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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.
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004. National Center for Ecological Analysis and Synthesis. This raster dataset shows the intensity of ultraviolet (UV) radiation reaching the surface of Earth from August 1996 to July 2004 as part of the GS... Science.