"It was the most damage to the monument from a single event," Mr. Perry said. "We literally went stone by stone surveying. Now we've got a wonderful road map of the condition of the monument."
Washington Monument to reopen after nearly three years →
Snow can be a threat once the blossoms open, however, but in general "they can handle a couple days of not great weather," Mr. Perry said.
The cherry blossoms are coming →