condition	mean	min	max
4 h after light	9.713316666666667	9.461730000000001	10.10024
8 h after light	10.30326	10.14166	10.523539999999999
12 h after light	9.938783333333333	9.80433	10.0552
4 h after dark	8.78617	8.53068	9.01732
8 h after dark	8.975733333333332	8.766639999999999	9.18021
12 h after dark	8.54975	8.38605	8.86252