condition	mean	min	max
4 h after light	9.17228	9.02185	9.381680000000001
8 h after light	9.324363333333332	9.10347	9.515089999999999
12 h after light	9.126313333333334	9.06915	9.157210000000001
4 h after dark	9.2083	8.86379	9.3866
8 h after dark	9.010153333333333	8.7169	9.29707
12 h after dark	8.917513333333334	8.600010000000001	9.10063