condition	mean	min	max
4 h after light	2.677965	0.0	5.35593
8 h after light	2.186625	0.0	4.37325
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	1.16973	0.0	2.33946
12 h after dark	0.0	0.0	0.0