Distance (m) | Noise Level (dB) | |||
Point North | Point South | Point East | Point West | |
1 | 112 | 98 | 97 | 98 |
2 | 108 | 96 | 94 | 94 |
3 | 103 | 93 | 92 | 91 |
4 | 100 | 91 | 90 | 89 |