condition	mean	min	max
0 h after light	2.8387450000000003	2.56097	3.11652
4 h after light	2.392135	1.9536	2.83067
8 h after light	3.3796	3.25284	3.50636
4 h after dark	3.81682	3.5949	4.03874
8 h after dark	2.011435	1.94553	2.07734
12 h after dark	1.93119	1.87303	1.98935