condition mean min max 3 h after light 0.8383573333333334 0.761488 0.919811 6 h after light 0.6739573333333333 0.352138 0.935446 9 h after light 0.6324963333333333 0.448484 0.771613 12 h after light 0.65420975 0.4615 0.88191 3 h after dark 0.6788223333333333 0.515126 0.801345 6 h after dark 0.30001 0.148346 0.409501 9 h after dark 0.392954 0.252292 0.665935 12 h after dark 0.07247725 0.0566833 0.0882712