ANNEXES
Contribution à l'étude de la qualité
physico-chimique et bactériologique des points d'eau dans la
ville
de N'Djamena
ANNEXE 1 : données climatologiques
ANNEXE 1.1 Pluviométrie (mm) pour
N'Djaména Aéroport
|
Année
|
janvier
|
février
|
mars
|
avril
|
mai
|
juin
|
juillet
|
août
|
septembre
|
octobre
|
novembre
|
décembre
|
|
1984
|
0
|
0
|
0
|
47.4
|
21.7
|
35.4
|
70.2
|
34.2
|
16.6
|
0.6
|
0
|
0
|
|
1985
|
0
|
0
|
0
|
0
|
9.4
|
18.4
|
92.1
|
161
|
82.7
|
1.3
|
0
|
0
|
|
1986
|
0
|
0
|
1.4
|
6.1
|
17.7
|
13.8
|
236.2
|
129
|
151
|
0.3
|
0
|
0
|
|
1987
|
0
|
0
|
0
|
0
|
68.6
|
67.7
|
67.3
|
130
|
44.4
|
26.8
|
0
|
0
|
|
1988
|
0
|
0
|
0
|
0
|
56.9
|
24.4
|
191.8
|
203
|
154
|
0.6
|
0
|
0
|
|
1989
|
0
|
0
|
0
|
0
|
1.6
|
84
|
180.4
|
186
|
62.1
|
79.3
|
0
|
0
|
|
1990
|
0
|
0
|
0
|
0
|
4.2
|
17.1
|
171.8
|
81.7
|
14
|
1.4
|
0
|
6
|
|
1991
|
0
|
0
|
0
|
19.4
|
78.2
|
31.4
|
159.2
|
281
|
60.1
|
0.6
|
0
|
0
|
|
1992
|
0
|
0
|
1.2
|
4.3
|
21.9
|
57.3
|
149.9
|
166
|
109
|
27.7
|
0
|
0
|
|
1993
|
0
|
0
|
0
|
5.8
|
38.7
|
45.4
|
121
|
198
|
46
|
5
|
0
|
0
|
|
1994
|
0
|
0
|
0
|
17.5
|
0
|
42.9
|
164.6
|
233
|
149
|
20.5
|
0
|
0
|
|
1995
|
0
|
0
|
0
|
4
|
2.6
|
30.4
|
147.1
|
120
|
119
|
22.8
|
0
|
0
|
|
1996
|
0
|
0
|
0
|
16.2
|
19.6
|
21.8
|
103.9
|
225
|
60.1
|
51.7
|
0
|
0
|
|
1997
|
0
|
0
|
0
|
13.1
|
9.1
|
62.3
|
135.1
|
146
|
37.4
|
19.1
|
0
|
0
|
|
1998
|
0
|
0
|
0
|
10
|
11.2
|
88.2
|
239
|
287
|
118
|
22.4
|
0
|
0
|
|
1999
|
0
|
0
|
0
|
0
|
0
|
15
|
307.3
|
192
|
87.7
|
32.9
|
25.6
|
0
|
|
2000
|
0
|
0
|
0
|
0
|
59.8
|
90.8
|
249.7
|
197
|
40.4
|
39.1
|
0
|
0
|
|
2001
|
0
|
0
|
0
|
1.2
|
18.1
|
45.8
|
135.9
|
163
|
251
|
29.8
|
0
|
0
|
|
2002
|
0
|
0
|
0
|
0
|
0
|
42.4
|
122.1
|
147
|
152
|
80.3
|
0
|
0
|
|
2003
|
0
|
0
|
0
|
0.4
|
109.3
|
51.1
|
113.6
|
292
|
81.1
|
16.7
|
0
|
0
|
|
2004
|
0
|
0
|
0
|
38.7
|
55.1
|
52.8
|
175.5
|
143
|
51.6
|
27.6
|
0
|
0
|
|
2005
|
0
|
0
|
0
|
0
|
15.3
|
53.6
|
170.7
|
190
|
79.9
|
10.3
|
0
|
0
|
|
2006
|
0
