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 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.016476466666666665 0.0 0.0494294 12 h after dark 0.08560166666666667 0.0 0.256805