condition	mean	min	max
4 h after light	3.405645	2.87437	3.93692
8 h after light	0.6813675	0.553949	0.808786
12 h after light	0.314135	0.269289	0.358981
4 h after dark	0.9573986666666667	0.325749	1.59616
8 h after dark	8.676746666666666	8.28571	8.95062
12 h after dark	4.44226	3.30577	5.33509