condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.07601466666666666 0.0 0.228044 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.05828266666666667 0.0 0.174848