condition	mean	min	max
4 h after light	6.65613	5.88419	7.42807
8 h after light	8.698955	8.1649	9.23301
12 h after light	7.197895	6.57032	7.82547
4 h after dark	8.223756666666667	7.49196	8.85687
8 h after dark	6.31583	5.92848	6.61478
12 h after dark	6.989613333333333	6.53919	7.38875