ORNE SAOSNOISE à BALLON, paramètre Nitrates mg(NO3)/L

19/02/13 39	02/04/13 14.1	27/06/13 36.7	23/08/13 33.1	17/10/13 33	02/12/13 32
19/02/14 35	14/04/14 34	19/06/14 38	20/08/14 25	17/10/14 31	17/12/14 29
10/02/15 33	09/04/15 33	19/06/15 30	20/08/15 20	21/10/15 27	21/12/15 29
09/02/16 29	20/04/16 30.5	06/06/16 17.9	23/08/16 25.2	07/12/16 30.5
08/02/17 47.6	11/04/17 24.3	23/06/17 22.1	17/08/17 18	15/12/17 39
09/01/18 46	19/02/18 39	18/04/18 32	15/05/18 28	20/06/18 37	06/07/18 33	22/08/18 30	13/09/18 29	17/10/18 25	13/11/18 35	12/12/18 45
13/02/19 40	05/04/19 36	14/06/19 43	09/08/19 25	11/10/19 30	05/12/19 43
18/02/20 26	17/04/20 33	11/06/20 34	06/08/20 33	14/10/20 32	04/12/20 35
11/02/21 49	07/04/21 30	04/06/21 41	12/08/21 25	06/10/21 28	06/12/21 33
09/02/22 35	12/04/22 25	10/06/22 26	10/08/22 19	06/10/22 30	05/12/22 31
07/02/23 36	07/04/23 30	07/06/23 21	16/08/23 17	13/10/23 26