condition mean min max 0 h after light 7.023785 5.71104 8.33653 2 h after light 6.394475 5.95603 6.83292 4 h after light 8.63822 5.39034 11.8861 8 h after light 5.07996 3.89852 6.2614 12 h after light 4.826815 4.32547 5.32816 2 h after dark 2.832925 2.54491 3.12094 4 h after dark 4.4531 4.37045 4.53575 8 h after dark 3.759955 3.4097 4.11021 12 h after dark 4.372 3.89011 4.85389