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Most Daily Precipitation in Boise History

This is a list of the largest daily precipitation totals ever recorded in Boise, Idaho history from 1940–2022.
What's the Most It Has Ever Rained in Boise?
According to NOAA records, the most rain that Boise, Idaho has ever received in a single day is 1.9 inches which occurred on June 12, 1958.
Rank Precipitation Date
1 1.9 inches June 12, 1958
2 1.8 inches May 29, 1990
3 1.7 inches September 11, 1976
4 1.6 inches August 13, 1979
5 1.6 inches March 20, 1981
6 1.4 inches May 22, 2010
7 1.4 inches March 30, 2017
8 1.3 inches April 6, 1969
9 1.2 inches June 13, 2020
10 1.1 inches November 1, 2014
11 1.1 inches January 18, 1953
11 1.1 inches May 23, 1942
13 1.1 inches June 10, 1977
14 1.1 inches April 30, 1983
15 1.1 inches April 26, 2012
15 1.1 inches May 24, 1962
17 1.1 inches April 26, 1956
18 1.1 inches March 8, 1943
19 1.0 inches May 27, 1964
19 1.0 inches December 23, 1955