condition mean min max 4 h after light 92.4 92.4 92.4 8 h after light 100.4 87.3 113.5 12 h after light 117.2 79.6 154.8 4 h after dark 126.35 119.1 133.6 8 h after dark 103.65 83.9 123.4 12 h after dark 102.30000000000001 100.9 103.7