condition	mean	min	max
4 h after light	2.76079	1.75044	3.41014
8 h after light	2.654246	0.753538	4.847
12 h after light	3.2869099999999998	1.75933	5.2105
4 h after dark	5.07381	4.19278	5.74951
8 h after dark	5.867043333333333	4.08322	6.84533
12 h after dark	4.401773333333334	3.93238	4.95356