condition	mean	min	max
3 h after light	0.0	0.0	0.0
6 h after light	0.0	0.0	0.0
9 h after light	0.0	0.0	0.0
12 h after light	4.27474	0.0	6.5308
3 h after dark	0.0	0.0	0.0
6 h after dark	0.0	0.0	0.0
9 h after dark	3.7250333333333336	0.0	11.1751
12 h after dark	0.0	0.0	0.0