Most Daily Precipitation in Riverside History

This is a list of the largest daily precipitation totals ever recorded in Riverside, California history from 1893–2024.

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

According to NOAA records, the most rain that Riverside, California has ever received in a single day is 4.4 inches which occurred on Friday March 4, 1938.

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

Riverside Most Rain in One Day

Rank	Precipitation	Date
1	4.4 inches	March 4, 1938
2	3.3 inches	December 11, 1943
3	3.2 inches	February 7, 1937
4	3.1 inches	April 5, 1926
5	2.7 inches	January 26, 1956
6	2.7 inches	February 14, 2019
7	2.6 inches	January 23, 1943
8	2.5 inches	December 22, 2010
9	2.5 inches	February 28, 1991
9	2.5 inches	March 12, 1906
11	2.4 inches	February 24, 1969
12	2.4 inches	February 5, 2024
12	2.4 inches	January 9, 2005
14	2.4 inches	December 22, 1945
15	2.3 inches	February 16, 1927
16	2.3 inches	October 31, 1927
17	2.3 inches	January 16, 1916
18	2.2 inches	January 7, 1993
19	2.2 inches	February 24, 1998
20	2.2 inches	January 25, 1969