condition	mean	min	max
4 h after light	4.6	4.6	4.6
8 h after light	3.8	2.4	5.2
12 h after light	5.3	3.0	7.6
4 h after dark	6.4	6.3	6.5
8 h after dark	4.15	3.0	5.3
12 h after dark	6.35	3.8	8.9