condition	mean	min	max
4 h after light	2.371445	0.0	4.74289
8 h after light	1.93634	0.0	3.87268
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	3.43441	0.0	6.86882