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	0.0	0.0	0.0
4 h after dark	0.03132015	0.0	0.0626403
8 h after dark	0.01547175	0.0	0.0309435
12 h after dark	0.0	0.0	0.0