condition	mean	min	max
4 h after light	4.7139299999999995	3.47752	5.95034
8 h after light	3.6374649999999997	3.27598	3.99895
12 h after light	7.0678350000000005	6.89093	7.24474
4 h after dark	14.977833333333333	14.6851	15.552
8 h after dark	13.088333333333333	12.1812	14.2312
12 h after dark	5.512076666666666	4.42936	6.54408