The Atmosphere

Air and Air Pressure

What are the most extreme barometer readings ever measured?

On December 29, 2004, a barometer reading of 32.25 inches of mercury was taken at Tonsontsengel, Mongolia—a world record. At the other extreme, a reading of 25.63 inches was recorded on October 12, 1979, in the Philippines within the eye of Typhoon Tip.


This is a web preview of the "The Handy Weather Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App