condition	mean	min	max
2 h after light	0.0	0.0	0.0
6 h after light	0.0	0.0	0.0
10 h after light	0.0	0.0	0.0
14 h after light	0.0	0.0	0.0
18 h after light	0.0	0.0	0.0
2 h after dark	0.047745	0.0	0.28647