White Plains Air Monitoring Site Trends (1987-2007)

White Plains Acid Deposition Data, 1987 - 2007
Station	Year	Precip. in	pH	[SO4] ippm	[NO3] ippm	[NH4] ippm	SO4 Dep. kg/ha	NO3 Dep. kg/ha	NH4 Dep. kg/ha
White Plains	1987	40.12	4.15	4.28	2.82	0.10	43.66	28.74
White Plains	1988	49.51	4.32	2.42	1.69	0.22
White Plains	1989	77.29	4.29	2.26	1.48	0.31	44.34	28.99	6.01
White Plains	1990	59.60	4.26	2.80	1.66	0.30	42.34	25.11	4.59
White Plains	1991	41.57	4.24	2.62	1.90	0.36	27.67	20.09	3.75
White Plains	1992	44.13	4.31	2.52	1.58	0.31	28.21	17.75	3.44
White Plains	1993	41.93	4.29	2.36	1.54	0.31	25.17	16.38	3.26
White Plains	1994	46.98	4.36	2.11	1.59	0.30	25.20	19.00	3.54
White Plains	1995	41.05	4.45	1.69	1.71	0.29	17.66	17.81	2.98
White Plains	1996	58.74	4.40	1.83	1.35	0.29	27.27	20.19	4.31
White Plains	1997	40.96	4.26	2.21	1.62	0.37	25.49	18.63	4.31
White Plains	1998	38.74	4.39	1.86	1.49	0.36	18.85	15.16	3.62
White Plains	1999	48.80	4.51	1.51	1.15	0.22	18.77	14.21	2.77
White Plains	2000	42.29	4.36	1.63	1.51	0.31	17.50	16.23	3.28
White Plains	2001	39.91	4.34	1.60	1.71	0.29	16.19	17.33	2.95
White Plains	2002	52.01	4.49	1.51	1.29	0.26	19.93	17.05	3.39
White Plains	2003	58.14	4.50	1.24	1.21	0.24	18.16	17.82	3.51
White Plains	2004	56.43	4.48	1.68	1.49	0.28	23.97	21.23	3.89
White Plains	2005	64.58	4.67	1.10	1.27	0.28	18.07	20.89	4.64
White Plains	2006	64.74	4.58	1.48	1.01	0.24	24.52	16.73	3.95
White Plains	2007	54.22	4.54	1.62	1.18	0.27	22.70	16.52	3.95

Blanks indicate that the rainfall criteria were not satisfied. That is, analysis of at least 75% of the annual and 50% of the quarterly precipitation.

pH / ion concentration, White Plains 1987-2007

precipitation / ion deposition, White Plains 1987-2007