condition	mean	min	max
4 h after light	0.0204722	0.0	0.0409444
8 h after light	0.0	0.0	0.0
12 h after light	0.02041555	0.0	0.0408311
4 h after dark	0.03594635	0.0356884	0.0362043
8 h after dark	0.01788445	0.0	0.0357689
12 h after dark	0.0176072	0.0	0.0352144