condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 2.52496 0.0 5.04992 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 2.67766 0.0 5.35532 12 h after dark 0.0 0.0 0.0