condition	mean	min	max
4 h after light	2.80571	2.60836	3.00306
8 h after light	2.296345	2.29618	2.29651
12 h after light	1.83735	1.67097	2.00373
4 h after dark	3.013846666666667	2.84717	3.22071
8 h after dark	3.7405266666666668	3.51647	3.92473
12 h after dark	3.6126300000000002	3.40312	3.73457