condition	mean	min	max
3 h after light	2.452923333333333	0.0	7.35877
6 h after light	0.0	0.0	0.0
9 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
3 h after dark	0.0	0.0	0.0
6 h after dark	0.0	0.0	0.0
9 h after dark	1.3544833333333333	0.0	4.06345
12 h after dark	0.0	0.0	0.0