Maybe it’s just me? If it’s not, why is that?
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Certain weather conditions in the evening (as the ground cools) lead to a cool layer of air below a warmer layer. This creates a “tunnel” effect by which the sound waves bounce down off the upper layers and thus travel further, making it sound louder than it would do during the day.
For example:
https://www.keyc.com/2019/08/01/refraction-sound-waves-why-you-can-hear-your-neighbors-across-lake-better-night/
It doesn’t always happen but I do notice the traffic noise from our nearby main road more at night. But also it’s quieter in general so maybe I just noticed it more!
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