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 0.016456266666666667 0.0 0.0493688 12 h after dark 0.0098484 0.0 0.0295452