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 0.03306825 0.0 0.0661365 4 h after dark 0.0 0.0 0.0 8 h after dark 0.002348526666666667 0.0 0.00704558 12 h after dark 0.0003317936666666667 0.0 0.000995381