LAYON à MARTIGNE-BRIAND, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

15/01/13
1.2
11/03/13
1.9
09/04/13
2.3
21/05/13
4.2
11/06/13
1.5
09/07/13
1
13/08/13
2
09/09/13
1.3
15/10/13
2.3
12/11/13
2.3
09/12/13
2.4
14/01/14
1.4
11/02/14
1.8
11/03/14
1.9
15/04/14
3
14/05/14
2.5
10/06/14
3.7
15/07/14
1.1
12/08/14
1.7
09/09/14
1
14/10/14
1.9
12/11/14
2.1
09/12/14
1.9
15/01/15
2.7
10/02/15
2.2
10/03/15
2.2
15/04/15
1.8
11/05/15
1.7
08/06/15
1.5
21/07/15
2.1
11/08/15
1.3
14/09/15
1.2
13/10/15
1.4
17/11/15
1.5
14/12/15
0.7
12/01/16
3
09/02/16
2.8
14/03/16
1.6
12/04/16
1.9
11/05/16
1.4
13/06/16
1.3
18/07/16
0.9
09/08/16
1.1
12/09/16
0.7
11/10/16
1.9
15/11/16
2.3
12/12/16
1.1
10/01/17
1.3
14/02/17
1.1
13/03/17
2.9
11/04/17
4.3
09/05/17
3.1
12/06/17
0.9
11/07/17
1.1
16/08/17
1.3
11/09/17
2.3
10/10/17
0.9
14/11/17
2.1
11/12/17
1.5
15/01/18
1.7
12/02/18
1.1
12/03/18
1.3
10/04/18
2.1
22/05/18
1.1
11/06/18
4.5
09/07/18
1.7
07/08/18
0.9
10/09/18
0.7
08/10/18
1.3
12/11/18
5.3
10/12/18
1.9
12/02/19
2.5
12/03/19
1.6
09/04/19
2.9
11/06/19
1.4
09/07/19
1
12/08/19
1.8
10/09/19
1.6
15/10/19
1.4
12/11/19
3.7
10/12/19
2.5
25/02/20
1.6
24/06/20
1.1
17/08/20
2.5
26/10/20
2.1
13/11/20
1.6
18/12/20
2.6
26/02/21
1.8
29/04/21
3.9
18/06/21
2.5
30/08/21
1.3
18/10/21
1.2
21/12/21
2.2
10/01/22
2.3
14/02/22
1.1
15/03/22
5.6
11/04/22
2.4
09/05/22
1
13/06/22
1.8
11/07/22
1.3
08/08/22
0.6
07/09/22
0.9
10/10/22
1.2
14/11/22
4.5
12/12/22
1.4
10/01/23
2
13/02/23
2
13/03/23
1.8
11/04/23
3
09/05/23
1.7
12/06/23
1.2
10/07/23
1.2
07/08/23
1.8
11/09/23
1.5
09/10/23
0.9
13/11/23
1.8