May Precipitation Amounts for Chicago, IL

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New flood warning services on the North Branch Chicago River at Chicago

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Chicago Precipitation Rankings for each month

CHICAGO
MONTHLY PRECIPITATION AMOUNTS
MAY

Normal 3.68 inches

***Smallest to Greatest Official Chicago Precipitation Data from 1871 - 2020***

0.30	1992		2.73	1926		4.38	2012
0.58	1994		2.79	1985		4.39	2002
0.67	1934		2.83	1960		4.40	1927
0.78	1950		2.88	1972		4.46	1999
0.80	1921		2.89	1932		4.47	1995
0.84	1897		2.90	1962		4.49	1984
0.93	1903		2.93	1916		4.50	1942
1.00	1886		3.02	1998		4.57	1918
1.19	1988		3.06	1956		4.66	2015
1.38	1887		3.09	1978		4.67	1910
1.39	1967		3.11	1986		4.80	1948
1.39	1977		3.12	1958		4.90	1951
1.47	1965		3.17	1885		4.90	2010
1.53	1884		3.18	1922		4.96	2013
1.53	1961		3.18	1952		4.97	1880
1.54	1904		3.21	1957		4.98	2014
1.59	1925		3.22	1980		5.03	1933
1.59	1928		3.24	1872		5.08	1902
1.59	1989		3.28	2017		5.08	1931
1.64	1937		3.34	2001		5.13	1890
1.74	1964		3.35	1894		5.14	1905
1.75	1954		3.37	1911		5.16	1940
1.80	2007		3.41	1917		5.20	1991
1.81	1877		3.42	1941		5.22	1878
1.81	1920		3.46	1923		5.22	1914
1.83	1993		3.50	1907		5.29	2003
1.85	1876		3.54	1946		5.31	1975
1.85	1881		3.59	1900		5.38	1889
1.93	1893		3.63	2009		5.43	2016
1.98	1971		3.64	1875		5.52	1882
1.99	1895		3.65	2006		5.78	1966
1.99	2005		3.66	1939		5.85	1981
2.00	1979		3.84	1919		5.98	1974
2.06	1968		3.86	1955		6.22	1888
2.08	1874		3.87	1959		6.26	1983
2.08	1936		3.89	1879		6.74	1908
2.08	1982		3.90	1871		6.77	1892
2.09	1891		3.97	1912		6.85	1990
2.09	1906		3.97	1947		6.95	1996
2.16	1930		3.98	1938		7.04	1915
2.17	1963		4.00	1976		7.08	1943
2.18	1901		4.02	2000		7.09	1935
2.18	1909		4.04	1969		7.20	1873
2.21	1987		4.10	2008		7.22	2004
2.23	1898		4.16	1896		7.27	2011
2.29	1929		4.17	1973		7.32	1883
2.30	1924		4.18	1970		7.59	1945
2.43	1953		4.35	1899		8.21	2018
2.46	1949		4.36	1944		8.25	2019
2.69	1997		4.38	1913		9.51	2020

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