Most Daily Precipitation in Napa History

This is a list of the largest daily precipitation totals ever recorded in Napa, California history from 1901–2024.

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

According to NOAA records, the most rain that Napa, California has ever received in a single day is 5.9 inches which occurred on Monday November 21, 1977.

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

Napa Most Rain in One Day

Rank	Precipitation	Date
1	5.9 inches	November 21, 1977
2	5.7 inches	January 4, 1982
3	4.8 inches	October 24, 2021
4	4.8 inches	January 11, 1979
5	4.7 inches	October 13, 1962
5	4.7 inches	October 12, 1962
7	4.1 inches	December 27, 1931
8	3.7 inches	October 13, 2009
9	3.6 inches	January 14, 1970
10	3.5 inches	January 21, 1967
11	3.5 inches	December 12, 1995
11	3.5 inches	February 25, 1983
11	3.5 inches	December 22, 1955
11	3.5 inches	January 3, 1916
15	3.3 inches	January 21, 1970
16	3.3 inches	March 30, 1940
16	3.3 inches	February 27, 1940
18	3.2 inches	December 11, 2014
18	3.2 inches	November 9, 1902
20	3.1 inches	January 14, 1911