condition	mean	min	max
0 h after light	13.1869	12.6611	13.7127
4 h after light	3.090655	2.2983	3.88301
8 h after light	1.740485	1.60361	1.87736
4 h after dark	8.823455	7.62531	10.0216
8 h after dark	4.175605	3.52034	4.83087
12 h after dark	9.154735	7.90467	10.4048