condition	mean	min	max
4 h after light	0.525075	0.298379	0.751771
8 h after light	0.956046	0.815742	1.09635
12 h after light	0.3790125	0.297553	0.460472
4 h after dark	1.32989	1.09932	1.56046
8 h after dark	0.767493	0.716823	0.818163
12 h after dark	0.436673	0.360102	0.513244