condition	mean	min	max
0 h after light	5.943875	5.49192	6.39583
4 h after light	5.41791	5.40509	5.43073
8 h after light	11.93995	8.0607	15.8192
4 h after dark	12.58695	12.1622	13.0117
8 h after dark	9.559660000000001	8.62082	10.4985
12 h after dark	6.902794999999999	5.47478	8.33081