condition	mean	min	max
4 h after light	0.6416606666666667	0.346053	0.847012
8 h after light	0.5542649000000001	0.0886337	1.0102
12 h after light	0.488937	0.251413	0.690523
4 h after dark	0.9416840000000001	0.473932	1.31163
8 h after dark	0.9242686666666666	0.476466	1.16969
12 h after dark	0.8954856666666667	0.703681	1.19144