The Nile in 1904

by Sir William Willcocks

Appendix F.

Table XIII.—Observed discharges of the Victoria Nile referred to the Jinja gauge on Lake Victoria.

1903

Date of Discharge.	Locality where taken.	Gauge at Jinja			Discharge in metres³ per second.
		Day of discharge.	10 days before discharge.	15 days before discharge.
22 January	Ripon Falls	·51	..	..	548
20 March	Below the Murchison Falls	..	·66	·70	577

Table XIV.—Observed discharges of the Albert Nile at Wadelai referred to the Wadelai gauge.

1903

Date of Discharge.	Gauge.	Discharge in metres³ per second.	Remarks.
22 March	·52	646

Table XV.—Observed discharges of the Albert Nile referred to the Mongalla gauge.

1903
Locality.	Kilo- metres from Gondo- koro.	Date.	Mongalla gauge (32 kilom. north of Gondokoro)							Discharge m³ per second.
			5 days before.	4 days before.	3 days before.	2 days before.	1 day before.	day of dis- charge.	1 day after.
Gondokoro	0	1 April	..	..	..	..	..	0·83	0·83	[9]693
	..	9 September	2·73	2·85	2·90	3·02	3·16	3·14	3·08	[10]1985
Mongalla	32	14 September	3·14	3·08	2·90	2·84	2·82	2·82	2·82	2046
Derwish Dem	156	16 September	2·90	2·84	2·82	2·82	2·82	2·84	2·92	888
North of Gaba-Shamba	415	18 September	2·82	2·82	2·82	2·84	2·92	3·06	3·12	532
Hillet Nur	538	1 September	2·52	2·52	?	?	?	2·52	2·45	375
Hillet Nur	542	13 April	0·87	0·89	0·90	0·90	0·87	0·88	0·88	331
South of Lake No	741	14 April	0·89	0·90	0·90	0·87	0·88	0·88	0·89	285
South of Lake No	742	31 August	2·49	2·52	2·52	?	?	?	2·52	318
1904
Gondokoro	..	14 May	1·89	1·89	1·96	2·03	2·10	2·03	2·07	1138
Bôr	165	12 May	1·89	1·89	1·89	1·89	1·96	2·03	2·10	813
South of Lake No	742	22 May	2·03	2·03	2·03	2·07	2·07	2·17	2·17	302

[9] 641 + 52 for side channel.

[10] 1847 + 138 for side channel.

Table XVI.—Observed discharges of the Bahr El Gazelle referred to the Tewfikia gauge on the White Nile.

Date of discharge.	Gauge				Discharges m³ per second.	Remarks.
	Day.	1 day after.	2 days after.	3 days after.
21 September	3·31	3·33	3·35	3·36	20
30 August	2·74	2·75	2·76	2·77	12

Table XVII.—Observed discharges of the Bahr El Zeraf referred to the Tewfikia gauge on the White Nile.

1903
Date of discharge.	Gauge			Discharge m³ per second.	Remarks.
	1 day before.	Day.	1 day after.
16 April	0·24	0·24	0·24	50
22 September	3·31	3·33	3·35	158
8 May	0·25	0·26	0·26	61
29 August	2·68	2·70	2·72	110	App. gauge
1904
23 May	1·35	1·38	1·40	124

Table XVIII.—Observed discharges of the Albert Nile above the Sobat junction referred to the Tewfikia gauge.

1903
Date of discharge.	Gauge			Discharge m³ per second.
	1 day before.	day.	1 day after.
16 April	·24	·24	·24	349
22 September	3·31	3·33	3·35	450

Table XIX.—Observed discharges of the Sobat River referred to the Dulaib Hilla gauge.

1903
17 April	..	·10	..	45
26 August	2·70	2·71	2·74	769
26 September	3·16	3·17	3·19	895

Table XX.—Observed discharges of the White Nile just below the Sobat junction referred to the Tewfikia gauge.

1903
17 April	·24	·24	·24	381
26 August	2·64	2·65	2·66	1046
26 September	3·37	3·38	3·40	1304

Table XXI.—Observed discharges of the White Nile at Duem referred to the Duem and Khartoum gauges.

