The average humidity during the year is listed here for the largest cities in the United States. The tables below give annual averages for the day along with morning and afternoon relative humidity levels.he average humidity during the year is listed here for the largest cities in the United States. The tables below give annual averages for the day along with morning and afternoon relative humidity levels.
Destroyer escort. A destroyer escort (DE) is the classification for a smaller, lightly armed warship designed to be used to escort convoys of merchant marine ships, primarily of the United States Merchant Marine in World War II.
Vice-Admiral Sir Baldwin Walker laid down destroyer duties for the Royal Navy: 1  Screening the advance of a fleet when hostile craft are about. 2  Searching a hostile coast along which a fleet might pass. 3  Watching an enemy's port for the purpose of harassing his craft and preventing their return. 4  Attacking an enemy fleet.