The trade gap had been $4.1 billion in the previous month, the ONS said.
The month included a $12.2 billion deficit on goods trading and an estimated surplus of $8.6 billion in services.
In the prior three months, the trade deficit for goods came to $32.4 billion, a drop of $1.9 billion from the previous three months and a decline of $740 million from the same period a year earlier, ONS said.
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