Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

Rochester Monthly Precipitation

This data is unofficial. For official data, visit NCEI

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1940	1.26	3.08	2.92	3.30	2.75	2.52	1.82	1.28	2.33	1.52	2.98	2.84	28.60
1941	1.95	1.59	2.20	1.51	1.22	1.76	3.05	2.04	2.09	3.32	1.05	2.24	24.02
1942	1.28	4.51	5.42	2.60	3.51	1.03	2.84	1.66	2.72	3.22	3.40	4.48	36.67
1943	2.06	2.05	2.59	4.81	5.45	4.22	2.90	3.31	1.82	4.51	1.91	0.77	36.40
1944	1.18	2.91	2.12	4.90	2.64	3.42	1.78	2.71	1.90	1.17	2.29	5.05	32.07
1945	2.50	2.31	3.87	2.16	4.45	2.40	8.08	1.43	5.21	4.59	5.10	2.00	44.10
1946	0.81	2.70	0.77	1.41	2.82	3.21	2.81	3.62	2.71	3.79	2.36	2.61	29.62
1947	4.06	1.05	2.92	4.34	5.06	4.08	9.70	2.42	2.84	0.36	2.59	2.02	41.44
1948	2.37	2.50	2.91	3.26	3.39	2.76	2.36	1.82	1.54	2.66	2.92	1.63	30.12
1949	2.36	1.88	1.89	2.11	2.08	1.41	2.94	2.93	2.77	0.77	3.30	1.95	26.39

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1950	3.71	5.07	4.28	1.87	2.81	4.00	3.53	2.30	1.81	3.68	5.51	1.97	40.54
1951	2.89	2.70	5.03	3.55	1.82	4.43	4.08	0.76	2.26	1.78	3.77	3.14	36.21
1952	2.47	2.53	2.70	2.60	3.43	0.81	2.69	1.43	2.90	1.37	2.39	1.82	27.14
1953	2.47	1.80	3.38	1.50	4.14	1.70	1.61	4.15	3.35	1.46	2.85	1.97	30.38
1954	1.53	2.47	4.09	2.75	1.59	2.03	1.41	3.74	1.93	4.53	2.51	3.38	31.96
1955	1.03	1.71	4.25	3.06	1.51	1.09	0.98	5.27	1.63	7.85	1.92	1.73	32.03
1956	2.09	3.23	3.41	4.14	3.83	0.97	2.91	5.67	3.58	0.94	1.47	2.16	34.40
1957	2.62	1.56	1.75	2.77	2.98	3.63	2.24	0.96	2.46	0.97	1.81	1.92	25.67
1958	2.92	4.20	0.47	3.10	1.89	4.58	4.17	2.56	3.55	4.95	2.79	0.62	35.80
1959	3.87	2.70	2.28	1.91	2.21	2.06	1.63	2.30	2.72	4.07	1.84	4.64	32.23

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1960	2.82	4.46	1.64	1.87	3.72	3.05	1.39	4.05	0.28	1.72	0.73	1.03	26.67
1961	1.10	3.21	2.70	4.07	2.96	3.78	2.41	3.09	0.39	1.58	3.99	1.23	30.51
1962	1.84	2.87	1.25	2.62	2.70	3.02	1.89	3.53	4.01	1.95	1.99	1.58	29.25
1963	1.24	1.43	2.53	2.74	2.33	0.22	2.72	3.26	1.17	0.23	4.32	1.90	24.09
1964	1.99	0.89	2.89	3.54	2.77	1.13	1.52	2.74	0.58	0.76	1.60	2.04	22.45
1965	3.05	2.24	2.07	1.85	0.50	0.64	1.46	2.94	1.98	2.82	3.40	2.21	25.16
1966	4.10	2.51	1.42	2.04	1.26	1.85	2.77	2.14	2.47	0.68	3.12	1.75	26.11
1967	0.94	1.67	1.31	1.69	2.74	1.57	2.68	4.64	3.84	4.35	2.89	1.52	29.84
1968	1.91	0.74	2.38	1.33	2.84	2.84	1.42	5.95	1.86	2.89	4.28	3.31	31.75
1969	2.46	0.91	1.16	3.48	2.25	4.69	1.83	1.82	1.77	1.69	3.42	3.66	29.14

