condition	mean	min	max
4 h after light	6.083896666666667	5.82621	6.2824800000000005
8 h after light	5.98032	5.57341	6.32446
12 h after light	5.78581	5.5365	6.15491
4 h after dark	5.693596666666667	5.4709	6.02771
8 h after dark	5.92371	5.74198	6.0980099999999995
12 h after dark	6.21195	5.9877199999999995	6.44966