condition mean min max 0 h after light 3.895755 3.84034 3.95117 4 h after light 0.992715 0.71634 1.26909 8 h after light 0.735131 0.308062 1.1622 4 h after dark 0.409363 0.0 0.818726 8 h after dark 0.30796199999999996 0.30667 0.309254 12 h after dark 2.939455 1.31815 4.56076