condition	mean	min	max
4 h after light	0.051859	0.0	0.103718
8 h after light	0.0	0.0	0.0
12 h after light	0.0517155	0.0	0.103431
4 h after dark	0.045202	0.0	0.090404
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0446016	0.0	0.0892032