condition	mean	min	max
4 h after light	5.0	5.0	5.0
8 h after light	6.4	5.9	6.9
12 h after light	7.2	6.1	8.3
4 h after dark	5.5	4.5	6.5
8 h after dark	6.199999999999999	5.8	6.6
12 h after dark	8.05	5.5	10.6