condition	mean	min	max
4 h after light	5.836153333333334	5.69855	6.01548
8 h after light	6.15195	5.78374	6.47993
12 h after light	5.68122	5.56542	5.7401800000000005
4 h after dark	5.713986666666667	5.58442	5.8612
8 h after dark	5.59825	5.44388	5.74908
12 h after dark	5.72096	5.56886	5.93671