A runny nose. Constant clear and watery nasal discharge from the nose is usually the first complaint. If allergies are the cause of the runny nose then itchiness of the nose and eyes will also be present. A runny nose also commonly results in a stuffy congested feeling in the nose.
by Guest Writer Jenni Worboys. A barometer is a widely used weather instrument that measures atmospheric pressure (also known as air pressure or barometric pressure) - the weight of the air in the atmosphere.
A barometer is an instrument used to measure air pressure and track weather systems. The most common unit of measurement used in barometers is the millibar (mb).1  What Is a High or Low Reading in Barometric Pressure?2  How to Adjust the Altitude for a Barometer.he two types of barometers are mercury and aneroid. In a mercury barometer, millibars measure how high the mercury column climbs a vertical glass tube. Aneroid barometers donât use liquid of any kind, instead employing a flexible-walled evacuated capsule.