During the night, thanks to the absence of the sunshine and thanks to that caused rapid cooling of some layers in the atmosphere creates a very sharply defined interface of cold and warm air, od kterého se zvuk velmi výrazně odráží. Not only a temperature difference, but also with significant differences in pressure, humidity and dew point.
Wakati wa usiku, shukrani kwa ukosefu wa mwanga wa jua na shukrani Hiyo Husababishwa haraka baridi ya tabaka fulani katika anga Feed interface sana kasi ya hewa baridi defined na joto ambayo sound sana huonyesha kwamba. Si tu tofauti joto, lakini pia na tofauti Muhimu katika hatua shinikizo, unyevu na umande.