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1970	1.80	2.28	1.49	2.58	3.03	3.74	4.91	3.88	2.49	3.96	3.50	4.12	37.78
1971	2.66	4.21	3.43	1.28	1.71	3.52	5.59	3.18	1.79	1.34	1.96	3.49	34.16
1972	1.50	3.96	2.19	2.68	3.32	6.56	1.43	3.14	3.84	2.25	4.83	2.58	38.28
1973	1.28	1.70	2.92	3.21	2.68	2.84	1.14	1.94	1.41	2.67	3.82	3.62	29.23
1974	1.75	2.06	3.61	2.60	6.62	2.59	2.82	3.64	3.48	1.34	3.23	2.86	36.60
1975	1.83	2.82	2.74	1.43	2.85	5.35	1.18	2.31	3.15	1.83	1.35	3.76	30.60
1976	2.33	1.67	3.54	3.81	2.63	3.37	5.15	3.04	2.13	4.73	0.44	1.48	34.32
1977	1.49	0.97	2.18	2.49	0.36	1.33	3.26	5.65	6.30	2.64	3.78	4.65	35.10
1978	5.79	2.40	1.48	2.25	2.03	1.30	2.17	2.66	3.63	2.56	1.14	4.35	31.76
1979	4.18	2.40	1.76	3.78	3.14	1.85	3.16	2.05	5.32	2.60	1.80	2.86	34.90

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1980	1.11	1.16	3.83	2.35	1.49	6.77	1.90	3.44	3.57	3.73	2.52	2.45	34.32
1981	1.24	3.13	1.04	1.95	2.27	2.70	4.60	4.44	5.37	3.29	2.18	2.78	34.99
1982	4.16	1.01	1.73	1.63	1.77	3.92	3.13	3.00	3.57	1.79	3.95	2.17	31.83
1983	1.43	1.23	2.45	3.50	3.44	2.40	1.13	5.43	1.56	3.26	4.91	4.47	35.21
1984	1.62	2.97	2.08	3.05	5.47	1.67	1.90	6.00	3.34	0.76	1.47	3.31	33.64
1985	2.49	1.78	3.47	1.30	2.08	2.63	1.86	1.11	2.49	2.34	6.99	1.46	30.00
1986	1.63	2.46	1.90	3.80	1.64	4.27	3.13	3.29	5.11	3.56	1.93	3.56	36.28
1987	1.89	0.66	1.98	3.68	1.19	3.94	5.85	3.92	4.60	1.65	2.74	1.98	34.08
1988	0.72	2.18	1.62	2.32	1.73	1.10	4.30	3.81	1.69	2.34	1.68	1.11	24.60
1989	1.18	1.55	3.69	1.62	5.99	5.65	0.98	2.46	2.82	3.13	2.01	1.58	32.66

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
1990	1.61	3.93	1.56	3.58	5.76	2.88	3.05	3.59	3.36	4.37	2.27	4.18	40.14
1991	1.69	1.16	4.70	4.07	2.43	1.19	2.37	1.80	2.86	1.65	2.39	2.92	29.23
1992	1.46	1.87	3.53	3.43	2.83	1.98	6.03	4.45	3.02	1.78	2.90	2.98	36.26
1993	2.32	1.52	2.44	3.07	1.24	2.76	1.67	1.67	4.37	3.21	3.27	1.60	29.14
1994	2.68	1.63	1.70	4.08	2.56	2.43	0.61	4.27	2.68	1.34	3.24	2.32	29.54
1995	2.46	1.58	1.15	1.18	1.75	2.07	3.85	3.05	1.50	5.70	4.21	1.50	30.00
1996	3.18	1.72	2.07	4.84	3.51	6.65	2.18	3.33	5.09	5.40	4.12	2.97	45.06
1997	2.03	2.40	3.88	1.33	2.12	3.01	1.94	4.22	5.36	1.94	3.57	2.88	34.68
1998	5.63	2.34	3.50	1.81	2.63	7.11	6.09	5.39	3.00	1.45	1.41	1.60	41.96
1999	3.92	0.69	3.28	2.07	2.72	2.52	1.78	5.71	3.41	2.12	2.86	2.06	33.14

