1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, and 2005. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile represents the 22 year average monthly and annual measurements (kWh/m^2/day) of global horizontal irradiance (GHI) for the e... NASA Langley Atmospheric Sciences Data Center.
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1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile contains data for wind speed at 50 m above the surface of the Earth (m/s) These data are 10-year monthly and annual averages... NASA Langley Atmospheric Sciences Data Center.