condition	mean	min	max
4 h after light	8.808072	8.493151	9.122993
8 h after light	8.3802095	8.188564	8.571855
12 h after light	8.093322	7.772247	8.414397
4 h after dark	8.342499	8.014803	8.670195
8 h after dark	9.085265	8.455182	9.715348
12 h after dark	8.223484	8.223484	8.223484