St Louis MO Most Precipitation in a Day for Each Year

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

The list gives the highest daily precipitation for each year in St Louis 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 go back to 1893. During that time the heaviest downpour measured for a single day was 8.64 inches (219.5 millimetres) on July 26, 2022.

Since 1946 the precipitation extremes were observed at St. Louis Lambert International Airport. Before then, the weather station was at downtown St. Louis.

Most precipitation in one day for recent years in St Louis
Inches	Date	Millimetres
1.68	April 15, 2023	42.7
8.64	July 26, 2022	219.5
2.62	June 25, 2021	66.5
2.34	July 30, 2020	59.4
3.30	July 22, 2019	83.8
1.73	February 24, 2018	43.9
3.15	April 29, 2017	80.0
2.52	August 15, 2016	64.0
4.87	December 26, 2015	123.7
2.53	April 02, 2014	64.3
2.48	April 18, 2013	63.0
1.48	August 31, 2012	37.6
2.80	June 25, 2011	71.1
3.08	November 24, 2010	78.2

Highest daily precipitation recorded at St Louis each year
Inches	Date	Millimetres
2.66	October 08, 2009	67.6
4.58	September 14, 2008	116.3
2.12	July 19, 2007	53.8
2.92	November 30, 2006	74.2
2.02	June 11, 2005	51.3
2.25	July 30, 2004	57.2
3.31	June 25, 2003	84.1
2.68	August 06, 2002	68.1
1.49	February 24, 2001	37.8
2.94	June 24, 2000	74.7
3.04	June 12, 1999	77.2
2.47	June 04, 1998	62.7
2.19	February 26, 1997	55.6
4.46	April 28, 1996	113.3
5.59	May 16, 1995	142.0
2.96	April 28, 1994	75.2
2.16	August 11, 1993	54.9
2.76	December 15, 1992	70.1
2.47	July 11, 1991	62.7
2.80	May 16, 1990	71.1
2.02	March 20, 1989	51.3
1.75	July 20, 1988	44.5
3.10	July 06, 1987	78.7
2.67	October 03, 1986	67.8
3.15	November 18, 1985	80.0
2.89	September 10, 1984	73.4
2.08	October 20, 1983	52.8
3.37	July 10, 1982	85.6
2.59	July 19, 1981	65.8
2.08	September 16, 1980	52.8
4.79	April 11, 1979	121.7
2.58	September 16, 1978	65.5
2.38	March 28, 1977	60.5
1.78	May 30, 1976	45.2
2.09	January 10, 1975	53.1
2.63	May 30, 1974	66.8
2.05	July 23, 1973	52.1
2.87	November 01, 1972	72.9
2.39	December 14, 1971	60.7
2.33	April 30, 1970	59.2
2.78	September 16, 1969	70.6
2.47	May 25, 1968	62.7
2.13	January 26, 1967	54.1
2.28	February 09, 1966	57.9
1.32	July 07, 1965	33.5
2.60	July 11, 1964	66.0
2.28	November 22, 1963	57.9
1.79	June 11, 1962	45.5
2.50	July 25, 1961	63.5
2.01	June 30, 1960	51.1
2.36	February 09, 1959	59.9
3.16	July 19, 1958	80.3
3.95	June 14, 1957	100.3
2.74	July 29, 1956	69.6
1.49	June 25, 1955	37.8
2.01	October 11, 1954	51.1
1.52	April 23, 1953	38.6
2.22	July 16, 1952	56.4
1.59	February 20, 1951	40.4
4.16	January 03, 1950	105.7
3.70	July 20, 1949	94.0
4.68	July 05, 1948	118.9
3.00	June 30, 1947	76.2
4.31	August 15, 1946	109.5
3.77	September 13, 1945	95.8
5.83	April 22, 1944	148.1
2.97	May 17, 1943	75.4
6.89	July 09, 1942	175.0
1.74	September 24, 1941	44.2
1.25	August 17, 1940	31.8
3.52	August 25, 1939	89.4
2.74	March 30, 1938	69.6
3.39	June 09, 1937	86.1
2.52	September 01, 1936	64.0
2.16	March 25, 1935	54.9
1.70	June 17, 1934	43.2
3.72	July 23, 1933	94.5
2.11	October 25, 1932	53.6
4.02	September 01, 1931	102.1
1.49	September 14, 1930	37.8
2.96	May 02, 1929	75.2
2.91	July 05, 1928	73.9
2.98	March 31, 1927	75.7
1.87	September 30, 1926	47.5
2.22	November 07, 1925	56.4
2.78	December 18, 1924	70.6
3.46	August 08, 1923	87.9
3.04	December 27, 1922	77.2
3.56	November 18, 1921	90.4
2.87	September 08, 1920	72.9
3.73	September 28, 1919	94.7
2.71	August 24, 1918	68.8
1.57	September 07, 1917	39.9
3.67	August 14, 1916	93.2
6.85	August 20, 1915	174.0
2.41	October 16, 1914	61.2
3.59	March 24, 1913	91.2
3.16	July 14, 1912	80.3
2.29	April 29, 1911	58.2
2.80	September 04, 1910	71.1
2.27	March 08, 1909	57.7
1.55	May 04, 1908	39.4
2.00	May 30, 1907	50.8
2.10	August 07, 1906 +	53.3
2.76	September 16, 1905	70.1
3.58	March 25, 1904	90.9
3.55	June 01, 1903	90.2
4.70	June 28, 1902	119.4
2.40	December 13, 1901	61.0
2.10	May 06, 1900	53.3
1.92	March 18, 1899 +	48.8
3.19	July 08, 1898	81.0
2.31	March 05, 1897	58.7
2.23	May 27, 1896	56.6
2.48	July 27, 1895	63.0
1.63	January 20, 1894	41.4
3.26	May 26, 1893	82.8

St Louis - Extreme Daily Precipitation for Each Year

Reference

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