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	0.1277377	0.0	0.299523
8 h after dark	0.1770427	0.0893001	0.237639
12 h after dark	0.0	0.0	0.0