condition mean min max 4 h after light 0.4084875 0.338863 0.478112 8 h after light 0.2865725 0.27669 0.296455 12 h after light 0.2696425 0.268945 0.27034 4 h after dark 0.594569 0.539339 0.649799 8 h after dark 0.4572815 0.352107 0.562456 12 h after dark 0.292946 0.29144 0.294452