condition mean min max 4 h after light 58.7 58.7 58.7 8 h after light 70.65 52.7 88.6 12 h after light 83.25 41.3 125.2 4 h after dark 186.2 137.6 234.8 8 h after dark 151.0 110.8 191.2 12 h after dark 107.55000000000001 59.3 155.8