condition	mean	min	max
0 h after light	9.24124	9.02611	9.45637
4 h after light	5.8007	5.77433	5.82707
8 h after light	5.79208	4.69923	6.88493
4 h after dark	10.61175	10.3535	10.87
8 h after dark	8.95614	7.80118	10.1111
12 h after dark	7.823865	7.63781	8.00992