condition mean min max 4 h after light 5.2 5.2 5.2 8 h after light 31.700000000000003 28.8 34.6 12 h after light 5.0 4.0 6.0 4 h after dark 5.7 2.5 8.9 8 h after dark 13.549999999999999 7.2 19.9 12 h after dark 7.75 5.2 10.3