condition	mean	min	max
4 h after light	5.618945	4.95936	6.27853
8 h after light	4.729985	4.05414	5.40583
12 h after light	6.1569199999999995	5.79687	6.51697
4 h after dark	7.86873	7.57324	8.17767
8 h after dark	8.202653333333332	7.64413	9.19756
12 h after dark	7.512076666666667	7.03148	7.93937