Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

Gatineau River at Maniwaki

Monthly and Annual Mean Water Levels in MetresAnnual Extremes
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual MeansDaily MaximumDaily Minimum
1950163.47163.72163.69162.69162.79162.82162.93163.22163.27163.20163.03163.27163.18164.43162.28
1951163.32163.51163.39164.21163.16163.36163.30163.26163.28163.66164.01164.29163.56166.38162.46
1952163.81163.88163.62163.05165.06163.89163.67---163.14163.18163.16163.20163.59166.87162.13
1953163.61------------162.96162.98---162.99163.14163.09162.97---163.87161.65
1954163.43163.65163.78162.78162.82163.38163.06163.10163.17163.96163.53163.51163.35165.40162.02
1955163.70163.71163.61163.65162.97162.97162.98162.69162.88162.87163.14163.44163.22164.22161.90
1956163.88163.80163.68162.98162.72---162.97163.18164.00163.97163.45163.60163.43164.67161.76
1957163.83163.86163.57162.69163.06162.89163.28163.10163.53163.60163.69163.76163.40164.31162.06
1958164.04164.25163.94163.22163.23163.04163.17163.35163.30163.25163.49163.75163.49164.59161.89
1959163.96163.94163.73162.98162.99162.74162.84162.95162.68162.71162.98163.44163.16164.54161.67
1960163.81163.63---163.10164.38163.57163.83163.72163.49163.27163.54164.23163.69165.84162.60
1961164.23164.00163.65162.74162.60162.69163.09162.99163.57163.44163.21163.37163.29164.58162.18
1962163.96164.29163.93162.65162.88162.76162.97163.21162.98162.65162.55163.13163.16164.61162.07
1963163.44163.31163.38162.75162.70162.59162.66162.70162.63163.07163.10163.50162.99164.10162.08
1964163.66163.46163.19162.99162.72162.95162.68162.80162.85163.26163.15163.59163.09164.02162.00
1965164.07163.91163.36162.27162.80162.70162.80163.02163.00164.41164.11163.80163.35165.53161.71
1966163.77163.79163.66163.40163.60163.48163.29163.28163.22163.29163.42163.39163.46164.29161.90
1967163.86164.24163.99163.26163.88164.06163.35163.41163.33163.18164.65163.67163.73165.24161.90
1968164.24164.14163.68163.01163.42163.44163.47163.32162.66162.71162.91163.52163.38164.63161.80
1969164.61164.32163.92162.78162.80163.41163.50162.99162.84163.14163.27163.69163.44164.96161.53
1970163.87163.82163.41162.96163.53164.16163.75163.52163.21163.27163.58163.42163.54165.49162.21
1971163.73164.05163.63162.46163.03163.19163.46163.19163.44163.22162.96163.34163.30164.61161.71
1972163.64163.20162.90163.31163.50163.64164.12163.77163.48163.52163.72163.56163.52164.53162.80
1973163.60---163.77163.57163.94164.03163.96---163.84163.96163.94164.21163.86165.03162.84
1974163.72163.67163.52162.86---165.99164.17163.45163.08163.01163.74163.89163.79167.47161.93
1975---163.75163.45163.35163.09163.37163.11---163.00162.91162.86163.25163.24164.46162.25
1976164.01164.19163.55163.69164.44163.11163.24163.65163.35162.79162.62163.93163.57165.09162.55
1977164.00164.25164.02163.64163.85162.83162.78162.76162.83162.65162.58163.58163.31164.99161.92
1978163.82164.06162.91162.50162.44162.91162.92163.00162.78162.64162.49162.80162.93164.51161.71
1979164.03164.26163.76163.52164.67163.23162.93162.98163.03163.39163.77164.05163.63166.76162.39
1980164.28164.12163.43163.19162.67162.98162.95162.93162.92163.20163.35163.41163.28164.40162.32
1981164.37163.96164.20164.62164.55164.19163.14162.98162.97162.92162.95162.95163.63165.31162.41
1982163.27163.75163.33162.97162.67162.56162.20162.86162.64162.87162.77162.78162.86163.99161.85
1983163.78163.74163.52162.98164.68164.04163.04163.13162.97162.79162.54162.92163.36165.76162.18
1984163.58163.25163.43163.39163.19163.68163.16163.00163.16163.05163.34163.30163.29164.25162.61
1985163.98163.78163.63163.28163.28162.99163.01163.58163.11163.07163.10163.27163.34164.39162.23
1986163.53163.47162.45162.81163.46163.51163.06162.91162.90162.96162.75163.41163.10164.45162.18
