condition	mean	min	max
4 h after light	4.204305	2.80136	5.60725
8 h after light	5.03571	4.89305	5.17837
12 h after light	6.25774	5.76425	6.75123
4 h after dark	9.65969	8.73848	10.5809
8 h after dark	6.249515000000001	5.72726	6.77177
12 h after dark	6.20851	6.19061	6.22641