condition	mean	min	max
4 h after light	4.141263333333333	4.13165	4.15337
8 h after light	4.16572	4.10639	4.22546
12 h after light	4.364296666666667	4.160019999999999	4.698180000000001
4 h after dark	4.25232	4.21472	4.2918199999999995
8 h after dark	4.2098233333333335	3.9426099999999997	4.48707
12 h after dark	4.281626666666667	4.09537	4.53151