|
0
|
0
|
1
|
31.7
|
87.4
|
174.8
|
295
|
83.5
|
37.6
|
0
|
0
|
|
2007
|
0
|
0
|
0
|
0
|
10.5
|
106.9
|
218.5
|
180
|
72.5
|
29.4
|
16.5
|
0
|
|
2008
|
0
|
0
|
0
|
0
|
44.7
|
50.5
|
215.8
|
298
|
38.5
|
8
|
0
|
0
|
|
2009
|
0
|
0
|
0
|
0
|
0
|
12.7
|
145
|
232
|
111
|
54.1
|
0
|
0
|
|
2010
|
0
|
0
|
0
|
0
|
1.8
|
51.5
|
215.3
|
123
|
156
|
20.7
|
0
|
0
|
|
2011
|
0
|
0
|
0
|
0
|
10.8
|
77.2
|
59.6
|
180.6
|
156.2
|
22.6
|
0
|
0
|
|
2012
|
0
|
0
|
0
|
0
|
30.1
|
53.8
|
154.3
|
266.9
|
94.3
|
13.8
|
0
|
0
|
|
2013
|
0
|
0
|
0
|
0
|
3.3
|
20.6
|
122.7
|
249.9
|
75.1
|
0
|
0
|
0
|
|
2014
|
0
|
0
|
0
|
0
|
26.9
|
4.6
|
173.1
|
147.4
|
86.3
|
17.1
|
0
|
0
|
2015 0 0 0 0 0.9 81.2 243.4 162 81.9 1.1 0 0
moy
ANNEXE 1.2 Températures minimales (°C) pour
N'Djaména Aéro.
|
Année
|
janvier
|
février
|
mars
|
avril
|
mai
|
juin
|
juillet
|
août
|
septembre
|
octobre
|
novembre
|
décembre
|
|
1984
|
14.2
|
17.9
|
23.6
|
26.1
|
26.4
|
25.8
|
23.6
|
24.1
|
24
|
24.2
|
20
|
15.6
|
|
1985
|
18.2
|
16.5
|
24.3
|
25.1
|
27.5
|
25.6
|
23.4
|
22.9
|
23.1
|
23
|
20.2
|
16.4
|
|
1986
|
14.4
|
19
|
23.9
|
26.1
|
26.9
|
25.8
|
23.1
|
22.8
|
22.4
|
22.2
|
19.3
|
15.2
|
Mémoire de Master rédigé par Amann
Hisseine Abdoul, Université de N'Djamena Page 94
Contribution à l'étude de la qualité
physico-chimique et bactériologique des points d'eau dans la
ville
de N'Djamena
|
1987
|
14.5
|
18
|
21.7
|
24.1
|
26.2
|
24.3
|
25.2
|
23.1
|
23.8
|
22.6
|
18.7
|
16.2
|
|
1988
|
15.6
|
17.4
|
23.2
|
26.3
|
26.7
|
25.1
|
23.3
|
22.5
|
22.3
|
20.5
|
17.4
|
15.7
|
|
1989
|
11.2
|
13.6
|
19
|
23.7
|
25.7
|
23.9
|
22.7
|
22.3
|
22.9
|
22.4
|
18.7
|
15.4
|
|
1990
|
16.8
|
16.6
|
19.8
|
26.2
|
27
|
26.3
|
22.7
|
22.9
|
23.6
|
23.2
|
21.7
|
19.1
|
|
1991
|
15.6
|
19.7
|
22.9
|
26.2
|
25.4
|
25.7
|
23.5
|
22.3
|
24.1
|
21.4
|
19.4
|
14.6
|
|
1992
|
13.9
|
16.2
|
23.1
|
26.8
|
26
|
25
|
23.1
|
22.2
|
22.6
|
21
|
18.7
|
14.6
|
|
1993
|
13
|
16.1
|
22.1
|
25.1
|
25.9
|
25.2
|
23.7
|
22.7
|
22.8
|
22.7
|
