Climate and Radiation - From the NASA/Goddard Space Flight Center. Includes information about aerosols, clouds, rainfall, remote sensing, current projects, publications and personnel.
NCDC: Get/View OnLine Climate Data - Repository of U.S. weather observations and climate data, including maps, models, links and publications.
World Climate Data - Weather rainfall and temperature data with long-term monthly averages for over 20,000 weather stations worldwide.
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