Downwelling vector irradiance as energy standard deviation of electromagnetic radiation (solar (300-3000nm) wavelengths) in the atmosphere by starboard-mounted pyranometer Starboard_solar_SD The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement. 2019-06-04 17:32:45.0 SDN:P01::CSLRSDS1 SDN:P01::CSLRSDS1 SDN:P01::CSLRSDS1 4 4 2019-06-04 17:32:45.0 accepted false