condition mean min max 0 h after light 5.35315 0.0 10.7063 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 2.480045 0.0 4.96009 8 h after dark 5.493365000000001 5.39369 5.59304 12 h after dark 2.653995 0.0 5.30799