condition	mean	min	max
4 h after light	4.788895	3.59458	5.98321
8 h after light	1.961055	1.95278	1.96933
12 h after light	0.945808	0.920294	0.971322
4 h after dark	0.8642015000000001	0.717713	1.01069
8 h after dark	0.7110240000000001	0.702837	0.719211
12 h after dark	1.281625	1.23661	1.32664