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Federal
Global Precipitation Climatology Project (GPCP) Climate Data Record (CDR), Version 2.3 (Monthly)
National Oceanic and Atmospheric Administration, Department of Commerce —
The Global Precipitation Climatology Project (GPCP) consists of monthly satellite-gauge and associated precipitation error estimates and covers the period January... -
Federal
U.S. Monthly Climate Normals (1981-2010)
National Oceanic and Atmospheric Administration, Department of Commerce —
The U.S. Monthly Climate Normals for 1981 to 2010 are 30-year averages of meteorological parameters for thousands of U.S. stations located across the 50 states, as...