condition mean min max 0 h after light 0.2088855 0.0 0.417771 2 h after light 0.0 0.0 0.0 4 h after light 0.0634 0.0 0.1268 8 h after light 0.066796 0.0 0.133592 12 h after light 0.0 0.0 0.0 2 h after dark 0.066588 0.0 0.133176 4 h after dark 0.0 0.0 0.0 8 h after dark 0.072749 0.0 0.145498 12 h after dark 0.0690415 0.0 0.138083