Most Yearly Precipitation in Boulder History

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

What Was the Wettest Year in Boulder History?

According to NOAA records, the most precipitation that Boulder, Colorado has ever received in a single calendar year is 34.2 inches which occurred in 2013.

Year to date though April 23, 2024: 8.7 inches

Boulder 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	129	8.7
2023	21	22.9
2022	57	18.8
2021	38	20.7
2020	78	17.1
2019	36	21.0
2018	53	19.3
2017	39	20.6
2016	75	17.3
2015	9	26.9
2014	20	23.6
2013	1	34.2
2012	100	15.7
2011	24	22.3
2010	41	20.3
2009	54	19.1
2008	79	17.0
2007	76	17.2
2006	51	19.3
2005	73	17.4
2004	8	27.2
2003	27	22.0
2002	114	13.9
2001	68	18.2
2000	97	15.8
1999	14	25.9
1998	24	22.3
1997	4	28.5
1996	29	21.7
1995	2	29.4
1994	86	16.8
1993	37	20.8
1992	74	17.4
1991	34	21.2
1990	105	14.8
1989	122	12.4
1988	81	17.0
1987	15	25.8
1986	31	21.4
1985	72	17.4
1984	60	18.5
1983	18	24.3
1982	35	21.1
1981	82	16.9
1980	118	13.5
1979	113	13.9
1978	26	22.2
1977	117	13.5
1976	106	14.7
1975	67	18.2
1974	103	15.1
1973	43	20.2
1972	64	18.4
1971	58	18.7
1970	88	16.7
1969	5	27.5
1968	92	16.2
1967	16	24.9
1966	125	11.1
1965	49	19.5
1964	124	11.5
1963	80	17.0
1962	121	12.8
1961	23	22.4
1960	104	15.1
1959	55	18.9
1958	52	19.3
1957	6	27.4
1956	62	18.5
1955	102	15.3
1954	127	10.9
1953	94	16.0
1952	77	17.2
1951	7	27.4
1950	108	14.2
1949	33	21.2
1948	85	16.9
1947	30	21.6
1946	71	17.4
1945	22	22.7
1944	59	18.7
1943	98	15.8
1942	11	26.2
1941	19	24.0
1940	42	20.3
1939	126	11.1
1938	3	29.1
1937	101	15.6
1936	45	20.0
1935	90	16.4
1934	109	14.0
1933	111	14.0
1932	123	11.9
1931	107	14.2
1930	96	16.0
1929	32	21.2
1928	40	20.5
1927	50	19.4
1926	69	17.9
1925	89	16.5
1924	120	13.1
1923	13	25.9
1922	116	13.8
1921	65	18.4
1920	61	18.5
1919	47	19.6
1918	56	18.8
1917	112	14.0
1916	46	19.7
1915	17	24.3
1914	66	18.3
1913	44	20.0
1912	48	19.5
1911	119	13.3
1910	130	8.6
1909	10	26.3
1908	84	16.9
1907	91	16.3
1906	12	26.2
1905	28	21.8
1904	70	17.8
1903	87	16.7
1902	63	18.4
1901	115	13.9
1900	83	16.9
1899	110	14.0
1898	93	16.0
1897	95	16.0
1896	132	0.0
1895	99	15.7
1894	128	9.7
1893	131	2.4