condition	mean	min	max
4 h after light	1.291105	1.05569	1.52652
8 h after light	1.201985	1.1993	1.20467
12 h after light	1.39276	1.27502	1.5105
4 h after dark	2.373465	1.82637	2.92056
8 h after dark	2.326345	2.10647	2.54622
12 h after dark	2.08786	1.81591	2.35981