condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.213062 0.0 0.426124 4 h after dark 0.5210846666666666 0.0 0.788893 8 h after dark 0.21194733333333335 0.0 0.635842 12 h after dark 0.033411666666666666 0.0 0.100235