Government data access has changed in recent years. This guide describes means of obtaining government data on a variety of topics and from a variety of government offices.
"The USDA's National Agricultural Statistics Service (NASS) conducts hundreds of surveys...reports covering virtually every aspect of U.S. agriculture."
The Department of Defense provides a range of data such as Weather, GPS, and River Traffic. While this site includes some featured data, the great majority of the open data is in Data.gov
"The mission of the National Center for Health Statistics (NCHS) is to provide statistical information that will guide actions and policies to improve the health of the American people. As the Nation's principal health statistics agency, NCHS leads the way with accurate, relevant, and timely data."
The nation's leading provider of statistical data on the U.S. science and engineering enterprise. Explore their website for data on research and development, the science and engineering workforce, the condition and progress of STEM education, and U.S. competitiveness in science, engineering, technology, and R&D.
NCEI is the world’s largest provider of weather and climate data. Land-based, marine, model, radar, weather balloon, satellite, and paleoclimatic are just a few of the types of datasets available.