condition	mean	min	max
4 h after light	6.4	6.4	6.4
8 h after light	5.199999999999999	4.8	5.6
12 h after light	6.0	5.7	6.3
4 h after dark	7.75	7.4	8.1
8 h after dark	6.449999999999999	3.7	9.2
12 h after dark	5.699999999999999	4.3	7.1