condition	mean	min	max
4 h after light	4.01659	0.0	8.03318
8 h after light	0.0	0.0	0.0
12 h after light	4.00548	0.0	8.01096
4 h after dark	1.166995	0.0	2.33399
8 h after dark	1.169625	0.0	2.33925
12 h after dark	2.12099	1.93899	2.30299