condition	mean	min	max
4 h after light	3.527615	2.78399	4.27124
8 h after light	7.6537749999999996	7.5514	7.75615
12 h after light	6.0045	5.6414	6.3676
4 h after dark	4.64299	4.54993	4.78425
8 h after dark	5.734586666666667	5.27331	6.02727
12 h after dark	3.69008	3.44109	3.88374