condition mean min max 4 h after light 44.2 44.2 44.2 8 h after light 69.05 43.1 95.0 12 h after light 95.5 77.0 114.0 4 h after dark 62.9 28.7 97.1 8 h after dark 79.45 38.6 120.3 12 h after dark 121.9 87.5 156.3