condition	mean	min	max
4 h after light	10.514028	10.012964	11.015092
8 h after light	9.800004999999999	9.25413	10.34588
12 h after light	8.3604895	7.724871	8.996108
4 h after dark	8.843323999999999	8.303225	9.383423
8 h after dark	9.188287500000001	9.122445	9.25413
12 h after dark	8.968404	8.968404	8.968404