condition mean min max 4 h after light 173.5623605 160.30898 186.815741 8 h after light 160.3908045 134.715024 186.066585 12 h after light 211.0877655 174.635782 247.539749 4 h after dark 187.3928035 157.764523 217.021084 8 h after dark 201.7029795 173.299731 230.106228 12 h after dark 220.532428 220.532428 220.532428