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	0.55364	0.0	1.10728
8 h after dark	0.2774455	0.0	0.554891
12 h after dark	0.0	0.0	0.0