condition mean min max 4 h after light 57.3 57.3 57.3 8 h after light 92.25 85.2 99.3 12 h after light 55.800000000000004 33.2 78.4 4 h after dark 44.95 14.7 75.2 8 h after dark 66.35 58.4 74.3 12 h after dark 52.849999999999994 19.1 86.6