condition	mean	min	max
4 h after light	1.649675	1.48307	1.81628
8 h after light	1.231355	1.12912	1.33359
12 h after light	1.4879	1.36579	1.61001
4 h after dark	4.49956	3.40293	5.59619
8 h after dark	2.975765	2.95852	2.99301
12 h after dark	2.22576	2.01822	2.4333