condition	mean	min	max
4 h after light	5.294036666666667	4.04915	6.04482
8 h after light	1.1855136666666666	0.515521	1.57249
12 h after light	1.412388	0.672244	2.16956
4 h after dark	4.2736833333333335	3.32128	5.55785
8 h after dark	13.4408	11.4022	14.9589
12 h after dark	19.514499999999998	17.3663	21.8482