condition mean min max 4 h after light 102.0 102.0 102.0 8 h after light 88.4 88.3 88.5 12 h after light 110.55000000000001 107.4 113.7 4 h after dark 103.80000000000001 103.7 103.9 8 h after dark 113.25 110.7 115.8 12 h after dark 114.85 99.3 130.4