Most Daily Precipitation in Williamsport History

This is a list of the largest daily precipitation totals ever recorded in Williamsport, Pennsylvania history from 1895–2024.

What's the Most It Has Ever Rained in Williamsport?

According to NOAA records, the most rain that Williamsport, Pennsylvania has ever received in a single day is 8.7 inches which occurred on Thursday June 22, 1972.

Also see most rain in: 2 days | 1 week | 1 month

Williamsport Most Rain in One Day

Rank	Precipitation	Date
1	8.7 inches	June 22, 1972
2	6.8 inches	September 7, 2011
3	6.3 inches	September 7, 1999
4	5.6 inches	September 17, 2004
5	5.2 inches	August 24, 1933
6	4.4 inches	October 14, 1955
7	4.3 inches	August 29, 1988
8	4.3 inches	August 24, 1897
9	4.0 inches	September 25, 1975
10	4.0 inches	August 18, 1938
11	3.9 inches	September 30, 2010
12	3.9 inches	September 30, 1924
13	3.9 inches	September 2, 2006
14	3.7 inches	October 4, 1962
14	3.7 inches	August 10, 1912
16	3.7 inches	November 29, 2005
17	3.6 inches	September 22, 1913
18	3.6 inches	August 16, 1941
19	3.5 inches	May 21, 1919
20	3.5 inches	October 3, 1929