condition	mean	min	max
4 h after light	4.808455	4.52953	5.08738
8 h after light	4.093555	3.99848	4.18863
12 h after light	5.67303	5.41409	5.93197
4 h after dark	9.04003	8.66175	9.41831
8 h after dark	8.046615	7.70252	8.39071
12 h after dark	6.7179	6.50056	6.93524