condition	mean	min	max
4 h after light	10.1021395	9.774146	10.430133
8 h after light	8.8042485	8.211927	9.39657
12 h after light	9.5989325	8.91737	10.280495
4 h after dark	10.711145	10.508836	10.913454
8 h after dark	9.628126	8.90342	10.352832
12 h after dark	10.317018	10.317018	10.317018