condition	mean	min	max
4 h after light	5.680705	5.40045	5.96096
8 h after light	7.015635	6.71939	7.31188
12 h after light	6.6937549999999995	6.46328	6.92423
4 h after dark	9.022825000000001	7.95875	10.0869
8 h after dark	7.09827	6.40275	7.79379
12 h after dark	5.592905	5.21408	5.97173