CHEZINE à NANTES, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

17/02/10
1.2
12/04/10
1.2
07/06/10
2.9
27/07/10
1.5
19/10/10
2.4
02/12/10
0.5
14/02/11
1.7
11/04/11
4
08/06/11
1.6
23/08/11
3.2
17/10/11
1.3
13/12/11
3.1
29/02/12
1.6
10/04/12
10
08/06/12
2.8
05/09/12
0.5
24/10/12
1.1
11/12/12
1.2
01/03/13
0.6
12/04/13
1.2
20/06/13
1.4
20/08/13
1.5
29/10/13
2.5
18/12/13
1.4
27/02/14
1.3
08/04/14
2.3
19/06/14
1.4
17/07/14
1.5
27/10/14
1.1
12/12/14
1.6
24/02/15
1.5
14/04/15
1.5
12/06/15
17
27/08/15
6
28/10/15
4.6
16/12/15
2.8
09/02/16
1.8
21/04/16
1.6
08/06/16
1.6
26/08/16
0.9
25/10/16
2.4
16/12/16
1.5
16/02/17
1.5
25/04/17
1.3
02/06/17
1.1
25/08/17
2.7
25/10/17
1.8
12/12/17
2
27/02/18
2.2
12/04/18
1.2
07/06/18
1.4
21/08/18
1.1
19/10/18
1.1
12/12/18
1.1
18/02/20
1.8
15/04/20
1.5
22/06/20
1.3
17/08/20
2.6
15/10/20
1.3
14/12/20
1.4
22/02/21
0.6
14/04/21
1.6
18/06/21
5
31/08/21
1.3
15/10/21
1.3
29/12/21
1.9
15/02/22
2.2
05/04/22
0.9
10/06/22
1.4
31/08/22
0.7