What Is The Difference Between AWOS And ASOS?

What Is The Difference Between AWOS And ASOS? Whereas AWOS data typically includes ceiling and sky conditions, visibility, temperature, dew point, altimeter setting and wind speed, gusts and direction, ASOS can additionally provide the type and intensity of precipitation (rain, snow, freezing rain), and obstructions to visibility such as fog and haze. Is ASOS or