condition	mean	min	max
4 h after light	0.0163421	0.0119952	0.020689
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.018661	0.0	0.055983
12 h after dark	0.0	0.0	0.0