condition	mean	min	max
4 h after light	9.4	9.4	9.4
8 h after light	6.15	4.2	8.1
12 h after light	8.0	8.0	8.0
4 h after dark	6.3999999999999995	4.1	8.7
8 h after dark	5.5	5.1	5.9
12 h after dark	5.949999999999999	5.8	6.1