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Federal
Meteorological Data (including visibility) recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Ocean Service (NOS) maintains a long-term database containing data from active and historic stations installed all over the United States and U.S.... -
Federal
Surface Radiation Budget (SURFRAD) Network 1-Hour Observations recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Radiation measurements at SURFRAD stations cover the range of the electromagnetic spectrum that affects the earth/atmosphere system. Direct solar radiation is...