ST. LOUIS, MO 24 HOUR PRECIPITATION RECORDS - BY MONTH
AMOUNT DAY(S) YEAR AMOUNT DAY(S) YEAR AMOUNT DAY(S) YEAR
January May September
4.46 3-4 1950 6.55 16-17 1995 4.61 13 1945
4.16 3 1950 5.95 16 1995 4.19 1-2 1931
3.57 1-2 1890 3.95 17 1995 4.11 12-13 1945
3.49 1 1890 3.62 15-16 1990 4.02 1 1931
3.08 4-5 2005 3.45 17 1943 3.73 28 1919
February June October
4.44 19-20 1882 4.80 27-28 1902 3.98 24-25 1947
3.96 19 1882 4.75 14-15 1957 3.71 31-1 1946
2.75 20 1882 4.70 28 1902 3.44 25-26 1919
2.60 17-18 2000 4.64 15-16 1888 3.36 15-16 1914
2.60 6-7 1999 4.50 16 1888 3.26 17-18 1905
March July November
3.88 24-25 1913 6.94 8-9 1942* 3.71 18-19 1985
3.59 24 1913 5.08 7-8 1898 3.61 18-19 1921
3.58 25 1904 4.75 20 1949 3.56 18 1921
3.33 4-5 1897 4.68 5 1948 3.15 18 1985
2.99 30-31 1927 4.04 9 1942 3.10 17/18 2003
April August December
6.29 22-23 1944* 8.78 15-16 1946* 4.03 2-3 1982
4.91 10-11 1979 7.02 19-20 1915 3.04 27 1922
4.79 11 1979 6.85 20 1915 2.96 26/27 1942
4.66 28-29 1996 5.15 15-16 1946 2.78 18 1924
4.46 28 1996 4.98 14-15 1916 2.76 15 1992
Top 5 records:
8.78 Aug 15-16 1946*
7.02 Aug 19-20 1915
6.94 Jul 8-9 1942*
6.85 Aug 20 1915
6.55 May 16-17 1995
* Note: These 24 hour precip totals were observed at the Federal Building on 12th and Market.
Concurrent observations were also taken at the new Lambert Field site.
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