Rochester Air Monitoring Site Trends (1987-2006)

Site 2701-22 replaced 2701-08 for 2005 data and later

Rochester 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
Rochester	87	32.34	4.22	4.27	2.88	0.29	35.07	23.63
Rochester	88	37.47	4.28	3.73	2.47	0.32	35.53	23.50	3.09
Rochester	89	32.24	4.20	3.88	2.50	0.52	31.78	20.45	4.27
Rochester	90	40.70	4.18	3.29	2.32	0.63	33.97	23.97	6.52
Rochester	91	25.19	4.19	3.26	2.16	0.49	20.85	13.82	3.13
Rochester	92	37.04	4.26	2.69	1.49	0.39	25.33	14.01	3.69
Rochester	93	27.39	4.25	2.68	1.70	0.45	18.63	11.84	3.12
Rochester	94	26.74	4.30	2.87	1.76	0.48	19.48	11.96	3.23
Rochester	95	25.83	4.33	2.70	1.74	0.50	17.68	11.42	3.26
Rochester	96	38.49	4.34	2.95	1.66	0.45	28.81	16.20	4.43
Rochester	97	29.33	4.30	2.41	1.88	0.45	18.73	14.64	3.51
Rochester	98	36.31	4.28	3.01	2.22	0.56	27.72	20.50	5.20
Rochester	99	22.58	4.33	2.92	2.09	0.57	16.75	12.00	3.24
Rochester	00	28.93	4.37	2.41	1.97	0.06
Rochester	01	34.75	4.48	2.18	1.93	0.50	19.21	17.01	4.42
Rochester	02	29.60	4.50	2.12	1.90	0.50	15.91	14.31	3.75
Rochester	03	30.49	4.52	1.79	1.79	0.37	13.81	13.84	2.89
Rochester	04	30.28	4.53	1.93	1.40	0.38
Rochester	05	35.48	4.60	2.05	1.34	0.41	18.50	12.04	3.71
Rochester	06	37.69	4.67	1.68	1.18	0.45	16.14	11.37	4.55

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.