condition	mean	min	max
4 h after light	3.432389	2.903451	4.020508
8 h after light	7.936309	4.646253	13.54654
12 h after light	2.4994903333333336	1.9312900000000002	3.0370150000000002
16 h after light	7.771423333333333	6.492646	9.697892
4 h after dark	3.8547350000000002	3.080124	5.109165
8 h after dark	3.279318	1.627386	5.213847