condition	mean	min	max
4 h after light	4.7691300000000005	4.52353	5.01473
8 h after light	3.5221	1.10807	5.93613
12 h after light	5.32096	4.05991	6.58201
4 h after dark	9.951170000000001	6.70284	13.1995
8 h after dark	9.146035000000001	8.89141	9.40066
12 h after dark	8.01568	7.86136	8.17