condition mean min max 4 h after light 4.966890666666667 4.158043 5.409866 8 h after light 4.572626 2.992557 6.838336999999999 12 h after light 5.795753666666666 3.725685 7.587256 16 h after light 7.092634 3.112518 12.276530000000001 4 h after dark 4.823310333333334 3.249518 6.333808 8 h after dark 2.996442666666667 1.487519 5.891565