condition mean min max 0 h after light 0.4343015 0.28919 0.579413 4 h after light 0.194853 0.095042 0.294664 8 h after light 0.0 0.0 0.0 4 h after dark 0.142011 0.0 0.284022 8 h after dark 0.5253645 0.284817 0.765912 12 h after dark 0.0470852 0.0 0.0941704