condition mean min max 3 h after light 8.4745 5.34536 16.395 7 h after light 8.533619166666666 3.69398 27.7173 11 h after light 6.422545833333333 1.96505 12.1617 2 h after dark 9.0712175 3.38044 23.9181 6 h after dark 6.966504166666667 3.66825 11.4601 10 h after dark 5.924780833333333 3.28551 14.8126