Back to ListOttawa River at Hull

Monthly and Annual Mean Water Levels in Metres From 1965 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 --- --- --- --- --- --- --- --- --- 43.56 42.12
Mean 41.96 42.02 42.02 42.28 42.18 41.73 41.49 41.39 41.35 41.47 41.65 41.88 41.78 43.17 41.18
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Means Daily Maximum Daily Minimum