Elmira Air Monitoring Site Trends (1987-2006)

Elmira Acid Deposition Data, 1987 - 2006
Station	Year	Precip. in	pH	[SO4] ippm	[NO3] ippm	[NH4] ippm	SO4 Dep. kg/ha	NO3 Dep. kg/ha	NH4 Dep. kg/ha
Elmira	87	31.84	4.25	4.52	2.84	0.10
Elmira	88	30.22	4.34	3.13	1.75	0.40	24.02	13.43	3.09
Elmira	89	37.98	4.24	2.40	1.52	0.29	23.17	14.69	2.81
Elmira	90	38.89	4.23	2.69	1.45	0.36	26.62	14.31	3.56
Elmira	91	25.86	4.18	3.18	1.86	0.45	20.90	12.24	2.98
Elmira	92	38.97	4.20	2.75	1.68	0.34	27.26	26.67	3.37
Elmira	93	35.29	4.19	2.92	1.59	0.37	26.18	14.24	3.31
Elmira	94	34.02	4.31	2.57	1.56	0.30	22.18	13.50	2.62
Elmira	95	28.13	4.46	2.01	1.53	0.61	14.34	10.91	4.35
Elmira	96	45.64	4.33	2.27	2.02	0.45
Elmira	97	22.09	4.28	2.45	1.86	0.52
Elmira	98	29.78	4.31	2.30	1.74	0.58	17.42	13.17	4.36
Elmira	99	24.22	4.32	2.07	1.6	0.4	12.72	9.85	2.45
Elmira	00	31.15	4.29	2.19	1.93	0.44	17.31	15.28	3.47
Elmira	01	25.66	4.37	2.03	1.81	0.54	13.22	11.78	3.49
Elmira	02	34.24	4.48	1.73	1.51	0.36	15.01	13.17	3.09
Elmira	03	39.86	4.46	1.76	1.66	0.41	17.90	16.56	4.06
Elmira	04	40.41	4.48	2.34	1.55	0.40	23.95	16.19	4.04
Elmira	05	35.75	4.46	1.75	2.06	0.47	16.33	19.47	4.53
Elmira	06	36.10	4.45	1.95	1.46	0.37	17.67	13.13	3.36

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.