condition	mean	min	max
4 h after light	5.527305	4.24696	6.80765
8 h after light	7.774455	6.53259	9.01632
12 h after light	10.7387	10.6116	10.8658
4 h after dark	21.5807	18.6966	24.0656
8 h after dark	10.216936666666667	9.11431	11.492
12 h after dark	6.197736666666667	2.00711	9.03512