condition	mean	min	max
4 h after light	10.4	10.4	10.4
8 h after light	9.850000000000001	6.9	12.8
12 h after light	9.15	9.0	9.3
4 h after dark	6.0	4.7	7.3
8 h after dark	8.0	6.6	9.4
12 h after dark	7.65	6.2	9.1