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 1851–2024.
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.
Also see most rain in: 2 days | 1 week | 1 month
Washington D.C. Most Rain in One Day
Rank Precipitation Date
1 6.4 inches August 23, 1933
2 6.4 inches August 5, 1857
3 6.1 inches August 2, 1944
4 6.1 inches June 21, 1972
5 6.0 inches August 11, 1928
6 5.4 inches August 12, 1955
7 5.2 inches June 25, 2006
8 5.2 inches September 1, 1922
9 4.9 inches August 12, 1898
10 4.8 inches August 20, 1963
11 4.8 inches September 16, 1976
12 4.7 inches July 9, 1970
13 4.7 inches September 30, 2010
14 4.5 inches September 4, 1939
15 4.5 inches September 5, 1935
16 4.4 inches July 22, 1969
17 4.3 inches July 30, 1878
18 4.2 inches June 26, 2006
19 4.2 inches June 22, 1886
20 4.2 inches September 16, 1874