condition	mean	min	max
4 h after light	1.463105	1.36113	1.56508
8 h after light	1.27271	1.09707	1.44835
12 h after light	0.8830875	0.778191	0.987984
4 h after dark	1.5022	1.17692	1.74822
8 h after dark	2.08604	1.18521	2.93192
12 h after dark	1.3628236666666667	0.483621	1.9152