OUST à SAINT-MARTIN-DES-PRES, paramètre Nitrates mg(NO3)/L

11/02/13
37.3
08/04/13
33.6
10/06/13
31.7
05/08/13
33.9
01/10/13
19
06/12/13
27
03/02/14
37
02/04/14
30
02/06/14
31
01/12/14
35
09/02/15
36
07/04/15
33
03/06/15
30
04/08/15
28
05/10/15
22
03/12/15
21
25/02/16
33.2
12/04/16
34.2
23/06/16
21.1
11/10/16
22.8
15/12/16
15
02/02/17
17.6
13/04/17
28.5
21/06/17
27.6
21/08/17
23
22/01/18
30
15/02/18
31
19/03/18
36
19/04/18
35
30/05/18
28
18/06/18
27
05/07/18
28
30/08/18
25
06/12/18
22
07/02/19
26
18/04/19
27
18/06/19
18
22/08/19
23
22/10/19
17
03/12/19
34
11/02/20
33
16/06/20
24
18/08/20
20
20/10/20
26
12/11/20
29
15/12/20
30
16/02/21
15
07/04/21
32
08/06/21
27
17/08/21
28
19/10/21
16
02/12/21
16
04/02/22
30
27/04/22
30
21/06/22
23
18/08/22
14
06/10/22
15
07/12/22
31
03/02/23
34
27/04/23
27
09/06/23
28
29/08/23
24
18/10/23
21