condition	mean	min	max
4 h after light	5.370056666666667	3.18111	7.16838
8 h after light	4.04231	1.39124	6.21112
12 h after light	4.29529	2.61535	6.34208
4 h after dark	6.6452	4.70115	8.30515
8 h after dark	7.104076666666667	4.0347	9.93878
12 h after dark	8.69844	7.18621	11.3388