Most Yearly Precipitation in Janesville History

This is a list of the largest annual precipitation totals ever recorded in Janesville, Wisconsin history from 1893–2024.

What Was the Wettest Year in Janesville History?

According to NOAA records, the most precipitation that Janesville, Wisconsin has ever received in a single calendar year is 49.9 inches which occurred in 2019.

Year to date though April 30, 2024: 12.9 inches

Janesville Precipitation by Year

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Precipitation (inches)
2024	83	12.9
2023	54	29.9
2022	33	35.4
2021	60	29.0
2020	15	39.6
2019	1	49.9
2018	4	46.8
2017	8	44.1
2016	9	43.1
2015	24	37.7
2014	46	32.2
2013	14	40.7
2012	73	25.1
2011	42	33.2
2010	31	35.6
2009	6	44.6
2008	5	45.2
2007	7	44.2
2006	21	39.1
2005	56	29.8
2004	41	33.2
2003	59	29.3
2002	67	26.5
2001	3	46.8
2000	16	39.5
1999	45	32.9
1998	2	47.1
1997	58	29.7
1996	49	30.8
1995	44	32.9
1994	63	28.2
1993	13	41.0
1992	36	34.1
1991	38	34.0
1990	30	35.7
1989	79	21.6
1988	74	24.8
1987	82	14.0
1986	50	30.7
1985	22	38.4
1984	18	39.4
1983	47	32.1
1982	25	37.6
1981	43	32.9
1980	34	35.2
1979	27	36.8
1978	23	38.1
1977	51	30.4
1976	77	23.8
1975	53	30.0
1974	39	33.9
1973	17	39.4
1972	10	42.4
1971	62	28.3
1970	55	29.9
1969	61	28.3
1968	37	34.0
1967	48	31.6
1966	76	23.9
1965	19	39.3
1964	65	27.7
1963	70	26.2
1962	71	25.7
1961	12	41.3
1960	35	35.2
1959	11	41.4
1958	78	23.2
1957	57	29.7
1956	75	24.7
1955	68	26.5
1954	20	39.2
1953	72	25.6
1952	29	36.2
1951	28	36.5
1950	26	37.0
1949	69	26.4
1948	52	30.2
1947	32	35.6
1946	66	27.5
1945	40	33.8
1944	84	11.3
1943	88	0.0
1942	88	0.0
1941	88	0.0
1940	88	0.0
1939	88	0.0
1938	88	0.0
1937	88	0.0
1936	88	0.0
1935	88	0.0
1934	88	0.0
1933	88	0.0
1932	88	0.0
1931	88	0.0
1930	88	0.0
1929	88	0.0
1928	88	0.0
1927	88	0.0
1926	88	0.0
1925	88	0.0
1924	88	0.0
1923	88	0.0
1922	88	0.0
1921	88	0.0
1920	88	0.0
1919	88	0.0
1918	88	0.0
1917	87	3.9
1916	86	3.9
1915	85	5.6
1914	88	0.0
1913	88	0.0
1912	88	0.0
1911	88	0.0
1910	88	0.0
1909	88	0.0
1908	88	0.0
1907	88	0.0
1906	88	0.0
1905	88	0.0
1904	88	0.0
1903	88	0.0
1902	88	0.0
1901	88	0.0
1900	88	0.0
1899	88	0.0
1898	88	0.0
1897	88	0.0
1896	88	0.0
1895	81	16.5
1894	64	28.1
1893	80	21.3