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	0.0294301	0.0	0.0588602
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0122247	0.0	0.0244494