condition	mean	min	max
4 h after light	5.9467099999999995	5.81367	6.0931
8 h after light	5.750636666666667	5.60035	5.8554699999999995
12 h after light	6.045796666666667	5.93842	6.1386400000000005
4 h after dark	5.880263333333334	5.56246	6.09083
8 h after dark	6.00406	5.8548	6.08206
12 h after dark	6.0672266666666665	5.9698	6.1161900000000005