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

15/01/13
2.7
11/02/13
3.1
11/03/13
3.8
08/04/13
2
14/05/13
2.8
13/06/13
4.9
09/07/13
2.1
12/08/13
2.5
12/09/13
3
10/10/13
2.3
18/11/13
2
09/12/13
2
14/01/14
2.5
10/02/14
3.3
17/03/14
2.7
08/04/14
1.7
15/05/14
2.3
18/06/14
1.5
09/07/14
2.6
11/08/14
1.7
11/09/14
2.2
13/10/14
2.3
18/11/14
2
09/12/14
1.7
08/01/15
2.2
18/02/15
5.2
12/03/15
1.7
07/04/15
2.2
13/05/15
1.6
15/06/15
3.5
06/07/15
2.2
17/08/15
5.8
21/09/15
2.1
20/10/15
1.5
10/11/15
1.1
10/12/15
1.9
12/01/16
2.9
16/02/16
1.9
10/03/16
3.9
11/04/16
1.3
17/05/16
4.2
22/06/16
2.5
20/07/16
2.7
25/08/16
2.4
20/09/16
3.5
17/10/16
2
15/11/16
5.1
14/12/16
2.5
10/01/17
2.9
14/02/17
2.3
14/03/17
2.3
11/04/17
3.2
16/05/17
5.8
13/06/17
2.1
12/07/17
2.2
09/08/17
1.7
13/09/17
2
10/10/17
2.1
14/11/17
3
05/12/17
3.7
09/01/18
2.4
08/02/18
3.6
06/03/18
3.3
10/04/18
2.6
15/05/18
2.9
12/06/18
3.5
10/07/18
2.2
02/08/18
3.4
09/10/18
5
13/11/18
4.6
11/12/18
1.6
12/01/21
1.2
15/02/21
1.1
11/03/21
2.3
12/04/21
4.1
17/05/21
4.2
10/06/21
2.6
15/07/21
1.8
15/11/21
2.8
09/12/21
2.8
17/01/22
1.3
07/02/22
0.7
15/03/22
1.9
12/04/22
2.7
17/05/22
6
13/12/22
2.1
09/02/23
2.1
14/03/23
2.3
18/04/23
5.4
16/05/23
2.1