condition mean min max 4 h after light 51.8 51.8 51.8 8 h after light 67.6 61.9 73.3 12 h after light 77.44999999999999 68.6 86.3 4 h after dark 102.7 38.9 166.5 8 h after dark 108.7 91.0 126.4 12 h after dark 59.849999999999994 51.1 68.6