condition	mean	min	max
4 h after light	0.96972	0.0	1.93944
8 h after light	0.0	0.0	0.0
12 h after light	1.9191	0.0	3.8382
4 h after dark	0.850815	0.0	1.70163
8 h after dark	0.0	0.0	0.0
12 h after dark	0.82755	0.0	1.6551