condition	mean	min	max
4 h after light	0.227942	0.0	0.455884
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.194524	0.0	0.389048