condition	mean	min	max
4 h after light	0.156881	0.0	0.470643
8 h after light	0.0	0.0	0.0
12 h after light	2.74304	1.06937	4.23702
4 h after dark	1.1119186666666667	0.473056	1.80082
8 h after dark	0.7228920000000001	0.0	1.77489
12 h after dark	0.0	0.0	0.0