GUIDECOURT à SAINT-LAURENT, paramètre Nitrates mg(NO3)/L

27/01/16
49
24/02/16
10
29/03/16
32
26/04/16
43
25/05/16
45
28/06/16
42
26/07/16
42
23/08/16
18
27/09/16
45
25/10/16
15
20/12/16
21
30/01/17
38
20/02/17
48.5
28/02/17
34
28/03/17
44
12/04/17
46.2
25/04/17
47
30/05/17
37
19/06/17
35.3
27/06/17
12
24/07/17
18
16/08/17
41
29/08/17
1.7
28/09/17
9
10/10/17
40
30/10/17
6.2
28/11/17
27
19/12/17
15
22/12/17
42
30/01/18
48
22/02/18
50
27/02/18
51
28/03/18
39
12/04/18
44
24/04/18
46
30/05/18
38
13/06/18
45
27/06/18
48
30/07/18
31
09/08/18
38
27/08/18
31
30/10/18
27
29/11/18
34
13/12/18
46
17/12/18
38
31/01/19
39
27/02/19
48
28/03/19
46
30/04/19
45
28/05/19
49
26/06/19
34
31/07/19
33
24/09/19
8
30/10/19
30
27/11/19
30
16/12/19
39
29/01/20
38
26/02/20
40
30/03/20
47
29/04/20
37
27/05/20
51
30/07/20
46
27/08/20
36
28/09/20
28
27/10/20
33
25/11/20
42
22/12/20
24
24/01/22
45.2
22/02/22
20.7
28/03/22
46.5
28/04/22
47.4
31/05/22
48.3
28/06/22
38.5
27/07/22
44.2
26/10/22
10.6
29/11/22
43.5
20/12/22
22.2