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Rochester Air Monitoring Site Trends (1987-2007)

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

Rochester 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
Rochester 1987 32.34 4.22 4.27 2.88 0.29 35.07 23.63
Rochester 1988 37.47 4.28 3.73 2.47 0.32 35.53 23.50 3.09
Rochester 1989 32.24 4.20 3.88 2.50 0.52 31.78 20.45 4.27
Rochester 1990 40.70 4.18 3.29 2.32 0.63 33.97 23.97 6.52
Rochester 1991 25.19 4.19 3.26 2.16 0.49 20.85 13.82 3.13
Rochester 1992 37.04 4.26 2.69 1.49 0.39 25.33 14.01 3.69
Rochester 1993 27.39 4.25 2.68 1.70 0.45 18.63 11.84 3.12
Rochester 1994 26.74 4.30 2.87 1.76 0.48 19.48 11.96 3.23
Rochester 1995 25.83 4.33 2.70 1.74 0.50 17.68 11.42 3.26
Rochester 1996 38.49 4.34 2.95 1.66 0.45 28.81 16.20 4.43
Rochester 1997 29.33 4.30 2.41 1.88 0.45 18.73 14.64 3.51
Rochester 1998 36.31 4.28 3.01 2.22 0.56 27.72 20.50 5.20
Rochester 1999 22.58 4.33 2.92 2.09 0.57 16.75 12.00 3.24
Rochester 2000 28.93 4.37 2.41 1.97 0.06
Rochester 2001 34.75 4.48 2.18 1.93 0.50 19.21 17.01 4.42
Rochester 2002 29.60 4.50 2.12 1.90 0.50 15.91 14.31 3.75
Rochester 2003 30.49 4.52 1.79 1.79 0.37 13.81 13.84 2.89
Rochester 2004 36.84 4.53 1.90 1.39 0.38
Rochester 2005 35.48 4.60 2.05 1.34 0.41 18.50 12.04 3.71
Rochester 2006 37.69 4.67 1.68 1.18 0.45 16.14 11.37 4.55
Rochester 2007 26.98 4.72 1.93 1.448 0.62 13.16 10.21 4.17

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, Rochester 1987-2007

precipitation / ion deposition, Rochester 1987-2007