Date.	Duem Gauge - Gauge.	Khartoum Gauges				Dis- charge cubic metres per second.
		3 days before.	2 days before.	day before.	day of dis- charge.
1902
May 13	·51	-·06	-·07	-·04	-·04	347
June 11	·95	·76	·75	·77	·84	650
July 8	1·42	1·70	1·70	1·85	2·03	788
August 5	2·20	3·52	3·62	3·71	3·79	867
September 2	3·48	5·30	5·30	5·20	5·20	330
October 1	3·50	5·03	5·06	5·16	5·14	870
October 28	2·50	3·35	3·30	3·23	3·16	802
December 1	2·00	2·11	2·10	2·08	2·06	930
December 29	2·04	1·54	1·50	1·48	1·45	1518
1903
January 27	1·12	0·90	0·87	0·84	0·83	663
February 24	0·86	0·36	0·32	0·29	0·28	462
March 24	0·46	0·02	0·01	0·01	0·02	559
April 21	0·38	-0·14	-0·12	-0·12	-0·16	415
May 19	0·38	-0·26	-0·23	-0·21	-0·19	447
June 16	1·09	1·41	1·56	1·65	1·75	658
July  1	1·31	1·61	1·54	1·54	1·54	884
„14	1·71	2·55	2·58	2·75	2·80	835
August  4	2·46	3·50	3·80	4·05	4·40	768
„ 11	3·28	4·95	5·06	5·06	5·10	579
„ 18	3·70	5·55	5·70	5·80	5·70	534
„ 23	4·08	5·80	5·90	5·95	6·00	654
„ 28	4·18	6·03	6·08	6·00	6·05	710
September  2	4·33	6·15	6·28	6·24	6·30	571
„ 7	4·43	6·20	6·20	6·15	6·12	737
„12	4·46	6·24	6·14	6·15	6·05	653
„18	4·40	5·86	5·95	5·88	5·88	840
„24	4·28	5·95	6·00	6·10	6·10	763
October 7	3·93	5·57	5·40	5·32	5·10	1588
November  3	3·11	3·90	3·85	3·75	3·65	1563
„ 24	2·44	2·65	2·63	2·63	2·60	1665
December  8	2·06	2·30	2·28	2·20	2·15	1462
„ 22	1·80	1·90	1·90	1·88	1·88	1403
1904
January  6	1·66	1·78	1·78	1·78	1·75	1508
„ 20	1·54	1·48	1·48	1·48	1·55	1466

Table XXII.—Observed discharges of the Blue Nile at Khartoum referred to the Wad-Medani and Khartoum gauges.

