Most Daily Precipitation in Walla Walla History

This is a list of the largest daily precipitation totals ever recorded in Walla Walla, Washington history from 1949–2024.

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

According to NOAA records, the most rain that Walla Walla, Washington has ever received in a single day is 3.6 inches which occurred on Thursday July 23, 1992.

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

Walla Walla Most Rain in One Day

Rank	Precipitation	Date
1	3.6 inches	July 23, 1992
2	2.3 inches	August 22, 1992
3	1.7 inches	May 26, 1971
4	1.7 inches	September 8, 2003
5	1.7 inches	May 20, 2020
6	1.6 inches	April 27, 1990
7	1.6 inches	February 23, 2002
8	1.6 inches	October 31, 1994
9	1.5 inches	August 16, 1993
10	1.5 inches	November 4, 1994
10	1.5 inches	June 7, 1950
12	1.5 inches	May 17, 1991
13	1.4 inches	October 27, 1994
14	1.4 inches	December 29, 2017
14	1.4 inches	December 5, 1971
14	1.4 inches	August 25, 1965
17	1.4 inches	August 10, 1985
17	1.4 inches	October 29, 1950
19	1.4 inches	May 14, 2011
19	1.4 inches	May 30, 2000