Portland OR Most Precipitation in a Day for Each Year

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

The list gives the highest daily precipitation for each year in Portland 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 near downtown Portland and go back to 1872. During that time the heaviest downpour measured for a single day was 6.68 inches (169.7 millimetres) on December 13, 1882.

Most precipitation in one day for recent years in Portland
Inches	Date	Millimetres
1.48	December 06, 2023	37.6
2.04	November 04, 2022	51.8
1.95	January 12, 2021	49.5
1.60	December 20, 2020	40.6
1.18	January 18, 2019	30.0
1.48	April 07, 2018	37.6
2.33	February 05, 2017	59.2
1.88	October 13, 2016	47.8
3.17	December 07, 2015	80.5
1.68	October 22, 2014	42.7
1.48	September 28, 2013	37.6
2.27	November 19, 2012	57.7
2.25	February 28, 2011	57.2
1.74	December 09, 2010	44.2

Highest daily precipitation recorded at Portland each year
Inches	Date	Millimetres
2.71	January 01, 2009	68.8
1.67	November 12, 2008	42.4
1.96	December 02, 2007	49.8
2.35	November 06, 2006	59.7
1.65	March 27, 2005	41.9
1.06	January 07, 2004	26.9
1.92	January 31, 2003	48.8
1.48	December 31, 2002	37.6
0.95	November 13, 2001	24.1
1.10	December 22, 2000	27.9
1.53	February 18, 1999	38.9
2.06	December 27, 1998	52.3
2.05	January 17, 1997	52.1
2.69	November 19, 1996	68.3
2.01	November 11, 1995	51.1
2.44	October 31, 1994 +	62.0
1.08	May 31, 1993	27.4
1.57	November 21, 1992	39.9
1.39	June 20, 1991	35.3
1.20	January 28, 1990	30.5
1.09	December 04, 1989	27.7
1.33	January 14, 1988	33.8
2.33	January 31, 1987	59.2
1.48	September 25, 1986	37.6
1.36	June 06, 1985	34.5
1.97	November 27, 1984	50.0
1.88	November 03, 1983	47.8
1.84	December 15, 1982	46.7
1.80	December 05, 1981	45.7
2.08	December 02, 1980	52.8
1.40	October 18, 1979	35.6
1.08	May 13, 1978	27.4
1.84	December 13, 1977	46.7
1.32	February 27, 1976	33.5
1.53	January 25, 1975	38.9
1.98	January 15, 1974	50.3
2.42	November 15, 1973	61.5
1.83	January 20, 1972	46.5
1.65	December 23, 1971	41.9
2.03	January 22, 1970	51.6
2.41	September 17, 1969	61.2
1.84	November 08, 1968	46.7
1.69	October 27, 1967	42.9
2.25	December 04, 1966	57.2
2.42	December 27, 1965	61.5
1.98	December 21, 1964	50.3
1.72	March 29, 1963	43.7
1.72	November 20, 1962	43.7
1.84	February 10, 1961	46.7
2.64	November 24, 1960	67.1
1.57	October 10, 1959	39.9
1.58	June 06, 1958	40.1
1.70	December 19, 1957	43.2
2.08	January 04, 1956	52.8
2.29	December 21, 1955	58.2
1.86	January 04, 1954	47.2
1.88	December 19, 1953	47.8
1.04	December 06, 1952	26.4
1.46	January 02, 1951	37.1
2.95	November 15, 1950	74.9
2.35	February 17, 1949	59.7
2.63	January 06, 1948	66.8
1.40	October 19, 1947	35.6
2.00	February 05, 1946	50.8
2.54	November 26, 1945	64.5
1.29	November 03, 1944	32.8
2.08	February 06, 1943	52.8
2.25	December 27, 1942	57.2
1.72	December 19, 1941	43.7
2.11	February 05, 1940	53.6
1.34	December 15, 1939	34.0
1.84	February 05, 1938	46.7
3.99	December 26, 1937	101.3
2.20	December 22, 1936	55.9
1.19	March 24, 1935	30.2
1.83	December 29, 1934	46.5
2.27	December 05, 1933	57.7
1.66	December 18, 1932	42.2
2.06	March 31, 1931	52.3
1.24	March 21, 1930	31.5
2.12	December 08, 1929	53.8
2.04	December 26, 1928	51.8
2.13	November 24, 1927	54.1
1.95	November 20, 1926	49.5
2.95	December 20, 1925	74.9
1.43	November 07, 1924	36.3
2.43	December 06, 1923	61.7
1.79	October 25, 1922	45.5
3.41	November 20, 1921	86.6
3.00	January 25, 1920	76.2
1.80	February 08, 1919	45.7
–	1918	–
1.80	December 17, 1917	45.7
2.39	March 25, 1916	60.7
2.14	December 21, 1915	54.4
1.41	January 04, 1914	35.8
1.20	January 21, 1913	30.5
2.21	December 29, 1912	56.1
4.50	January 18, 1911	114.3
1.52	November 10, 1910	38.6
1.32	January 19, 1909	33.5
1.71	April 17, 1908	43.4
2.84	January 03, 1907	72.1
2.20	November 07, 1906	55.9
1.34	December 19, 1905	34.0
1.73	February 15, 1904	43.9
3.48	November 06, 1903	88.4
1.67	November 02, 1902	42.4
2.36	November 22, 1901	59.9
1.56	December 20, 1900	39.6
1.80	November 27, 1899	45.7
1.46	November 18, 1898	37.1
2.51	November 19, 1897	63.8
2.66	November 15, 1896	67.6
2.01	December 19, 1895	51.1
1.60	January 19, 1894	40.6
1.85	November 29, 1893	47.0
1.42	January 02, 1892	36.1
1.41	October 24, 1891	35.8
3.81	February 02, 1890	96.8
1.73	January 24, 1889	43.9
1.36	January 29, 1888	34.5
2.65	January 23, 1887	67.3
1.46	December 26, 1886	37.1
3.10	November 07, 1885	78.7
1.70	February 19, 1884	43.2
5.55	January 06, 1883	141.0
6.68	December 13, 1882	169.7
2.25	February 01, 1881	57.2
3.34	January 06, 1880	84.8
2.74	February 11, 1879	69.6
1.66	February 20, 1878	42.2
2.25	December 09, 1877	57.2
2.18	November 14, 1876	55.4
3.05	November 29, 1875	77.5
2.69	November 23, 1874	68.3
2.20	November 29, 1873	55.9
2.40	December 23, 1872	61.0

Portland - Extreme Daily Precipitation for Each Year

Reference

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