condition	mean	min	max
0 h after light	9.69393	9.35976	10.0281
4 h after light	7.360985	6.81207	7.9099
8 h after light	8.32726	7.97294	8.68158
4 h after dark	11.0426	10.7541	11.3311
8 h after dark	10.861515	9.97783	11.7452
12 h after dark	9.564695	9.49155	9.63784