condition	mean	min	max
0 h after light	8.71616	8.58328	8.84904
4 h after light	4.015215	3.61511	4.41532
8 h after light	2.968495	2.96802	2.96897
4 h after dark	4.05982	3.7648	4.35484
8 h after dark	4.777145	4.05544	5.49885
12 h after dark	6.197155	3.989	8.40531