condition mean min max 0 h after light 0.42052849999999997 0.269465 0.571592 4 h after light 2.113495 1.65753 2.56946 8 h after light 0.7086570000000001 0.698563 0.718751 4 h after dark 0.694966 0.627421 0.762511 8 h after dark 1.7297699999999998 1.5895 1.87004 12 h after dark 1.3215379999999999 0.705136 1.93794