condition mean min max 4 h after light 0.0614465 0.0 0.122893 8 h after light 0.027993 0.0 0.055986 12 h after light 0.0906034 0.0652428 0.115964 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03642 0.0 0.10926 12 h after dark 0.28957353333333335 0.0762776 0.567647