condition mean min max 4 h after light 80.6 80.6 80.6 8 h after light 86.8 57.8 115.8 12 h after light 109.0 82.2 135.8 4 h after dark 81.3 73.6 89.0 8 h after dark 129.45 95.9 163.0 12 h after dark 109.69999999999999 83.3 136.1