1987163.54163.35162.79162.71162.21162.82162.56162.48162.53162.57162.95163.15162.80163.77162.06
1988163.90163.46162.40163.03163.26162.67162.64162.98163.11164.02164.86163.84163.35165.18162.05
1989163.74163.73163.42163.08163.06163.20162.77162.61162.70163.03163.56163.81163.22164.00162.43
1990163.69163.53163.00162.99162.67162.97163.07163.29162.90163.18163.53163.74163.22163.94162.25
1991163.83164.14163.83163.89163.25162.99162.75162.53162.75163.23163.35163.61163.34164.50162.44
1992163.73163.75163.23162.92163.85163.07162.96162.91163.11163.70163.66163.63163.38164.50162.10
1993163.77163.90163.02162.64162.40162.49162.69162.60162.66163.30163.87163.50163.06164.97162.24
1994164.31164.57163.45162.46163.83163.69163.76163.11162.59162.52162.78163.38163.37164.83162.00
1995163.47163.93163.55162.28162.79163.14162.65162.43162.37162.37162.75163.15162.90164.21161.88
1996163.37163.34162.99162.51164.06163.24162.64162.85162.83162.90162.83163.09163.05164.61161.94
1997163.45163.46163.15163.59165.26163.72163.53163.11162.70162.54163.07163.42163.42165.53162.21
1998163.28162.67162.61163.61162.46162.51162.80162.19162.17162.21162.25162.87162.64164.28162.02
1999163.73163.45162.95162.60163.19163.44162.67162.32162.17162.89163.73163.77163.07164.80161.97
2000164.03163.81162.89162.18163.68163.53163.27162.87162.93162.77162.74162.98163.14164.88161.87
2001163.13163.22162.65162.45162.03162.47162.66162.39162.71163.01163.43163.57162.81163.73161.85
2002163.74163.73163.93163.60164.39163.93163.23162.91162.67162.51162.44162.60163.30164.98162.00
2003163.36163.32163.11162.45162.20162.32162.49163.44162.57163.19164.21164.14163.07165.48161.96
2004163.96163.98163.41162.76164.43163.16162.81162.74162.84162.30162.30162.61163.11164.97162.23
2005163.42163.63162.96163.26163.52162.72162.58162.58162.45162.56162.89---162.99164.46162.13
2006163.68163.72163.68163.52163.25162.73163.24163.02162.94163.55164.21164.10163.47164.67162.36
2007163.89164.06163.46162.57162.45163.17162.85162.39162.37162.23162.31162.46162.84164.20162.17
2008163.09163.78163.34163.46163.69163.12164.08164.24163.41162.98163.09163.47163.48165.02162.48
2009163.67163.48163.35163.75163.88163.51163.84163.38162.97162.79162.95162.76163.36164.19162.56
2010163.09163.22162.82162.19161.97162.09162.09162.00162.39163.03162.87163.64162.62164.04161.81
2011163.60163.46163.49163.05163.41163.27162.68162.32162.38162.17162.15162.78162.89163.99162.03
2012163.31163.30163.17163.01162.40162.11161.97161.94161.99162.69162.90163.14162.66163.65161.91
2013163.47163.75163.55163.67164.66164.09162.48162.23162.34163.12163.70163.51163.38164.83162.05
2014163.61163.60162.79162.94164.17163.19162.63162.61162.86163.66163.54163.53163.26164.65162.18
2015163.77163.76162.79162.56162.40162.15162.39162.67162.80162.42162.83163.51162.83164.15162.02
2016164.00164.05163.98164.24164.40163.93162.68162.33162.40162.46162.46163.22163.34164.79162.04
2017163.43163.24163.70164.15165.77164.32163.28162.80162.92162.67162.88163.49163.56166.17162.28
2018163.77163.59163.02162.53164.04163.78162.73163.20163.90163.63163.51163.18163.40164.48162.20
2019163.78163.82163.24163.47165.84164.57162.92162.19162.28162.86163.10162.82163.41166.47161.93
2020163.32163.47163.38164.19163.35163.67162.76163.23163.72163.79163.69163.61163.51164.43162.29
2021163.84163.79163.38162.21161.90161.89162.34161.98162.80163.54163.06163.17162.82164.24161.83
2022163.75163.46163.03164.11165.12165.10163.21162.93---162.60162.72163.06163.54166.55162.35
2023163.20163.40163.33163.85164.36162.67163.00163.24163.05163.03163.56163.42163.34165.21162.32
Mean - Moyenne163.72163.73163.38163.11163.43163.25163.02162.93162.93163.06163.21163.41163.27167.47 (max)161.53 (min)
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual MeansDaily MaximumDaily Minimum

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