condition mean min max 0 h after light 0.3997725 0.177923 0.621622 4 h after light 0.939828 0.612886 1.26677 8 h after light 0.5799585 0.527143 0.632774 4 h after dark 0.7427155000000001 0.700486 0.784945 8 h after dark 0.8790255 0.699681 1.05837 12 h after dark 0.3942485 0.354736 0.433761