condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	1.1287233333333333	0.0	3.38617
8 h after dark	4.234933333333333	0.0	12.7048
12 h after dark	0.0	0.0	0.0