Chapter 1 presents an introductory overview of surface weather observations. Chapter 2 discusses the surface weather observation program, types of observations, criteria for specials, general observing standards, and dissemination. Chapter 3 presents the certification and quality control standards. It discusses certification of observers and quality control performed on-site, and at remote locations. Chapter 4 defines the requirements for maintaining records of surface weather data. It discusses the types of records, preparation and maintenance of the Station Information File, types of...