condition	mean	min	max
4 h after light	4.60001	4.09597	5.10405
8 h after light	4.61054	4.47283	4.74825
12 h after light	4.782195	4.34678	5.21761
4 h after dark	4.235613333333333	4.14359	4.32488
8 h after dark	5.036746666666667	4.78992	5.3576
12 h after dark	4.08028	3.76556	4.6033