RAU DU PERCHE À VAY, paramètre Orthophosphates (PO4) mg(PO4)/L

27/02/13 0.11	11/04/13 0.16	11/06/13 0.33	12/08/13 0.57	28/10/13 0.38	03/12/13 0.34
26/02/14 0.14	23/04/14 0.09	23/06/14 0.37	05/08/14 0.45	20/10/14 1.51	17/12/14 0.17
17/02/15 0.12	28/04/15 0.12	18/06/15 0.38	31/08/15 1.23	08/10/15 1.28	22/12/15 0.22
22/02/16 0.14	28/04/16 0.2	30/06/16 0.37	22/08/16 0.38	25/10/16 1.2	02/12/16 0.38
24/01/18 0.21	21/02/18 0.11	21/03/18 0.11	25/04/18 0.13	23/05/18 0.59	21/06/18 1.21	25/09/18 0.58	20/11/18 3.94	19/12/18 0.16
30/01/19 0.08	15/10/19 6.22	17/12/19 0.19
19/02/20 0.11	01/04/20 0.087	23/06/20 0.58	19/10/20 1.14	17/12/20 0.14
19/02/21 0.11	22/04/21 0.24	16/06/21 0.78	11/08/21 0.81	12/10/21 0.64	15/12/21 0.11
21/02/22 0.12	28/04/22 0.18	21/06/22 0.83	20/10/22 9.48	05/12/22 0.41
01/02/23 0.11	18/04/23 0.096	19/06/23 2.32