For the second group of areas (which included 10 areas with valid data), the EPAâs analysis calculated an average across the areas of maximum monitor annual mean concentrations, averaged over 3 years, of 14.8 mg/ m 3 compared to an average of composite monitor concentrations of 14.2 mg/m 3 (Frank, 2012a, Table 3).
Updated February 24, 2017. The mean or average birth weight in the United States is about 3,389g or 7 lb, 7.5 oz. However, any birth weight of a term newborn between 5 lbs, 8 oz and 8 lbs, 13 oz is considered to be normal. Baby Birth Weight Statistics.
The average height of a North American adult female is 162 centimeters (5 feet 4 inches), and the average weight is 62 kilograms (137 pounds).. 1.62 m. (Female). In the 18th and 19th centuries, North American Indians and Europeans residing in that continent were the tallest in the world.he model predicts that adults born in 1820 achieved a mean adult height of 1.648 m; those born in 1952 reached 1.744 m; and those born in the year 200 are to reach on average an adult height of 1.783 m.