condition	mean	min	max
4 h after light	2.375845	0.0	4.75169
8 h after light	1.28901	0.0	2.57802
12 h after light	5.469305	4.70184	6.23677
4 h after dark	1.02741	0.0	2.05482
8 h after dark	2.050385	2.04132	2.05945
12 h after dark	0.85353	0.0	1.70706