Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Chicago Precipitation Rankings for each month

CHICAGO
MONTHLY TOTAL PRECIPITATION
OCTOBER

Normal: 3.43 inches

***Smallest to Greatest Official Chicago Precipitation Data from 1871 - 2022***

0.18	1897	1.75	1893	3.19	1880
0.20	1964	1.77	1927	3.23	1994
0.30	1956	1.79	1910	3.26	1898
0.36	1891	1.79	1939	3.26	1921
0.40	1915	1.79	1992	3.26	1940
0.51	1895	1.80	1981	3.40	1882
0.59	1944	1.81	1979	3.40	1922
0.62	1948	1.82	1889	3.47	1973
0.62	1963	1.82	1905	3.49	1961
0.65	1872	1.88	1982	3.52	1912
0.71	1968	1.88	2003	3.52	1932
0.77	1938	1.98	2011	3.59	1884
0.81	1908	2.03	1887	3.62	1972
0.84	1894	2.05	1906	3.64	1933
0.84	1924	2.07	2008	3.65	2020
0.85	1971	2.09	1899	3.72	1925
0.90	1952	2.09	1980	3.75	1986
0.93	1907	2.12	1958	3.77	2016
0.93	2010	2.17	1966	3.79	1911
1.06	1965	2.19	1993	3.87	1885
1.07	1999	2.23	1913	3.88	1916
1.09	1903	2.23	2015	3.95	1969
1.12	2000	2.26	1975	3.96	1917
1.18	1945	2.32	1934	4.04	2006
1.20	1876	2.32	1976	4.10	1990
1.20	1909	2.32	1996	4.20	1890
1.21	1974	2.43	1873	4.20	1995
1.25	1953	2.48	2014	4.32	1875
1.29	1901	2.55	1874	4.41	1983
1.29	1950	2.60	1947	4.57	1923
1.35	1900	2.62	1931	4.67	1967
1.36	1896	2.72	1879	4.79	2018
1.38	1962	2.73	1949	4.94	1970
1.39	2005	2.73	1951	4.98	1985
1.40	1978	2.74	1928	5.05	1988
1.42	1886	2.76	1997	5.17	1878
1.44	1942	2.81	1930	5.22	1998
1.45	1902	2.82	1946	5.37	1955
1.49	1943	2.85	2004	5.77	2021
1.49	1989	2.86	1959	6.04	2009
1.54	1892	2.88	1871	6.41	1919
1.57	1920	2.89	1914	6.51	1877
1.58	1904	2.94	1918	6.76	2019
1.59	1987	2.95	1888	6.89	1881
1.60	2002	3.00	1936	7.36	1883
1.66	1977	3.06	1929	7.36	1991
1.66	2022	3.09	1937	8.44	1941
1.67	1926	3.12	2013	8.54	2001
1.68	1935	3.15	1957	8.70	2017
1.69	2007	3.15	1984	12.06	1954
1.71	1960	3.15	2012

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Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

October Precipitation Rankings for Chicago