condition	mean	min	max
4 h after light	3.2403649999999997	2.43535	4.04538
8 h after light	6.7760549999999995	6.47737	7.07474
12 h after light	7.68937	6.75045	8.62829
4 h after dark	8.787859999999998	8.08556	9.49016
8 h after dark	6.606565	6.48411	6.72902
12 h after dark	6.331225	5.88417	6.77828