1902
Date of Discharge.	WAD MEDANI GAUGES			Discharge m³ per second.	Khartoum gauges.	Remarks.
	2 days before.	1 day before.	Date of dis- charge.
9 May	·39	·39	·37	184	-0·05
23 „	·71	·61	·65	194	0·16
6 June	2·07	2·03	1·97	604	0·76
20 „	2·97	3·27	3·39	695	1·06
27 „	3·04	3·89	4·29	837	1·30
4 July	3·80	3·70	3·80	1032	1·75
11 „	4·56	4·38	4·48	1453	2·07
18 „	4·80	5·10	5·20	1612	2·33
25 „	5·70	5·66	5·76	1885	2·64
1 August	7·06	7·28	7·56	3420	3·34
8 „	8·56	8·76	8·86	4880	4·20
15 „	9·14	9·02	8·96	4720	4·50
22 „	10·08	10·00	9·66	5540	4·93
29 „	10·46	10·52	10·32	7180	5·34
5 September	10·42	10·32	10·30	6580	5·27
12 „	10·40	10·28	10·60	5800	5·35
19 „	10·32	10·00	10·30	5760	5·30
26 „	10·00	10·10	9·90	4800	5·10
3 October	9·94	9·88	9·70	4880	5·03
10 „	8·40	8·20	8·00	3250	3·45
17 „	7·38	7·48	7·40	2460	3·73
24 „	6·94	6·88	6·78	2030	3·40
31 „	6·18	6·14	6·04	1244	3·00
7 November	5·66	5·60	5·50	1272	2·77
14 „	5·10	5·06	5·00	1035	2·48
21 „	4·74	4·74	4·70	802	2·23
28 „	4·56	4·54	4·46	787	2·11
5 December	4·08	4·04	4·00	654	1·94
12 „	3·73	3·74	3·66	486	1·80
23 „	3·43	3·32	3·26	476	1·58
1903
2 January	2·90	2·88	2·84	348	1·39
9 „	2·64	2·60	2·58	270	1·22
16 „	2·48	2·46	2·44	248	1·09
23 „	2·34	2·32	2·30	250	0·94
6 February	2·06	2·04	2·04	226	0·60
20 „	1·86	1·84	1·84	152	0·39
6 March	1·60	1·60	1·58	202	0·18
20 „	1·36	1·34	1·34	201	0·04
3 April	1·24	1·20	1·20	132	0̅·12
17 „	1·08	1·04	1·04	154	0̅·16
1 May	0·98	0·98	0·96	121	0̅·16
8 „	0·88	0·88	0·90	Nil	0̅·23
15 „	0·88	0·92	0·98	„	0̅·26
22 „	1·40	1·66	1·70	„	0̅·09
28 „	2·74	1·51	3·43	374	0·53
6 June	4·05	3·61	3·65	970	1·40
19 „	4·70	4·62	4·52	1500	1·90
26 „	4·25	4·51	4·31	1089	1·58
3 July	4·71	5·27	5·61	1314	1·78
10 „	6·45	6·55	6·67	1952	2·48
17 „	6·74	6·57	6·91	2267	2·75
24 „	7·97	7·81	7·87	3183	3·40
31 „	7·77	7·67	7·70	2870	3·45
5 August	9·81	10·11	10·11	7584	4·60
10„	10·15	9·99	9·89	7100	5·06
14„	10·59	10·71	10·57	9340	5·65
21„	10·49	10·73	10·71	9519	5·90
28„	10·47	10·41	10·61	9544	?
4 September	10·68	10·44	10·40	8474	6·20
11„	10·74	10·52	10·46	8385	6·15
18„	9·94	9·92	9·96	7070	5·88
25„	10·52	10·46	10·32	8965	6·08
2 October	9·22	9·48	9·36	6581	5·53
9„	9·14	9·04	8·64	5749	5·15
16„	7·97	7·94	8·07	3812	4·45
23„	8·90	8·64	8·54	4198	4·56
30„	7·53	7·33	7·29	2893	4·00
6 November	6·86	6·68	6·32	2275	3·50
13„	6·00	5·90	5·70	1790	3·10
20„	5·71	5·65	5·55	1456	2·65
4 December	4·90	4·88	4·84	1102	2·35
18„	4·36	4·30	4·28	789	1·90
25„	3·90	3·88	3·84	722	1·88
1904
1 January	3·60	3·66	3·64	604	1·80
15„	3·40	3·38	3·36	488	1·59

Table XXIII.—Observed discharges of the Atbara referred to the Khasm El Girba gauge.

1903
Date of Discharge.	Gauges						Dis- charge m³ per second.	Remarks
	5 days before.	4 days before.	3 days before.	2 days before.	1 day before.	Date of dis- charge.
16 July	2·65	2·31	2·10	2·10	2·65	2·28	381
23 „	2·37	2·55	2·74	2·83	2·70	2·70	538
27 „	2·70	2·70	3·00	2·62	2·53	2·60	780
2 August	2·76	2·80	3·29	3·54	4·21	4·00	758
5„	3·54	4·21	4·00	3·56	3·25	3·35	1448
14„	3·29	3·72	4·61	4·37	4·53	4·60	2318
15„	3·72	4·61	4·37	4·53	4·60	4·85	2931
27„	5·12	4·82	4·54	4·35	4·20	4·80	2632
30„	4·35	4·20	4·80	4·55	4·55	4·75	3088
5 September	4·45	4·52	4·52	4·60	4·70	4·55	2822
12„	4·58	4·50	4·15	4·30	3·89	3·95	2091
18„	3·80	3·84	3·71	3·88	4·36	4·20	1672
25„	4·12	3·80	4·45	3·30	3·25	3·10	1267
28„	3·30	3·25	3·10	2·89	3·42	3·10	902
2 October	3·42	3·10	3·13	3·05	2·88	2·78	925
4„	3·13	3·05	2·88	2·78	2·78	2·90	754
5„	3·05	2·88	2·78	2·78	2·90	2·75	703

---

Appendix G.
TABLES GIVING MEAN MONTHLY DISCHARGES OF THE NILE AND ITS TRIBUTARIES DURING 1902, 1903 AND 1904.

TABLE XXIV.—Mean discharges of the Nile tributaries in cubic metres per second at the various gauge stations in 1902, 1903, 1904.

