HEATKEYS

Find and compare average monthly and annual rainfall (precipitation) in inches throughout all the major cities in the United States. Data from NOAA.

National Weather Service Home page. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the weather, and information about meteorology.

Research news and science facts. Articles summarizing science research on technology, shopping, recreation, environment, wildlife and more.

The Weather Channel and weather.com provide a national and local weather forecast for cities, as well as weather radar, report and hurricane coverage.

Free and open access to the world’s most comprehensive collection of data on developing economies. Browse, map, graph, or download data by country, topic on over 4,000 indicators. Available in English, Spanish, French, and Arabic.

Over 80,000 climate and historical weather records for over 20,000 weather stations worldwide

U.S. National Park Service - Experience Your America

The official website for NASA Precipitation Measurement Missions. These missions study rainfall and other types precipitation around the globe. The Global Precipitation Measurement (GPM) mission will provide a new generation of satellite observations...

Find a comprehensive guide to Washington DC and the surrounding communities of Maryland and Northern Virginia. Find tips for travel planning to the Washington, DC capital region, including information on lodging, dining, entertainment and sightseein...