condition	mean	min	max
4 h after light	6.17633	5.87655	6.47611
8 h after light	13.7805	13.2147	14.3463
12 h after light	36.90955	33.3768	40.4423
4 h after dark	20.03046666666667	19.5116	20.5011
8 h after dark	10.03194	9.70462	10.2569
12 h after dark	8.741656666666666	8.50533	8.88666