The Bureau of Labor Statistics said it will publish the September Consumer Price Index figures on Friday, marking a rare exception to release data during the government shutdown. Kyle Grillot/Bloomberg/Getty Images

Nearly two dozen days have passed since a federal agency has published an economic report . The US government’s shutdown has resulted in a blackout of critical data, further clouding an already opaque economic outlook.

That will change – albeit briefly – Friday morning, when the Bureau of Labor Statistics is expected to release the Consumer Price Index report for September.

The September CPI will allow the data-hungry to get a little fix, providing a snapshot of how prices are trending for Americans.

The report is a one-off of sorts: BLS staff were called back into th

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