* à JOSSELIN, paramètre Nitrates mg(NO3)/L

26/01/16
55
22/02/16
59
30/03/16
43
27/04/16
25
23/08/16
13
26/10/16
16
23/11/16
17
21/12/16
16
30/01/17
11
28/02/17
38
28/03/17
45
25/04/17
42
30/05/17
23
27/06/17
18
26/07/17
8.9
29/08/17
10
26/09/17
12
30/10/17
14
28/11/17
17
19/12/17
5.9
30/01/18
46
27/02/18
56
28/03/18
50
24/04/18
49
30/05/18
38
27/06/18
37
30/07/18
16
27/08/18
18
26/09/18
14
30/10/18
15
29/11/18
14
17/12/18
25
31/01/19
42
27/02/19
55
28/03/19
50
30/04/19
40
28/05/19
37
26/06/19
30
31/07/19
23
27/08/19
19
24/09/19
8
30/10/19
27
27/11/19
49
16/12/19
52
29/01/20
56
26/02/20
59
30/03/20
60
29/04/20
31
27/05/20
47
30/06/20
43
30/07/20
33
27/08/20
26
28/09/20
22
27/10/20
26
25/11/20
43
22/12/20
41
24/01/22
54.5
22/02/22
48.3
28/03/22
47.8
28/04/22
43.4
31/05/22
40.5
28/06/22
25.7
27/07/22
18
27/09/22
15.7
26/10/22
14.4
29/11/22
27.9
20/12/22
27.3