condition mean min max 4 h after light 137.6 137.6 137.6 8 h after light 208.4 146.7 270.1 12 h after light 202.65 191.5 213.8 4 h after dark 156.89999999999998 141.1 172.7 8 h after dark 151.5 139.5 163.5 12 h after dark 153.55 146.8 160.3