Des Moines IA Most Precipitation in a Day for Each Year

This page lists the biggest rainstorms or snowstorms of the year in Des Moines, Iowa along with the date they occurred. The information answers questions like: When was the last time more than four inches of precipitation landed on Des Moines in a single day? What was the rainiest day of 2019?

The list gives the highest daily precipitation for each year in Des Moines and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records were observed at Des Moines International Airport and go back to 1946. During that time the heaviest downpour measured for a single day was 6.18 inches (157.0 millimetres) on August 27, 1975.

Most precipitation in one day for recent years in Des Moines
Inches	Date	Millimetres
2.09	July 12, 2023	53.1
1.65	November 04, 2022	41.9
2.91	October 24, 2021	73.9
2.08	October 22, 2020	52.8
3.59	October 01, 2019	91.2
2.67	June 25, 2018	67.8
1.65	August 21, 2017	41.9
3.53	July 19, 2016	89.7
2.55	September 18, 2015 +	64.8
3.38	August 28, 2014	85.9
3.14	April 17, 2013	79.8
3.43	April 14, 2012	87.1
4.53	June 09, 2011	115.1
2.42	August 08, 2010	61.5

Highest daily precipitation recorded at Des Moines each year
Inches	Date	Millimetres
2.68	April 26, 2009	68.1
4.15	June 05, 2008	105.4
2.10	October 14, 2007	53.3
1.61	September 10, 2006	40.9
2.27	May 12, 2005	57.7
2.54	August 03, 2004	64.5
3.18	November 03, 2003	80.8
2.58	July 10, 2002	65.5
2.57	September 07, 2001	65.3
2.38	June 13, 2000	60.5
1.67	May 11, 1999	42.4
2.45	June 18, 1998	62.2
1.96	October 12, 1997	49.8
3.23	May 09, 1996	82.0
1.86	May 09, 1995	47.2
1.98	September 04, 1994	50.3
3.29	September 25, 1993	83.6
2.17	July 13, 1992	55.1
2.55	April 18, 1991	64.8
4.23	June 16, 1990	107.4
2.33	September 08, 1989	59.2
2.31	July 09, 1988	58.7
3.45	August 25, 1987	87.6
3.32	June 29, 1986	84.3
1.55	August 22, 1985	39.4
2.73	July 14, 1984	69.3
1.78	August 30, 1983	45.2
2.11	August 04, 1982	53.6
3.18	July 03, 1981	80.8
2.04	August 16, 1980	51.8
2.25	June 27, 1979	57.2
2.24	April 17, 1978	56.9
4.18	August 26, 1977	106.2
2.58	April 17, 1976	65.5
6.18	August 27, 1975	157.0
3.80	April 28, 1974	96.5
3.06	September 28, 1973	77.7
2.61	September 10, 1972 +	66.3
2.05	November 01, 1971	52.1
2.51	May 13, 1970	63.8
2.02	June 11, 1969	51.3
1.78	August 08, 1968	45.2
2.18	June 09, 1967	55.4
1.51	May 11, 1966	38.4
1.88	June 29, 1965	47.8
1.91	June 22, 1964	48.5
2.21	August 05, 1963	56.1
2.60	June 10, 1962	66.0
4.42	September 12, 1961	112.3
2.40	May 25, 1960	61.0
3.10	June 29, 1959	78.7
2.92	July 02, 1958	74.2
1.23	May 10, 1957	31.2
1.15	October 13, 1956	29.2
1.53	July 10, 1955	38.9
2.76	May 31, 1954	70.1
1.87	June 27, 1953	47.5
2.01	May 22, 1952	51.1
1.83	July 02, 1951	46.5
2.01	May 20, 1950	51.1
1.24	January 27, 1949	31.5
2.47	November 19, 1948	62.7
3.55	June 04, 1947	90.2
2.92	August 21, 1946	74.2

Des Moines - Extreme Daily Precipitation for Each Year

Reference

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