condition mean min max 4 h after light 93.7 93.7 93.7 8 h after light 65.1 40.6 89.6 12 h after light 37.45 25.9 49.0 4 h after dark 29.450000000000003 19.7 39.2 8 h after dark 4.3999999999999995 1.7 7.1 12 h after dark 41.5 30.5 52.5