Back to ListOttawa River at Thurso

Monthly and Annual Mean Water Levels in Metres From 1991 Annual Extremes
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Means Daily Maximum Daily Minimum
1991 41.66 41.65 41.65 41.90 41.43 41.26 41.22 41.20 41.21 41.25 41.29 41.44 41.43 42.44 41.14
1992 41.47 41.49 41.46 41.68 41.54 41.26 41.26 41.24 41.32 41.38 41.59 41.52 41.43 41.93 41.20
1993 41.56 41.48 41.38 41.74 41.33 41.36 41.23 41.22 41.22 41.39 41.48 41.46 41.40 42.05 41.16
1994 41.41 41.52 41.49 41.45 41.53 41.45 41.45 41.35 41.25 41.23 41.32 41.36 41.40 41.85 41.04
1995 41.67 41.81 41.72 41.30 41.48 41.46 41.21 41.20 41.16 41.18 41.33 41.43 41.41 42.21 41.06
1996 41.56 41.64 41.54 41.54 41.74 41.40 41.31 41.27 41.22 41.24 41.29 41.34 41.42 42.20 41.13
1997 41.45 41.58 41.64 41.66 42.06 41.39 41.28 41.21 41.21 41.22 41.27 41.29 41.44 42.50 41.11
1998 41.38 41.40 41.50 41.90 41.26 41.22 41.22 41.17 41.16 41.16 41.16 41.23 41.31 42.74 41.05
1999 41.38 41.49 41.49 41.46 41.25 41.29 41.26 41.19 41.19 41.32 41.48 41.61 41.37 41.94 41.09
2000 41.49 41.48 41.30 41.47 41.57 41.35 41.29 41.27 41.23 41.19 41.23 41.23 41.34 41.87 40.81
2001 41.30 41.39 41.36 41.41 41.35 41.29 41.20 41.17 41.20 41.34 41.49 41.56 41.34 41.67 41.13
2002 41.59 41.49 41.53 41.63 41.78 41.64 41.27 41.15 41.14 41.16 41.16 41.17 41.39 42.16 41.04
2003 41.17 41.18 41.32 41.47 41.33 41.32 41.21 41.25 41.17 41.30 41.68 41.92 41.36 42.21 41.05
2004 41.87 41.67 41.65 41.65 41.84 41.44 41.30 41.13 41.15 41.12 41.10 41.15 41.42 42.17 40.96
2005 41.35 41.29 41.17 41.76 41.44 41.26 41.20 41.17 41.10 41.20 41.23 --- 41.29 41.97 41.02
2006 41.63 41.73 41.67 41.76 41.53 41.32 41.28 41.27 41.24 41.40 41.68 41.69 41.52 42.09 41.20
2007 41.76 41.71 41.66 41.52 41.33 41.42 41.27 41.18 41.16 41.16 41.16 41.27 41.38 42.00 41.05
2008 41.62 41.69 41.69 42.20 41.75 41.48 41.54 41.50 41.30 41.25 41.32 41.48 41.57 42.57 41.12
2009 41.65 41.65 41.72 41.84 41.77 41.46 41.41 41.38 41.22 41.24 41.37 41.34 41.50 42.30 41.12
2010 41.39 41.44 41.46 41.28 41.21 41.20 41.17 41.16 41.24 41.35 41.37 41.74 41.33 42.01 40.93
2011 41.57 41.51 41.66 41.58 41.75 41.42 41.30 41.21 41.20 41.19 41.20 41.32 41.41 42.09 41.02
2012 41.42 41.47 41.66 41.46 41.37 41.24 41.19 41.17 41.18 41.26 41.37 41.44 41.35 41.89 41.09
2013 41.52 41.64 41.58 41.80 41.98 41.65 41.27 41.20 41.21 41.29 41.56 41.48 41.51 42.24 41.16
2014 41.56 41.56 41.35 41.82 41.98 41.46 41.27 41.25 41.31 41.45 41.45 41.48 41.50 42.22 41.19
2015 41.71 41.55 41.42 41.54 41.44 41.32 41.20 41.20 41.22 41.19 41.28 41.47 41.38 41.90 41.12
2016 41.94 42.06 42.07 41.99 41.62 41.35 41.21 41.19 41.18 41.18 41.20 41.31 41.52 42.63 41.00
2017 41.44 41.52 41.78 42.28 42.62 41.62 41.47 41.28 41.29 41.25 41.45 41.53 41.63 43.69 41.18
2018 41.69 41.66 41.50 41.39 41.89 41.43 41.24 41.21 41.32 41.40 41.43 41.46 41.47 42.31 41.09
2019 41.52 41.65 41.57 42.32 43.13 41.75 41.23 41.14 --- --- --- --- --- 43.66 41.03
Mean 41.54 41.57 41.55 41.68 41.67 41.40 41.27 41.23 41.21 41.26 41.36 41.43 41.42 42.26 41.08
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Means Daily Maximum Daily Minimum