The five cerulean five-pointed stars arranged in an X pattern centered in the white band represent the five nations of the former Federal Republic of Central America (El Salvador, Costa Rica, Nicaragua, Honduras, and Guatemala) and the hope that the nations may form a union again.
Wind Deflectors let you enjoy cool, fresh air without all the noise and swirling winds, so you don't have to be so quick to crank up the air conditioner. Plus, deflectors improve your vehicle's open-window aerodynamics, cutting down on drag for a more efficient ride.
In most situations that we encounter, the residents are much closer to the noise source, and the affects of wind, humidity, and temperature are insignificant. That said, there are other ways that the weather can alter a sound reading, even if the measurement location is only a few hundred feet from the noise source. Wind rustling leaves can change the measurements, unless it is winter time and the trees are bare.