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	2.665653333333333	0.0	6.06578
4 h after dark	1.1287233333333333	0.0	3.38617
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0