RAU DE LA DECHAUSSERIE OU SAINT-MEDARD À ST-MARS-DU-DESERT, paramètre Nitrates mg(NO3)/L

27/02/13
20.2
09/04/13
5.3
20/06/13
9.6
20/08/13
8.7
23/10/13
4.6
10/12/13
24.1
21/02/14
7.1
25/04/14
9.6
18/06/14
31.9
17/07/14
34.7
27/10/14
54.3
26/12/14
11.3
24/02/15
16.8
14/04/15
18.4
12/06/15
17.5
27/08/15
13.8
28/10/15
21.3
16/12/15
30.8
09/02/16
16.6
21/04/16
21.4
08/06/16
18.2
26/08/16
10.3
25/10/16
14.7
16/12/16
8.5
15/02/18
33
17/04/18
17
19/06/18
37
21/08/18
15
19/10/18
8.4
11/12/18
67
06/02/19
36
17/04/19
18
05/07/19
25
22/08/19
22
14/10/19
24.8
28/10/19
52
16/12/19
32.5
21/02/20
19
07/04/20
22
05/06/20
14
26/08/20
15
15/10/20
74
15/12/20
44
22/02/21
19
14/04/21
16
18/06/21
21
15/10/21
17
29/12/21
23
24/11/22
23
27/12/22
61
23/01/23
29
28/02/23
24
22/03/23
18
27/04/23
27
31/05/23
23
28/06/23
50
28/07/23
30
23/08/23
45
21/09/23
12