condition	mean	min	max
0 h after light	0.0198513	0.0	0.0397026
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
4 h after dark	0.0390005	0.0389236	0.0390774
8 h after dark	0.01951625	0.0	0.0390325
12 h after dark	0.01978935	0.0	0.0395787