condition mean min max 3 h after light 3.2689466666666664 2.57825 4.35101 6 h after light 3.12326 1.7652 4.10306 9 h after light 4.608176666666667 3.49714 5.78999 12 h after light 6.104595 5.04501 7.56144 3 h after dark 4.915416666666666 4.48049 5.40722 6 h after dark 3.95769 3.67047 4.20024 9 h after dark 3.2085500000000002 1.69763 4.19943 12 h after dark 2.976795 2.67749 3.2761