condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.11297066666666666 0.0 0.338912 9 h after light 0.0 0.0 0.0 12 h after light 0.0469875 0.0 0.18795 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0