condition	mean	min	max
4 h after light	0.0460295	0.0	0.092059
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.040923	0.0	0.122769
12 h after dark	0.014284833333333332	0.0	0.0428545