condition	mean	min	max
4 h after light	7.786745	7.6241	7.94939
8 h after light	8.154699999999998	8.1048	8.2046
12 h after light	8.558710000000001	8.17008	8.94734
4 h after dark	8.540926666666667	8.02559	8.97653
8 h after dark	8.438286666666666	7.77642	9.16902
12 h after dark	7.738720000000001	7.51172	8.06628