condition	mean	min	max
3 h after light	1.6103666666666667	0.0	4.8311
6 h after light	0.0	0.0	0.0
9 h after light	0.0	0.0	0.0
12 h after light	3.65571	2.88382	4.11647
3 h after dark	0.0	0.0	0.0
6 h after dark	0.0	0.0	0.0
9 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0