20.5
|
16.3
|
|
1994
|
15.9
|
17
|
22.4
|
26.7
|
27.2
|
25.9
|
23.5
|
22.2
|
23.3
|
23.4
|
17.6
|
13.4
|
|
1995
|
12.7
|
15.1
|
22.4
|
26.1
|
26.8
|
26.2
|
24.1
|
23
|
22.8
|
22
|
17.6
|
16.5
|
|
1996
|
15.3
|
18.3
|
23.6
|
25.6
|
27
|
25.3
|
24.3
|
22.3
|
23
|
21.9
|
17.2
|
15.6
|
|
1997
|
16.4
|
15.2
|
22.4
|
25.8
|
25.9
|
25.1
|
23.5
|
22.9
|
24
|
24.7
|
20.2
|
15.7
|
|
1998
|
14.9
|
19.2
|
20.6
|
26.7
|
28.7
|
26.2
|
23.8
|
23
|
23.6
|
23.7
|
20.8
|
16.5
|
|
1999
|
15.4
|
19
|
22
|
26
|
26.6
|
25.7
|
22.9
|
22.3
|
22.8
|
22.5
|
14
|
14.9
|
|
2000
|
16.8
|
14.7
|
19.8
|
25.7
|
25.8
|
25.2
|
22.9
|
22.2
|
23.4
|
21.5
|
18.8
|
13.9
|
|
2001
|
12.3
|
15.2
|
21.2
|
26.4
|
26.5
|
24.9
|
23.5
|
22.8
|
22.5
|
22
|
18.2
|
16.2
|
|
2002
|
12.8
|
16.7
|
22.7
|
26.8
|
26.6
|
25.3
|
24.4
|
23.2
|
23
|
22
|
18.5
|
14.9
|
|
2003
|
14.4
|
18.4
|
21.5
|
27
|
26.1
|
24.8
|
23.7
|
22.6
|
23.4
|
23.3
|
20.8
|
15.4
|
|
2004
|
15.5
|
16.9
|
21.4
|
25.8
|
27
|
25.7
|
23.4
|
23.1
|
23.8
|
23.1
|
19.8
|
16.3
|
|
2005
|
14.7
|
21.8
|
25.4
|
26.9
|
27.3
|
25.2
|
23.8
|
23.3
|
23.6
|
23
|
19.5
|
17.3
|
|
2006
|
17.8
|
21.1
|
23
|
24.9
|
26.9
|
25.4
|
24.4
|
23.4
|
23.4
|
23.5
|
18.3
|
14.1
|
|
2007
|
13.8
|
18.9
|
21.4
|
27.1
|
27.5
|
25.4
|
23.8
|
22.7
|
23.2
|
22.5
|
20.9
|
16.3
|
|
2008
|
14.2
|
19.4
|
18.9
|
25.6
|
26.4
|
25
|
23.1
|
22.9
|
23.7
|
23
|
19.2
|
17.4
|
|
2009
|
17.1
|
20.1
|
22.2
|
26.4
|
26.3
|
25.9
|
24.3
|
22.9
|
24.1
|
23.8
|
19.4
|
15.7
|
|
2010
|
16.2
|
20.6
|
22.3
|
27.4
|
28.3
|
26.5
|
24.3
|
23.8
|
23.5
|
24.4
|
20.7
|
15.7
|
|
2011
|
13.9
|
21.4
|
22.7
|
26.1
|
27.3
|
25.5
|
24.1
|
23
|
23.5
|
23.3
|
18.3
|
14.7
|
|
2012
|
14.7
|
20.5
|
21.2
|
27.7
|
26.9
|
25.4
|
23.8
|
22.4
|
23.8
|
24.3
|
19.8
|
15.5
|
|
2013
|
16.7
|
19
|
23.7
|
26.5
|
27.3
|
25.9
|
24.1
|
22.9
|
23.5
|
23.4
|
19.8
|
17.4
|
|
2014
|
15.2
|
20.1
|
23.7
|
26.7
|
24.2
|
23
|
22.8
|
21.6
|
21.4
|
23.3
|
19.6
|
15.9
|
2015 14.1 20.1 22.4 23.5 28.1 25.7 23.9 23 23.6 23.3 19.6 13.9
| 
