condition	mean	min	max
4 h after light	8.08673	8.02393	8.14953
8 h after light	6.289555	6.19935	6.37976
12 h after light	5.438935	4.65205	6.22582
4 h after dark	7.003076666666667	6.81245	7.28253
8 h after dark	7.000746666666666	6.34974	7.45761
12 h after dark	7.1737633333333335	5.95225	7.79039