condition mean min max 4 h after light 0.0633837 0.0 0.1013 8 h after light 0.04072066666666667 0.0 0.083098 12 h after light 0.0303988 0.0 0.0911964 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.044102866666666664 0.0 0.089503