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 | 33.9 | 43.5 | 48.5 | 50.9 | 52.3 | 53.8 | 55.5 | 57.7 | 60.5 | 63.7 | 66.7 | 69.5 | 71.7 | 72.9 | 73.1 | 72.1 | 70.2 | 67.5 | 64 | 60 | 56.3 | 52.9 | 50.1 | 48.4 |
70 | 33.5 | 42.6 | 47.5 | 49.6 | 50.9 | 52.1 | 53.5 | 55.4 | 57.9 | 60.7 | 63.4 | 65.8 | 67.7 | 68.7 | 68.9 | 68 | 66.2 | 63.6 | 60.4 | 56.8 | 53.4 | 50.1 | 47.3 | 45.1 |
60 | 33.1 | 41.8 | 46.4 | 48.4 | 49.4 | 50.4 | 51.6 | 53.2 | 55.3 | 57.7 | 60 | 62.1 | 63.8 | 64.6 | 64.7 | 63.8 | 62.1 | 59.8 | 56.9 | 53.6 | 50.5 | 47.3 | 44.4 | 41.8 |
50 | 32.7 | 41 | 45.3 | 47.1 | 48 | 48.8 | 49.7 | 51 | 52.7 | 54.8 | 56.7 | 58.5 | 59.8 | 60.5 | 60.5 | 59.6 | 58.1 | 56 | 53.4 | 50.4 | 47.5 | 44.6 | 41.5 | 38.5 |
40 | 32.3 | 40.2 | 44.2 | 45.9 | 46.6 | 47.1 | 47.8 | 48.8 | 50.1 | 51.8 | 53.4 | 54.8 | 55.9 | 56.4 | 56.3 | 55.4 | 54 | 52.1 | 49.8 | 47.2 | 44.6 | 41.8 | 38.7 | 35.3 |
30 | 31.9 | 39.4 | 43.2 | 44.6 | 45.1 | 45.4 | 45.8 | 46.5 | 47.6 | 48.8 | 50.1 | 51.2 | 52 | 52.3 | 52 | 51.2 | 49.9 | 48.3 | 46.3 | 43.9 | 41.6 | 39 | 35.8 | 32 |
20 | 31.4 | 38.6 | 42.1 | 43.4 | 43.7 | 43.8 | 43.9 | 44.3 | 45 | 45.9 | 46.7 | 47.5 | 48 | 48.1 | 47.8 | 47 | 45.9 | 44.5 | 42.7 | 40.7 | 38.7 | 36.2 | 32.9 | 28.7 |
10 | 31 | 37.8 | 41 | 42.1 | 42.3 | 42.1 | 42 | 42.1 | 42.4 | 42.9 | 43.4 | 43.9 | 44.1 | 44 | 43.6 | 42.8 | 41.8 | 40.6 | 39.2 | 37.5 | 35.7 | 33.4 | 30.1 | 25.4 |