condition mean min max 4 h after light 103.6 103.6 103.6 8 h after light 86.4 32.3 140.5 12 h after light 87.44999999999999 75.1 99.8 4 h after dark 70.45 43.6 97.3 8 h after dark 88.9 77.6 100.2 12 h after dark 79.5 75.5 83.5