condition	mean	min	max
3 h after light	3.381265	1.91823	5.26622
7 h after light	3.2634658333333335	1.5333	6.803
11 h after light	3.7413033333333336	1.51201	9.27494
2 h after dark	3.2295075833333335	0.765524	9.56461
6 h after dark	3.47736	1.45652	7.36126
10 h after dark	3.665684166666667	1.05304	9.30866