VILAINE à GUICHEN, paramètre Nitrates mg(NO3)/L

14/01/13
28.2
19/02/13
33.4
05/04/13
34.1
13/05/13
25.2
06/06/13
17
01/07/13
15.9
09/08/13
7
06/09/13
2.8
17/10/13
5.6
04/11/13
8.3
06/12/13
23
13/01/14
28
03/04/14
20
12/05/14
17
06/06/14
12
03/07/14
7.9
07/08/14
4.7
15/09/14
4.6
03/10/14
4.1
07/11/14
10
05/12/14
20
20/01/15
20
06/02/15
26
04/03/15
26
09/04/15
23
12/05/15
19
04/06/15
15
08/07/15
5.9
04/08/15
1.5
09/09/15
5.7
06/10/15
7.6
04/11/15
5.3
07/12/15
9.8
26/01/16
23.3
18/02/16
24
15/03/16
23.7
11/04/16
21.1
26/05/16
13.7
02/06/16
11.7
11/07/16
12.1
30/08/16
3.2
05/09/16
3.5
25/10/16
5.8
07/11/16
6.3
02/12/16
8.9
19/01/17
18
14/02/17
35.2
09/03/17
24
13/04/17
11.6
02/05/17
10.9
01/06/17
13.6
12/07/17
2.6
17/08/17
2.6
11/09/17
4
05/10/17
6.1
13/11/17
6.4
23/01/18
26
13/02/18
30
20/03/18
25
16/04/18
25
29/05/18
17
21/06/18
23
16/07/18
11
01/08/18
9.5
18/09/18
5.6
08/10/18
7.4
19/11/18
7.2
17/12/18
19
28/01/19
18
04/02/19
27
18/03/19
21
01/04/19
19
13/05/19
12
17/06/19
20
15/07/19
0.5
Limite de quantif.
19/08/19
2.4
02/09/19
2.6
21/10/19
8.5
04/11/19
16
28/01/20
24
20/02/20
24
25/05/20
15
25/06/20
17
06/07/20
14
10/08/20
4.4
07/09/20
5.5
12/10/20
7.6
05/11/20
12
16/11/20
12
10/12/20
17
11/01/21
28
17/02/21
24
22/03/21
21
19/04/21
15
27/05/21
11
21/06/21
5.5
05/07/21
11
23/08/21
4.6
06/09/21
5.3
18/10/21
13
15/11/21
11
14/12/21
19
13/01/22
22
11/02/22
23
11/03/22
21
14/04/22
14
10/05/22
12
13/06/22
7.7
29/07/22
2
11/08/22
1.1
06/09/22
4.8
18/10/22
6.1
15/11/22
7.4
13/12/22
17
24/01/23
32
08/02/23
30
21/03/23
19
13/04/23
18
25/05/23
15
23/06/23
5
10/07/23
4.6
16/08/23
2.6
08/09/23
3.2
17/10/23
5.6
09/11/23
22