Rivière des Outaouais à Gatineau (Hull)

Monthly and Annual Mean Water Levels in Metres														Annual Extremes
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual Means	Daily Maximum	Daily Minimum
1965	41.49	41.59	41.67	41.68	42.04	41.46	41.31	41.40	41.61	42.23	41.97	42.02	41.71	42.41	41.21
1966	42.10	42.06	42.30	42.16	---	---	41.35	41.46	41.35	41.43	41.66	42.74	41.87	43.28	41.17
1967	42.48	42.41	41.94	42.49	42.45	42.14	41.77	41.46	41.43	41.69	42.19	42.04	42.04	43.16	41.30
1968	42.20	42.12	42.20	42.07	41.59	41.50	41.52	41.39	41.36	41.33	41.37	41.51	41.69	42.73	41.21
1969	41.72	41.77	41.74	41.98	42.11	41.84	41.54	41.43	41.36	41.40	41.79	41.89	41.72	42.53	41.26
1970	41.78	41.77	41.81	---	42.06	41.92	41.84	41.62	41.42	41.48	41.55	41.70	41.74	42.35	41.29
1971	41.71	41.79	41.95	42.20	42.30	41.57	41.33	41.31	41.29	---	---	---	---	43.11	41.09
1972	41.57	41.57	41.68	42.10	42.86	41.96	41.85	41.71	41.61	41.58	41.91	42.02	41.87	43.49	41.39
1973	42.04	42.21	42.82	42.77	42.65	42.13	41.83	41.53	41.45	41.58	41.54	41.88	42.04	43.94	41.20
1974	41.83	41.82	42.27	---	43.90	42.92	41.75	41.41	41.36	41.56	41.79	41.96	42.09	44.91	41.00
1975	42.09	42.04	42.07	42.10	42.11	41.75	41.35	41.36	41.34	41.43	41.46	41.74	41.74	43.02	41.00
1976	41.68	41.92	---	43.23	---	41.74	41.56	41.51	41.52	41.50	41.42	41.77	---	44.74	41.08
1977	41.75	41.72	42.29	42.34	---	41.38	41.41	41.36	---	41.36	41.55	42.05	41.71	43.43	41.12
1978	42.13	42.19	41.85	42.24	42.08	41.54	41.36	41.31	41.27	41.41	41.35	---	41.69	42.60	41.21
1979	41.67	41.68	42.12	42.51	43.21	41.82	41.50	41.43	41.38	41.65	41.93	42.35	41.95	44.12	41.29
1980	42.27	42.05	42.21	42.40	42.07	41.46	41.45	41.44	41.36	41.69	41.58	41.93	41.82	43.36	41.03
1981	41.98	42.53	42.26	42.74	42.15	42.04	41.50	41.37	41.54	41.60	41.67	41.58	41.91	44.25	41.03
1982	41.61	41.67	41.82	42.15	41.79	41.46	41.34	41.27	41.28	41.34	41.50	41.98	41.60	42.52	41.19
1983	42.34	42.25	42.14	42.06	42.96	42.22	41.40	41.33	41.27	41.33	41.44	41.74	41.87	44.00	40.91
1984	41.78	42.02	42.05	42.65	42.04	42.01	41.69	41.44	41.39	41.37	41.63	41.89	41.83	43.12	41.25
1985	42.27	42.28	42.41	42.34	42.54	41.51	41.45	41.57	41.35	41.34	41.41	41.60	41.84	43.53	41.22
1986	41.69	41.77	41.70	42.20	42.05	41.74	41.42	41.41	41.41	41.57	41.58	41.71	41.69	42.74	41.28
1987	41.76	41.72	41.75	42.11	41.35	41.35	41.29	41.26	41.24	41.26	41.36	41.59	41.50	42.57	41.16
1988	41.84	41.91	41.64	42.28	42.04	41.38	41.28	41.38	41.41	41.83	42.34	42.07	41.78	42.60	41.24
1989	42.09	42.14	41.93	42.06	42.18	42.06	41.39	41.26	41.28	41.27	41.53	41.83	41.75	42.86	41.14
1990	41.99	42.06	42.10	42.13	41.96	41.52	41.47	41.33	41.30	41.61	41.75	42.33	41.79	42.65	41.23
1991	42.27	42.29	42.15	42.82	41.92	41.40	41.28	41.24	41.26	41.34	41.45	41.82	41.77	43.47	41.19
1992	41.86	42.01	41.94	42.22	42.24	41.55	41.51	41.36	41.49	41.62	42.05	41.97	41.82	42.95	41.22
1993	42.15	42.13	41.84	42.38	41.55	41.63	41.35	41.28	41.29	41.52	41.82	41.86	41.73	42.79	41.21
1994	41.87	42.13	42.07	41.91	41.92	41.78	41.77	41.56	41.36	41.34	41.52	41.65	41.74	42.49	41.27
