condition	mean	min	max
4 h after light	6.551825	4.60473	8.49892
8 h after light	10.65006	9.98772	11.3124
12 h after light	15.9514	15.7282	16.1746
4 h after dark	9.485683333333334	8.93448	9.90692
8 h after dark	5.37895	4.97716	5.73422
12 h after dark	6.699743333333333	5.92591	8.06469