As an example, consider a unit area of 1 square inch. At sea level, the weight of the air above this unit area would (on average) weigh 14.7 pounds! That means pressure applied by this air on the unit area would be 14.7 pounds per square inch.Meteorologists use a metric unit for pressure called a millibar and the average pressure at sea level is 1013.25 millibars.t sea level, the weight of the air above this unit area would (on average) weigh 14.7 pounds! That means pressure applied by this air on the unit area would be 14.7 pounds per square inch. Meteorologists use a metric unit for pressure called a millibar and the average pressure at sea level is 1013.25 millibars.
Troup, Texas. Troup is a city in Smith and Cherokee counties in the U.S. state of Texas. The population was 1,869 at the 2010 census. Troup lies in two counties as well as two core based statistical areas.
CALL FOR BIDS: Caliche and Rock bids June 2015. On August 21, 1876 Ochiltree County was created as a county 30 miles square. The county was named for William Beck Ochiltree, a Republic of Texas judge, secretary of treasury, and an officer in the army of the Confederacy. In 1879, having been marked off on the map with boundaries, it was attached to Wheeler County. It remained a part of Wheeler County until it was officially organized in 1889.