Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

Lake Coulonge

Monthly and Annual Mean Water Levels in MetresAnnual Extremes
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual MeansDaily MaximumDaily Minimum
1972------106.30106.17107.26106.28106.27106.26106.25106.30106.26106.31---107.87105.92
1973106.33106.31106.38106.91106.97106.45106.37106.28106.25106.29106.29106.30106.43107.64106.07
1974106.29106.29106.31106.66107.77106.99106.28106.23106.09106.28106.29106.29106.49108.27105.73
1975106.32106.33106.30106.37106.68106.36106.09105.44105.20105.52105.83106.29106.07107.46105.07
1976106.36106.38106.38107.23106.99106.28106.19106.13105.79106.12106.26106.47106.38107.72105.57
1977106.41106.48106.36106.62106.53106.30106.25105.88105.98106.20106.31106.35106.30107.46105.48
1978---106.38106.32106.36106.55106.35106.14105.74105.91106.22106.33106.41106.25107.15105.46
1979106.57106.52106.49106.88------------106.30106.40106.38106.53---108.85106.17
1980106.40106.36106.36106.89106.84106.35106.36106.30---106.34106.32106.42106.44107.52106.04
1981106.40106.54106.48107.30106.39106.29106.01106.08106.14106.23---106.38106.38107.85105.65
1982106.34106.46106.41---106.34106.28106.22105.77105.91106.21106.33106.44106.25107.00105.64
1983106.52106.49106.39106.28107.27106.67106.15106.08105.84106.24106.18106.40106.36108.16105.58
1984106.48106.52106.49------------------------------106.65106.32
1985106.50106.39106.41106.73107.25106.24106.30106.14106.02106.05106.26106.45106.40108.40105.88
1986106.51106.43106.43106.75106.40106.32106.10106.17106.11106.33106.38106.42106.36107.02105.80
1987106.54106.47106.38106.34106.11105.93105.97105.92105.74105.83106.28106.38106.16106.64105.66
1988106.45106.49106.43106.78106.53106.19106.00106.24106.28106.40106.62106.41106.40107.05105.89
1989106.50106.47106.45106.38106.62106.65106.20105.96105.86105.71106.26106.52106.30107.20105.62
1990106.53106.46106.46106.29106.51106.32106.32106.10106.10106.39106.39106.67106.38107.21105.97
1991106.55106.51106.46107.09106.48106.19105.91105.77105.95106.11106.33106.50106.32107.50105.68
1992106.51106.51106.50106.54106.56106.16106.10105.95106.14106.24106.41106.41106.34107.36105.80
1993106.48106.48106.38106.32106.33106.21105.98105.82105.91106.28106.29106.43106.24106.61105.71
1994106.50106.52106.48106.34106.29106.29106.29106.23106.12106.24106.25106.35106.32106.60105.90
1995106.46106.46106.43106.17106.60106.40106.09106.03105.78105.94106.34106.38106.26107.27105.70
1996106.44106.45106.47106.57107.38106.32106.29106.30106.06106.10106.26106.43106.42107.88105.93
1997106.49106.48106.43106.76107.32106.33106.36105.89106.07106.23106.29106.35106.42107.78105.81
1998106.42106.43106.41107.05106.15106.09106.07105.84105.89105.94106.00106.35106.22107.79105.73
1999106.48106.45106.44106.43105.99106.30106.30106.04105.92106.35106.43106.53106.30106.78105.74
2000106.43106.53106.51106.40106.36106.37106.23106.31106.12106.07106.19106.43106.33106.66105.86
2001106.44106.46106.45106.50106.48106.36106.13105.85105.98106.56106.59106.58106.36107.01105.76
2002106.35106.43106.42107.09106.93106.70106.35106.15106.01106.02106.12106.25106.40108.32105.86
2003106.45106.44106.44106.40106.39106.35106.32106.32106.20106.41106.51106.40106.39106.94106.13
2004106.45106.44106.44106.58106.90106.33106.52106.15106.15106.11106.23106.47106.40107.44105.90
2005106.47106.46106.48106.82106.40106.35106.11105.99105.91106.09106.28106.37106.31107.23105.73
2006106.39106.47106.49107.11106.43106.34106.19106.20106.09106.45106.46106.57106.43107.63105.91
2007106.53106.47106.48106.47106.34106.46106.35106.05105.92105.80106.00106.42106.27106.77105.75
2008106.46106.50106.49106.89106.86106.47106.47106.43106.35106.29106.36106.41106.50107.49106.25
2009106.51106.51106.48106.94106.93106.41106.43106.40106.24106.36106.42106.38106.50107.72106.01
2010106.51106.52106.48106.34106.14106.04105.94105.88106.07106.36106.37106.51106.26106.74105.76
2011106.54106.52106.51106.58106.88106.47106.41106.13105.98106.00106.29106.38106.39107.55105.82
2012106.52106.61106.84106.47106.27106.18105.92105.92105.97106.20106.45106.41106.31107.58105.85
2013106.54106.54106.50106.74107.57106.62106.18106.06106.15106.25106.53106.43106.51107.96105.93
2014106.51106.53106.52106.59107.48106.35106.35106.22106.37106.58106.52106.38106.54108.01106.12
2015106.60106.56106.51106.71106.52106.29106.15106.10106.09106.04106.28106.50106.36107.38105.97
2016106.64106.55106.77107.08106.64106.29106.14106.12106.07106.06106.04106.16106.38107.60105.84
2017106.49106.54106.50107.18107.61106.51106.29106.28106.25106.20106.16106.35106.53108.52105.89
2018106.49106.51106.47106.26107.15106.40106.01106.13106.20106.49106.29106.27106.39107.84105.81
2019106.50106.56106.58107.15108.76106.99106.14105.95105.85105.92106.25106.25106.58109.17105.73
2020106.42106.52106.46106.94106.51106.10106.14106.08106.00106.24106.35106.21106.33107.44105.89
2021106.36106.49106.47106.23106.18105.96106.16106.06105.90106.13106.02106.20106.18106.68105.73
2022106.41106.41106.41106.93106.80106.56106.16106.10---106.05106.00106.17106.36107.62105.92
2023106.26106.42106.41107.12107.35106.15106.15106.14106.21106.34106.43106.23106.43108.77105.99
Mean - Moyenne106.46106.47106.45106.67106.76106.35106.20106.07106.03106.19106.29106.39106.36109.17 (max)105.07 (min)
YearJanFebMarAprMayJunJulAugSepOctNovDecAnnual MeansDaily MaximumDaily Minimum

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