condition	mean	min	max
0 h after light	9.688675	8.53455	10.8428
4 h after light	12.97435	12.2176	13.7311
8 h after light	6.606005	6.58962	6.62239
4 h after dark	3.50708	2.89045	4.12371
8 h after dark	6.202245	5.69209	6.7124
12 h after dark	6.881825	6.65163	7.11202