condition mean min max 0 h after light 1.1120295 0.972049 1.25201 4 h after light 1.0497415 0.684563 1.41492 8 h after light 1.921795 1.51123 2.33236 4 h after dark 2.5958449999999997 2.32766 2.86403 8 h after dark 1.85525 1.57279 2.13771 12 h after dark 0.925502 0.901405 0.949599