condition	mean	min	max
4 h after light	6.2074	6.03273	6.296069999999999
8 h after light	5.4958833333333335	5.357069999999999	5.58209
12 h after light	5.77235	5.55591	6.033980000000001
4 h after dark	6.02207	5.94024	6.1678
8 h after dark	8.198726666666667	7.73906	8.54274
12 h after dark	9.29782	8.94988	9.54322