condition	mean	min	max
4 h after light	9.289123333333334	9.167	9.35927
8 h after light	8.341986666666667	8.294960000000001	8.403789999999999
12 h after light	9.383406666666666	9.3162	9.45244
4 h after dark	8.70574	8.64132	8.743269999999999
8 h after dark	9.35077	9.24629	9.488010000000001
12 h after dark	9.463989999999999	9.296289999999999	9.55878