1995	42.23	42.39	42.22	41.54	41.91	41.86	41.34	41.31	41.23	41.21	41.61	41.93	41.73	42.90	41.20
1996	42.05	42.24	42.03	42.09	42.87	41.81	41.59	41.47	41.37	41.33	41.37	41.52	41.81	43.56	41.27
1997	42.01	42.27	42.29	42.56	43.19	41.75	41.55	41.35	41.34	41.36	41.49	41.54	41.89	43.79	41.28
1998	41.80	41.85	41.97	42.92	41.49	41.38	41.38	41.28	41.26	41.27	41.24	41.40	41.60	43.96	41.04
1999	41.84	42.02	41.96	42.05	41.40	41.53	41.46	41.31	41.28	41.46	41.94	42.25	41.71	42.96	41.23
2000	42.16	42.13	41.80	41.87	42.02	41.65	41.53	41.47	41.38	41.29	41.37	41.53	41.68	42.60	41.21
2001	41.68	41.86	41.81	41.96	41.63	41.49	41.30	41.24	41.27	41.68	42.01	42.15	41.67	42.27	41.19
2002	42.25	42.21	42.04	42.53	42.62	42.41	41.59	41.28	41.19	41.23	41.25	41.32	41.82	43.48	41.13
2003	41.45	41.54	41.70	41.85	41.60	41.55	41.35	41.46	41.29	41.55	42.31	42.70	41.70	43.10	41.22
2004	42.69	42.42	42.24	42.26	42.53	41.67	41.66	41.29	41.31	41.23	41.22	41.46	41.83	43.03	41.04
2005	41.90	41.85	41.60	42.61	41.89	41.49	41.35	41.24	41.16	41.29	41.45	---	41.63	42.93	41.07
2006	42.18	42.32	42.25	42.67	41.94	41.55	41.44	41.41	41.34	41.90	42.35	42.41	41.98	42.95	41.24
2007	42.56	42.46	42.26	42.02	41.59	41.77	41.48	41.27	41.23	41.22	41.21	41.48	41.71	42.95	41.12
2008	42.29	42.38	42.33	43.06	42.46	41.90	41.98	41.85	41.51	41.41	41.55	41.98	42.06	43.64	41.26
2009	42.35	42.40	42.31	42.73	42.55	41.91	41.70	41.66	41.36	41.42	41.69	41.76	41.98	43.32	41.22
2010	41.88	41.97	41.86	41.49	41.29	41.26	41.22	41.21	41.34	41.61	41.63	42.40	41.60	42.84	40.97
2011	42.24	42.15	42.25	42.25	42.53	41.80	41.50	41.30	41.28	41.29	41.36	41.61	41.80	43.18	41.16
2012	41.93	41.99	42.35	41.88	41.57	41.33	41.22	41.22	41.23	41.41	41.74	41.82	41.64	42.94	41.14
2013	42.09	42.30	42.16	42.54	43.04	42.31	41.44	41.31	41.31	41.47	42.03	41.94	41.99	43.44	41.24
2014	42.10	42.16	41.76	42.52	43.04	41.85	41.44	41.37	41.51	41.89	41.94	41.96	41.96	43.43	41.29
2015	42.54	42.51	42.06	42.12	41.86	41.58	41.30	41.30	41.32	41.27	41.46	41.89	41.76	42.83	41.18
2016	42.80	42.72	42.89	42.98	42.26	41.64	41.33	41.30	41.28	41.29	41.30	41.56	41.94	43.56	41.01
2017	41.89	42.04	42.54	43.31	43.86	42.26	41.90	41.50	41.52	41.43	41.81	42.14	42.18	45.20	41.35
2018	42.37	42.32	41.92	41.77	42.81	41.84	41.36	41.36	41.57	41.81	41.86	41.93	41.91	43.53	41.24
2019	42.13	42.42	42.20	43.19	44.59	42.60	41.46	41.23	41.23	41.16	41.58	41.66	42.12	45.17	40.94
2020	41.99	42.01	42.16	42.79	42.05	41.69	41.39	41.45	41.52	41.73	41.88	41.94	41.88	43.28	41.29
2021	42.41	42.27	42.15	41.63	41.36	41.24	41.42	41.31	41.36	41.64	41.51	41.76	41.67	42.58	41.17
2022	42.02	41.99	42.15	42.60	42.54	42.43	41.48	41.39	---	41.44	41.43	41.72	41.92	43.08	41.23
2023	42.38	42.35	41.98	42.96	43.12	41.48	41.41	41.43	41.39	41.61	41.88	41.75	41.98	44.68	41.26
Mean - Moyenne	42.04	42.09	42.07	42.33	42.28	41.76	41.48	41.39	41.36	41.48	41.65	41.87	41.81	45.20 (max)	40.91 (min)
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual Means	Daily Maximum	Daily Minimum

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