condition mean min max 4 h after light 140.5 140.5 140.5 8 h after light 161.7 140.5 182.9 12 h after light 100.35 59.0 141.7 4 h after dark 91.05000000000001 86.9 95.2 8 h after dark 98.35000000000001 59.4 137.3 12 h after dark 82.85 80.5 85.2