Loudonville Air Monitoring Site Trends (1987-2007)
| Year | Precip. in |
pH | [SO4] ippm |
[NO3] ippm |
[NH4] ippm |
SO4 Dep. kg/ha |
NO3 Dep. kg/ha |
NH4 Dep. kg/ha |
|---|---|---|---|---|---|---|---|---|
| 1987 | 30.70 | 4.13 | 4.40 | 2.88 | 0.07 | |||
| 1988 | 30.36 | 4.22 | 3.02 | 1.98 | 0.30 | 23.28 | 15.28 | 2.30 |
| 1989 | 39.83 | 4.15 | 3.04 | 1.93 | 0.46 | 30.70 | 19.48 | 4.70 |
| 1990 | 41.05 | 4.21 | 2.24 | 1.53 | 0.23 | 23.30 | 15.92 | 2.43 |
| 1991 | 30.29 | 4.13 | 2.84 | 1.92 | 0.33 | 21.85 | 14.78 | 2.51 |
| 1992 | 26.74 | 4.19 | 2.79 | 2.10 | 0.37 | 18.98 | 14.24 | 2.52 |
| 1993 | 30.98 | 4.31 | 2.70 | 1.67 | 0.69 | 21.23 | 13.16 | 5.40 |
| 1994 | 32.47 | 4.27 | 3.08 | 2.08 | 0.68 | 25.42 | 17.16 | 5.58 |
| 1995 | 31.15 | 4.43 | 2.01 | 1.81 | 0.50 | 15.90 | 14.35 | 3.99 |
| 1996 | 46.11 | 4.35 | 2.03 | 1.76 | 0.45 | 23.71 | 20.58 | 5.30 |
| 1997 | 29.64 | 4.31 | 2.23 | 2.07 | 0.49 | 16.75 | 15.55 | 3.71 |
| 1998 | 29.69 | 4.36 | 2.57 | 2.00 | 0.42 | 19.41 | 15.05 | 3.14 |
| 1999 | 30.78 | 4.44 | 1.54 | 1.41 | 0.31 | 12.02 | 11.05 | 2.46 |
| 2000 | 43.33 | 4.40 | 1.62 | 1.55 | 0.35 | 17.83 | 17.03 | 3.84 |
| 2001 | 29.16 | 4.40 | 1.68 | 1.62 | 0.36 | 12.47 | 11.98 | 2.66 |
| 2002 | 35.66 | 4.44 | 1.81 | 1.52 | 0.34 | 16.38 | 13.81 | 3.12 |
| 2003 | 40.84 | 4.59 | 1.25 | 1.17 | 0.33 | 12.57 | 11.82 | 3.51 |
| 2004 | 42.35 | 4.61 | 1.41 | 1.32 | 0.40 | 15.19 | 14.18 | 4.31 |
| 2005 | 39.46 | 4.64 | 0.98 | 1.42 | 0.49 | 9.72 | 14.32 | 4.95 |
| 2006 | 41.29 | 4.65 | 1.32 | 0.84 | 0.28 | 14.08 | 8.92 | 2.96 |
| 2007 | 42.98 | 4.58 | 1.60 | 1.09 | 0.34 | 17.97 | 12.04 | 3.83 |
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.
