condition mean min max 0 h after light 0.03451675 0.0 0.0690335 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.06886 0.0 0.13772 8 h after dark 0.03743965 0.0 0.0748793 12 h after dark 0.03543475 0.0 0.0708695