180 8·5 20th „
„ 20 8·9 12500 do do 10880 8·4 25th „
„ 25 9·0 12800 do do 11180 8·5 30th „
„ 30 9·1 13200 do do 11580 8·6 5th October.
October 5 8·9 12100 do +400 11480 8·6 10th „
„ 10 8·5 10900 do +800 10680 8·4 15th „
„ 15 7·9 9300 do do 9080 8·0 20th „
„ 20 7·6 8600 do do 3380 7·4 25th „
„ 25 7·4 8200 do do 7980 7·2 31st „
„ 31 6·8 7000 do do 6780 6·6 5th November.
November 5 6·3 6200 do do 5980 6·1 10th „