Most Daily Precipitation in Washington D.C. History

This is a list of the largest daily precipitation totals ever recorded in Washington D.C., District of Columbia 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., District of Columbia has ever received in a single day is 6.4 inches which occurred on Wednesday August 23, 1933.
Rank Precipitation Date
1 6.4 inches August 23, 1933
2 6.1 inches August 2, 1944
3 6.1 inches June 21, 1972
4 6.0 inches August 11, 1928
5 5.4 inches August 12, 1955
6 5.2 inches June 25, 2006
7 5.2 inches September 1, 1922
8 4.9 inches August 12, 1898
9 4.8 inches August 20, 1963
10 4.8 inches September 16, 1976
11 4.7 inches July 9, 1970
12 4.7 inches September 30, 2010
13 4.5 inches September 4, 1939
14 4.4 inches September 5, 1935
15 4.4 inches July 22, 1969
16 4.3 inches July 30, 1878
17 4.2 inches June 26, 2006
18 4.2 inches June 22, 1886
19 4.1 inches September 16, 1874
20 4.1 inches July 30, 1876