condition	mean	min	max
4 h after light	0.017014	0.0	0.034028
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	0.01461835	0.0	0.0292367
12 h after dark	0.0	0.0	0.0