condition mean min max 4 h after light 55.6 55.6 55.6 8 h after light 50.4 43.5 57.3 12 h after light 119.35000000000001 98.4 140.3 4 h after dark 122.05000000000001 119.7 124.4 8 h after dark 127.25 108.5 146.0 12 h after dark 99.35 88.6 110.1