condition	mean	min	max
0 h after light	0.0219724	0.0	0.0439448
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
4 h after dark	0.021665	0.0	0.04333
8 h after dark	0.0216401	0.0	0.0432802
12 h after dark	0.0	0.0	0.0