condition	mean	min	max
4 h after light	0.0109053	0.0	0.0327159
8 h after light	0.0	0.0	0.0
12 h after light	0.016950066666666666	0.0	0.0508502
4 h after dark	0.08734666666666667	0.0	0.168313
8 h after dark	0.0	0.0	0.0
12 h after dark	0.012324933333333335	0.0	0.0369748