Most Daily Precipitation in Washington D.C. History
This is a list of the largest daily precipitation totals ever recorded in Washington D.C. history from 1851–2023.
What's the Most It Has Ever Rained in Washington D.C.?
According to NOAA records, the most rain that Washington D.C. has ever received in a single day is 6.4 inches which occurred on Wednesday August 23, 1933.