Speed (mph) | 1/3 OB Levels Modeled (dBA) | |||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
50.0 Hz | 63.0 Hz | 80.0 Hz | 100.0 Hz | 125.0 Hz | 160.0 Hz | 200.0 Hz | 250.0 Hz | 315.0 Hz | 400.0 Hz | 500.0 Hz | 630.0 Hz | 800.0 Hz | 1000.0 Hz | 1250.0 Hz | 1600.0 Hz | 2000.0 Hz | 2500.0 Hz | 3150.0 Hz | 4000.0 Hz | 5000.0 Hz | 6300.0 Hz | 8000.0 Hz | 10000.0 Hz | |
80 | 31.2 | 40.3 | 44.3 | 45.7 | 46.5 | 47.7 | 49.6 | 52.3 | 55.9 | 60 | 63.6 | 66.9 | 69.4 | 70.5 | 70.4 | 68.9 | 66.4 | 63.1 | 59.3 | 55.3 | 51.9 | 48.9 | 46.5 | 44.6 |
70 | 30.6 | 39.3 | 43.4 | 45 | 45.9 | 47 | 48.7 | 51.2 | 54.3 | 57.8 | 61.1 | 64.1 | 66.4 | 67.5 | 67.6 | 66.4 | 64.2 | 61.3 | 57.8 | 53.9 | 50.5 | 47.4 | 44.8 | 42.6 |
60 | 30 | 38.4 | 42.5 | 44.3 | 45.3 | 46.4 | 47.9 | 50 | 52.6 | 55.7 | 58.6 | 61.3 | 63.4 | 64.5 | 64.7 | 63.8 | 62 | 59.5 | 56.2 | 52.6 | 49.2 | 45.9 | 43 | 40.6 |
50 | 29.5 | 37.5 | 41.7 | 43.6 | 44.7 | 45.7 | 47 | 48.8 | 51 | 53.6 | 56.1 | 58.4 | 60.4 | 61.5 | 61.9 | 61.3 | 59.8 | 57.6 | 54.7 | 51.2 | 47.8 | 44.4 | 41.2 | 38.6 |
40 | 28.9 | 36.5 | 40.8 | 42.9 | 44.1 | 45.1 | 46.2 | 47.6 | 49.3 | 51.5 | 53.6 | 55.6 | 57.4 | 58.5 | 59 | 58.7 | 57.6 | 55.8 | 53.2 | 49.9 | 46.5 | 42.9 | 39.4 | 36.6 |
30 | 28.3 | 35.6 | 39.9 | 42.1 | 43.5 | 44.4 | 45.3 | 46.4 | 47.7 | 49.4 | 51 | 52.8 | 54.4 | 55.5 | 56.2 | 56.2 | 55.4 | 53.9 | 51.6 | 48.5 | 45.2 | 41.4 | 37.7 | 34.6 |
20 | 27.8 | 34.6 | 39 | 41.4 | 42.8 | 43.8 | 44.5 | 45.2 | 46.1 | 47.2 | 48.5 | 50 | 51.4 | 52.6 | 53.4 | 53.6 | 53.2 | 52.1 | 50.1 | 47.2 | 43.8 | 39.9 | 35.9 | 32.6 |
10 | 27.2 | 33.7 | 38.1 | 40.7 | 42.2 | 43.1 | 43.6 | 44 | 44.4 | 45.1 | 46 | 47.1 | 48.4 | 49.6 | 50.5 | 51.1 | 51 | 50.3 | 48.6 | 45.8 | 42.5 | 38.4 | 34.1 | 30.6 |