condition mean min max 0 h after light 6.65408 6.37959 6.92857 2 h after light 2.4271000000000003 2.31883 2.53537 4 h after light 2.560485 2.40929 2.71168 8 h after light 3.3159549999999998 2.74032 3.89159 12 h after light 4.09451 3.74236 4.44666 2 h after dark 6.554795 6.19296 6.91663 4 h after dark 6.73696 6.41985 7.05407 8 h after dark 9.329339999999998 8.06458 10.5941 12 h after dark 7.986935 7.47659 8.49728