condition	mean	min	max
4 h after light	5.77991	5.76168	5.79814
8 h after light	6.906705	6.69537	7.11804
12 h after light	6.13015	6.11429	6.14601
4 h after dark	7.526585	7.27804	7.77513
8 h after dark	7.704915	7.61556	7.79427
12 h after dark	7.606885	7.46263	7.75114