1902
Month.	Victoria Nile at Ripon Falls.	Albert Nile			Gazelle river app.	Sobat river.	White Nile at Tewfikia.	White Nile at Khartoum.	Blue Nile at Khartoum.	Atbara river.	Total for: White, Blue and Atbara rivers.	Nile at: Halfa = 1st Jan.- 1st July. Assuân= 1st July- 1st Jan.	Rosetta branch.	Damietta branch.
		Wadelai.	Gondo- koro.	Above Sobat junction.
January	510	620	660	..	..	..	..	950	280	0	1230	1100	1000	20
February	510	580	640	..	..	..	..	550	240	0	790	720	290	40
March	500	570	660	..	..	..	..	420	190	0	610	600	40	40
April	530	540	550	..	..	..	..	370	190	0	560	530	0	0
May	560	560	630	..	..	..	..	350	180	0	530	510	0	0
June	550	550	550	..	..	..	..	600	600	50	1250	550	0	0
July	530	560	600	..	..	..	..	900	1500	500	2900	1100	0	0
August	520	580	1000	340	..	570	910	[11]600	5000	1200	6300	3600	800	400
September	510	610	820	420	..	810	1230	[11]600	6200	1200	8000	6600	2600	400
October	490	640	780	..	..	..	..	900	2800	80	3780	4950	2500	1300
November	500	710	900	..	..	..	..	850	1000	0	1850	2400	1400	700
December	490	740	860	..	..	..	..	1202	500	0	1700	1700	1600	140
Year	520	600	720	..	..	..	..	690	1560	250	2500	2030	850	340
1903
January	530	710	760	400	0	600	1000	1000	300	0	1300	1300	1300	20
February	610	680	740	370	0	230	600	600	240	0	840	880	500	20
March	630	660	700	350	0	130	480	500	180	0	680	620	100	30
April	650	640	700	360	0	40	400	420	120	0	540	480	0	0
May	740	670	900	390	0	100	490	420	280	0	700	440	0	0
June	800	710	1020	400	0	320	720	600	1200	200	2000	630	0	0
July	840	760	1100	410	10	410	820	[11]700	2500	600	3800	1400	0	150
August	790	820	1600	420	10	680	1100	[11]400	8200	2300	10900	5700	1500	300
September	730	870	2100	430	20	870	1300	[11]600	8200	1500	10300	8600	3300	2000
October	770	970	1900	360	30	1040	1400	1700	4500	0	6200	6300	3500	2200
November	810	1040	1700	350	30	1080	1430	1600	1700	0	3200	3400	2500	1600
December	810	1060	1200	380	30	1080	1460	1450	800	0	2253	2000	1100	800
Year	730	800	1200	390	10	550	940	830	2350	380	3560	2650	1150	590

1902
Month.	Victoria Nile at Ripon Falls.	Albert Nile			Gazelle river app.	Sobat river.	White Nile at Tewfikia.
		Wadelai.	Gondo- koro.	Above Sobat junction.
January	510	620	660	..	..	..	..
February	510	580	640	..	..	..	..
March	500	570	660	..	..	..	..
April	530	540	550	..	..	..	..
May	560	560	630	..	..	..	..
June	550	550	550	..	..	..	..
July	530	560	600	..	..	..	..
August	520	580	1000	340	..	570	910
September	510	610	820	420	..	810	1230
October	490	640	780	..	..	..	..
November	500	710	900	..	..	..	..
December	490	740	860	..	..	..	..
Year	520	600	720	..	..	..	..

1902
Month.	White Nile at Khartoum.	Blue Nile at Khartoum.	Atbara river.	Total for: White, Blue and Atbara rivers.	Nile at: Halfa = 1st Jan.- 1st July. Assuân= 1st July- 1st Jan.	Rosetta branch.	Damietta branch.
January	950	280	0	1230	1100	1000	20
February	550	240	0	790	720	290	40
March	420	190	0	610	600	40	40
April	370	190	0	560	530	0	0
May	350	180	0	530	510	0	0
June	600	600	50	1250	550	0	0
July	900	1500	500	2900	1100	0	0
August	[11]600	5000	1200	6300	3600	800	400
September	[11]600	6200	1200	8000	6600	2600	400
October	900	2800	80	3780	4950	2500	1300
November	850	1000	0	1850	2400	1400	700
December	1202	500	0	1700	1700	1600	140
Year	690	1560	250	2500	2030	850	340

