condition	mean	min	max
4 h after light	5.301355	4.87	5.73271
8 h after light	3.330565	2.92346	3.73767
12 h after light	2.263455	1.93772	2.58919
4 h after dark	2.25708	1.97814	2.69299
8 h after dark	4.935686666666666	3.0766	7.18794
12 h after dark	3.67507	1.18565	6.57346