condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.313048 0.204146 0.42195 8 h after light 0.0 0.0 0.0 4 h after dark 0.1020795 0.0 0.204159 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0