CALAIS à SAINT-MICHEL-CHEF-CHEF, paramètre Oxygène dissous mg(O2)/L

13/02/19
9.9
15/04/19
10.6
06/06/19
7.2
09/08/19
4.4
15/10/19
7.4
17/12/19
8.9
12/02/20
9
06/04/20
8.7
02/06/20
6.7
12/08/20
3.6
21/10/20
4.5
08/12/20
9.2
03/02/21
7.9
21/04/21
11.6
30/06/21
5.6
19/08/21
3.7
28/10/21
6.5
10/12/21
8.8
16/02/22
9.7
14/04/22
8.1