condition	mean	min	max
4 h after light	4.620975	4.40274	4.83921
8 h after light	3.857125	3.44428	4.26997
12 h after light	2.526975	2.51103	2.54292
4 h after dark	1.9972133333333333	1.94983	2.05072
8 h after dark	3.27976	2.97047	3.60295
12 h after dark	5.469636666666666	5.32634	5.73297