1903
Month.	Victoria Nile at Ripon Falls.	Albert Nile			Gazelle river app.	Sobat river.	White Nile at Tewfikia.
		Wadelai.	Gondo- koro.	Above Sobat junction.
January	530	710	760	400	0	600	1000
February	610	680	740	370	0	230	600
March	630	660	700	350	0	130	480
April	650	640	700	360	0	40	400
May	740	670	900	390	0	100	490
June	800	710	1020	400	0	320	720
July	840	760	1100	410	10	410	820
August	790	820	1600	420	10	680	1100
September	730	870	2100	430	20	870	1300
October	770	970	1900	360	30	1040	1400
November	810	1040	1700	350	30	1080	1430
December	810	1060	1200	380	30	1080	1460
Year	730	800	1200	390	10	550	940

1903
Month.	White Nile at Khartoum.	Blue Nile at Khartoum.	Atbara river.	Total for: White, Blue and Atbara rivers.	Nile at: Halfa = 1st Jan.- 1st July. Assuân= 1st July- 1st Jan.	Rosetta branch.	Damietta branch.
January	1000	300	0	1300	1300	1300	20
February	600	240	0	840	880	500	20
March	500	180	0	680	620	100	30
April	420	120	0	540	480	0	0
May	420	280	0	700	440	0	0
June	600	1200	200	2000	630	0	0
July	[11]700	2500	600	3800	1400	0	150
August	[11]400	8200	2300	10900	5700	1500	300
September	[11]600	8200	1500	10300	8600	3300	2000
October	1700	4500	0	6200	6300	3500	2200
November	1600	1700	0	3200	3400	2500	1600
December	1450	800	0	2253	2000	1100	800
Year	830	2350	380	3560	2650	1150	590

1904
Month.	Victoria Nile at Ripon Falls.	Albert Nile			Gazelle river app.	Sobat river.	White Nile at Tewfikia.	White Nile at Khartoum.	Blue Nile at Khartoum.	Atbara river.	Total of: White, Blue and Atbara rivers.	Nile at Assuân in flood. At Halfa in low supply.	Rosetta branch.	Damietta branch.
		Wadelai.	Gondo- koro.	Above Sobat junction.
February	..	1030	1060	430	20	230	660	800	300	0	1100	1300	850	110
March	..	1000	1020	430	20	130	560	520	210	0	730	850	110	250
April	..	1000	1060	430	10	100	530	500	200	0	700	650	0	80
May	..	..	1200	430	0	160	590	500	300	0	800	600	0	10
June	..	..	1200	[11]400	0	290	690	550	500	50	1050	950	0	30
July	..	..	..	..	..	..	..	..	2600	800	..	1100	30	80
August	..	..	..	..	..	..	..	..	5500	1100	..	5900	2000	1000
September	..	..	..	..	..	..	..	..	..	700	..	..	..	..
October	..	..	..	..	..	..	..	..	..	..	..	..	..	..
November	..	..	..	..	..	..	..	..	..	..	..	..	..	..
December	..	..	..	..	..	..	..	..	..	..	..	..	..	..
Year	..	..	..	..	..	..	..	..	..	..	..	..	..	..

1904
Month.	Victoria Nile at Ripon Falls.	Albert Nile			Gazelle river app.	Sobat river.	White Nile at Tewfikia.
		Wadelai.	Gondo- koro.	Above Sobat junction.
February	..	1030	1060	430	20	230	660
March	..	1000	1020	430	20	130	560
April	..	1000	1060	430	10	100	530
May	..	..	1200	430	0	160	590
June	..	..	1200	[11]400	0	290	690
July	..	..	..	..	..	..	..
August	..	..	..	..	..	..	..
September	..	..	..	..	..	..	..
October	..	..	..	..	..	..	..
November	..	..	..	..	..	..	..
December	..	..	..	..	..	..	..
Year	..	..	..	..	..	..	..

1904
Month.	White Nile at Khartoum.	Blue Nile at Khartoum.	Atbara river.	Total of: White, Blue and Atbara rivers.	Nile at Assuân in flood. At Halfa in low supply.	Rosetta branch.	Damietta branch.
February	800	300	0	1100	1300	850	110
March	520	210	0	730	850	110	250
April	500	200	0	700	650	0	80
May	500	300	0	800	600	0	10
June	550	500	50	1050	950	0	30
July	..	2600	800	..	1100	30	80
August	..	5500	1100	..	5900	2000	1000
September	..	..	700	..	..	..	..
October	..	..	..	..	..	..	..
November	..	..	..	..	..	..	..
December	..	..	..	..	..	..	..
Year	..	..	..	..	..	..	..

[11] Blue Nile water flowing up the White Nile and decreasing the normal discharge.

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