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
2000	2.98	1.97	2.04	4.35	4.70	4.47	3.66	4.11	3.53	0.36	2.19	2.47	37.83
2001	1.95	2.26	4.13	1.19	2.66	1.84	1.80	4.30	3.15	2.27	1.90	1.72	29.18
2002	2.97	1.61	2.09	3.44	5.87	4.29	1.59	0.84	2.61	2.09	3.11	3.85	34.36
2003	2.05	1.96	1.95	1.27	4.56	2.23	2.26	4.15	2.69	1.90	4.26	2.42	31.68
2004	2.81	0.72	2.04	3.48	4.53	3.11	6.35	3.68	4.30	1.49	2.31	2.99	37.81
2005	3.34	1.40	1.11	4.43	1.24	2.44	3.36	5.10	4.76	3.48	3.18	1.37	35.21
2006	2.42	2.13	1.80	2.18	1.77	3.72	8.02	2.75	5.39	4.96	2.89	3.03	41.06
2007	4.25	2.09	2.98	3.64	0.24	2.30	2.31	0.81	2.50	3.05	4.01	4.28	32.46
2008	1.60	4.27	3.75	1.94	1.41	2.59	3.91	2.97	1.66	3.38	2.11	3.61	33.20
2009	2.17	1.63	2.99	2.20	3.30	6.25	4.32	1.63	2.03	2.97	1.13	2.95	33.57

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
2010	2.24	2.40	2.09	1.56	2.55	5.94	5.70	2.68	3.36	3.30	3.01	2.64	37.47
2011	1.64	2.76	2.67	5.81	4.80	1.45	1.81	5.61	3.76	5.20	2.46	2.48	40.49
2012	3.32	2.13	1.28	3.05	1.38	3.97	2.62	2.73	4.45	4.93	0.71	3.57	34.15
2013	1.47	2.86	0.85	2.71	3.96	6.27	4.41	2.70	2.41	3.32	2.81	2.99	36.74
2014	1.23	2.39	2.36	3.85	3.17	2.06	7.70	2.27	1.33	1.89	2.41	2.31	32.97
2015	1.74	2.51	1.34	2.70	3.41	6.20	3.56	4.67	4.07	2.78	0.97	2.73	36.68
2016	1.52	3.78	1.82	1.56	2.93	0.91	1.22	3.91	2.30	5.26	2.60	2.91	30.72
2017	2.75	2.33	4.66	4.95	5.29	3.54	4.29	3.20	1.28	6.71	4.13	2.24	45.37
2018	3.11	2.15	3.02	3.50	1.70	2.22	3.20	2.67	2.81	3.83	4.54	2.60	35.35
2019	2.56	2.91	1.72	2.74	2.60	3.94	2.64	1.74	3.01	4.84	1.83	3.90	34.43

SEASON	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	*ANNUAL*
2020	2.81	2.51	1.64	3.24	1.92	1.48	5.54	2.70	2.29	2.76	2.28	2.13	31.30
2021	1.97	2.23	1.02	3.38	1.28	1.73	7.66	2.55	3.16	7.46	1.72	2.02	36.18
2022	2.50	3.45	1.55	2.58	2.41	2.04	1.78	3.37	2.81	1.25	3.19	2.14	29.07
2023	3.54	2.58	3.27	3.34	1.39	2.55	6.81	5.44	1.37	1.83	2.49	2.91	37.52
2024	4.18	0.68	1.94	4.35	3.14	3.40	2.56	3.53	3.69	2.62	2.81	2.48	35.38
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