The severe winter that most of the United States has been experiencing over the past couple months wreaked havoc on economic conditions, according to the U.S. Federal Reserve’s latest Beige Book report, aka the “Summary of Commentary on Current Economic Conditions by Federal Reserve District.

But how exactly did these severe weather conditions affect the U.S economy? Federal Reserve economists aren’t quite sure just yet, according to the report.

Here’s a quick summary of the March 2014 Beige Book, in one chart:

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The March 2014 Beige Book report, in one chart. IBTimes/Lisa Mahapatra