condition	mean	min	max
4 h after light	6.1352899999999995	4.85325	7.41733
8 h after light	5.141695	4.6658	5.61759
12 h after light	7.658415	6.91362	8.40321
4 h after dark	7.77147	7.68678	7.85616
8 h after dark	7.432155	7.19831	7.666
12 h after dark	7.222435	7.10588	7.33899