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 | 32.6 | 42.1 | 46.7 | 48.6 | 49.6 | 50.8 | 52.5 | 54.9 | 58 | 61.7 | 65.1 | 68.4 | 70.9 | 72.3 | 72.7 | 71.6 | 69.6 | 66.6 | 62.8 | 58.5 | 54.7 | 51.3 | 48.8 | 47.5 |
70 | 31.4 | 40.3 | 44.7 | 46.5 | 47.5 | 48.7 | 50.3 | 52.5 | 55.4 | 58.8 | 61.9 | 64.8 | 67.2 | 68.4 | 68.7 | 67.7 | 65.8 | 63 | 59.5 | 55.6 | 52 | 48.7 | 45.9 | 44.1 |
60 | 30.3 | 38.5 | 42.7 | 44.4 | 45.4 | 46.6 | 48.1 | 50.1 | 52.8 | 55.8 | 58.7 | 61.3 | 63.4 | 64.5 | 64.7 | 63.8 | 62 | 59.5 | 56.3 | 52.7 | 49.3 | 46 | 43.1 | 40.7 |
50 | 29.1 | 36.7 | 40.6 | 42.3 | 43.3 | 44.4 | 45.8 | 47.8 | 50.2 | 52.9 | 55.5 | 57.8 | 59.6 | 60.6 | 60.7 | 59.9 | 58.2 | 55.9 | 53 | 49.7 | 46.5 | 43.4 | 40.2 | 37.3 |
40 | 27.9 | 34.9 | 38.6 | 40.2 | 41.2 | 42.3 | 43.6 | 45.4 | 47.5 | 50 | 52.3 | 54.3 | 55.9 | 56.7 | 56.7 | 55.9 | 54.5 | 52.4 | 49.8 | 46.8 | 43.8 | 40.7 | 37.4 | 33.9 |
30 | 26.7 | 33.2 | 36.5 | 38.1 | 39.1 | 40.2 | 41.4 | 43 | 44.9 | 47.1 | 49 | 50.8 | 52.1 | 52.8 | 52.8 | 52 | 50.7 | 48.8 | 46.5 | 43.8 | 41.1 | 38 | 34.5 | 30.5 |
20 | 25.5 | 31.4 | 34.5 | 36 | 37 | 38 | 39.2 | 40.6 | 42.3 | 44.2 | 45.8 | 47.3 | 48.4 | 48.8 | 48.8 | 48.1 | 46.9 | 45.3 | 43.3 | 40.9 | 38.3 | 35.4 | 31.7 | 27.2 |
10 | 24.3 | 29.6 | 32.5 | 33.9 | 34.9 | 35.9 | 36.9 | 38.2 | 39.7 | 41.2 | 42.6 | 43.8 | 44.6 | 44.9 | 44.8 | 44.2 | 43.1 | 41.8 | 40 | 37.9 | 35.6 | 32.7 | 28.8 | 23.8 |