condition	mean	min	max
4 h after light	8.110023333333334	8.09951	8.1277
8 h after light	8.167356666666667	8.16075	8.173060000000001
12 h after light	7.87371	7.808960000000001	7.999689999999999
4 h after dark	8.310676666666666	8.24217	8.41847
8 h after dark	8.410526666666668	8.35265	8.505560000000001
12 h after dark	8.595616666666668	8.534980000000001	8.657860000000001