Most Daily Precipitation in Ketchikan History

This is a list of the largest daily precipitation totals ever recorded in Ketchikan, Alaska history from 1910–2024.

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

According to NOAA records, the most rain that Ketchikan, Alaska has ever received in a single day is 8.7 inches which occurred on Tuesday October 11, 1977.

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

Ketchikan Most Rain in One Day

Rank	Precipitation	Date
1	8.7 inches	October 11, 1977
2	8.1 inches	August 5, 1920
3	7.9 inches	August 25, 1961
4	7.6 inches	September 22, 1949
5	7.5 inches	March 13, 1947
6	7.3 inches	December 10, 1962
7	7.2 inches	October 8, 2015
8	7.1 inches	November 18, 1917
9	7.1 inches	August 4, 1920
10	6.9 inches	October 1, 1974
11	6.9 inches	August 25, 1950
12	6.9 inches	January 30, 1962
13	6.8 inches	October 2, 1930
14	6.7 inches	October 17, 2023
15	6.6 inches	November 17, 1917
16	6.6 inches	October 15, 1944
17	6.5 inches	September 25, 1952
18	6.5 inches	October 8, 1974
19	6.4 inches	October 15, 1986
20	6.4 inches	October 30, 1972