condition	mean	min	max
4 h after light	6.069696666666666	5.96899	6.157369999999999
8 h after light	6.0711933333333326	5.92545	6.3209599999999995
12 h after light	5.848023333333334	5.7335	5.91145
4 h after dark	6.0698	5.95351	6.17448
8 h after dark	6.19939	5.99538	6.43396
12 h after dark	6.081893333333333	5.8862	6.28756