condition	mean	min	max
4 h after light	2.933835	1.54095	4.32672
8 h after light	0.0	0.0	0.0
12 h after light	3.785675	2.29709	5.27426
4 h after dark	2.168203333602	8.06e-10	3.99177
8 h after dark	0.8899944533333333	0.0	2.66998
12 h after dark	2.51093	0.0	5.01047