condition	mean	min	max
4 h after light	8.089679	8.048712	8.130646
8 h after light	7.35801	7.128433	7.587587
12 h after light	7.5822475	7.47292	7.691575
4 h after dark	7.3224765000000005	6.973863	7.67109
8 h after dark	7.639581	7.587587	7.691575
12 h after dark	8.28303	8.28303	8.28303