condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.03139395	0.0	0.0627879
4 h after dark	0.0	0.0	0.0
8 h after dark	0.01036665	0.0	0.0207333
12 h after dark	0.0	0.0	0.0