Washington was buried under 61 centimetres of snow on the weekend in one of the worst blizzards the city has seen.
The dump was coined "Snowmageddon" by US President Barack Obama.
Authorities have blamed the storm for hundreds of accidents, including the deaths of a father and son in Virginia when they were struck by a tractor trailer.
About a half-million Americans were left without power due to toppling trees and planes were grounded at major airports.
US weatherman loses cool over snowstorm
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