condition mean min max 4 h after light 63.6 63.6 63.6 8 h after light 102.6 73.8 131.4 12 h after light 82.0 67.4 96.6 4 h after dark 119.25 76.9 161.6 8 h after dark 70.6 54.9 86.3 12 h after dark 58.599999999999994 52.9 64.3