condition	mean	min	max
4 h after light	0.0052464	0.0	0.0104928
8 h after light	0.00831445	0.0	0.0166289
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	0.00745202	0.0	0.0166921