condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	7.550000000000001	6.8	8.3
12 h after light	6.4	4.3	8.5
4 h after dark	5.05	5.0	5.1
8 h after dark	5.95	5.7	6.2
12 h after dark	4.15	2.2	6.1