condition	mean	min	max
4 h after light	7.8689	6.77282	8.96498
8 h after light	8.577404999999999	7.97926	9.17555
12 h after light	8.59494	8.50494	8.68494
4 h after dark	10.447066666666666	10.2537	10.6771
8 h after dark	10.372966666666667	10.2568	10.5466
12 h after dark	9.129113333333333	8.41878	9.65624