condition	mean	min	max
4 h after light	0.083873	0.0	0.167746
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.046203	0.0	0.138609
8 h after dark	0.0249523	0.0	0.0748569
12 h after dark	0.0	0.0	0.0