Lake Coulonge
| 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 | |
| 1972 | --- | --- | 106.30 | 106.17 | 107.26 | 106.28 | 106.27 | 106.26 | 106.25 | 106.30 | 106.26 | 106.31 | --- | 107.87 | 105.92 | |
| 1973 | 106.33 | 106.31 | 106.38 | 106.91 | 106.97 | 106.45 | 106.37 | 106.28 | 106.25 | 106.29 | 106.29 | 106.30 | 106.43 | 107.64 | 106.07 | |
| 1974 | 106.29 | 106.29 | 106.31 | 106.66 | 107.77 | 106.99 | 106.28 | 106.23 | 106.09 | 106.28 | 106.29 | 106.29 | 106.49 | 108.27 | 105.73 | |
| 1975 | 106.32 | 106.33 | 106.30 | 106.37 | 106.68 | 106.36 | 106.09 | 105.44 | 105.20 | 105.52 | 105.83 | 106.29 | 106.07 | 107.46 | 105.07 | |
| 1976 | 106.36 | 106.38 | 106.38 | 107.23 | 106.99 | 106.28 | 106.19 | 106.13 | 105.79 | 106.12 | 106.26 | 106.47 | 106.38 | 107.72 | 105.57 | |
| 1977 | 106.41 | 106.48 | 106.36 | 106.62 | 106.53 | 106.30 | 106.25 | 105.88 | 105.98 | 106.20 | 106.31 | 106.35 | 106.30 | 107.46 | 105.48 | |
| 1978 | --- | 106.38 | 106.32 | 106.36 | 106.55 | 106.35 | 106.14 | 105.74 | 105.91 | 106.22 | 106.33 | 106.41 | 106.25 | 107.15 | 105.46 | |
| 1979 | 106.57 | 106.52 | 106.49 | 106.88 | --- | --- | --- | --- | 106.30 | 106.40 | 106.38 | 106.53 | --- | 108.85 | 106.17 | |
| 1980 | 106.40 | 106.36 | 106.36 | 106.89 | 106.84 | 106.35 | 106.36 | 106.30 | --- | 106.34 | 106.32 | 106.42 | 106.44 | 107.52 | 106.04 | |
| 1981 | 106.40 | 106.54 | 106.48 | 107.30 | 106.39 | 106.29 | 106.01 | 106.08 | 106.14 | 106.23 | --- | 106.38 | 106.38 | 107.85 | 105.65 | |
| 1982 | 106.34 | 106.46 | 106.41 | --- | 106.34 | 106.28 | 106.22 | 105.77 | 105.91 | 106.21 | 106.33 | 106.44 | 106.25 | 107.00 | 105.64 | |
| 1983 | 106.52 | 106.49 | 106.39 | 106.28 | 107.27 | 106.67 | 106.15 | 106.08 | 105.84 | 106.24 | 106.18 | 106.40 | 106.36 | 108.16 | 105.58 | |
| 1984 | 106.48 | 106.52 | 106.49 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 106.65 | 106.32 | |
| 1985 | 106.50 | 106.39 | 106.41 | 106.73 | 107.25 | 106.24 | 106.30 | 106.14 | 106.02 | 106.05 | 106.26 | 106.45 | 106.40 | 108.40 | 105.88 | |
| 1986 | 106.51 | 106.43 | 106.43 | 106.75 | 106.40 | 106.32 | 106.10 | 106.17 | 106.11 | 106.33 | 106.38 | 106.42 | 106.36 | 107.02 | 105.80 | |
| 1987 | 106.54 | 106.47 | 106.38 | 106.34 | 106.11 | 105.93 | 105.97 | 105.92 | 105.74 | 105.83 | 106.28 | 106.38 | 106.16 | 106.64 | 105.66 | |
| 1988 | 106.45 | 106.49 | 106.43 | 106.78 | 106.53 | 106.19 | 106.00 | 106.24 | 106.28 | 106.40 | 106.62 | 106.41 | 106.40 | 107.05 | 105.89 | |
| 1989 | 106.50 | 106.47 | 106.45 | 106.38 | 106.62 | 106.65 | 106.20 | 105.96 | 105.86 | 105.71 | 106.26 | 106.52 | 106.30 | 107.20 | 105.62 | |
| 1990 | 106.53 | 106.46 | 106.46 | 106.29 | 106.51 | 106.32 | 106.32 | 106.10 | 106.10 | 106.39 | 106.39 | 106.67 | 106.38 | 107.21 | 105.97 | |
| 1991 | 106.55 | 106.51 | 106.46 | 107.09 | 106.48 | 106.19 | 105.91 | 105.77 | 105.95 | 106.11 | 106.33 | 106.50 | 106.32 | 107.50 | 105.68 | |
| 1992 | 106.51 | 106.51 | 106.50 | 106.54 | 106.56 | 106.16 | 106.10 | 105.95 | 106.14 | 106.24 | 106.41 | 106.41 | 106.34 | 107.36 | 105.80 | |
| 1993 | 106.48 | 106.48 | 106.38 | 106.32 | 106.33 | 106.21 | 105.98 | 105.82 | 105.91 | 106.28 | 106.29 | 106.43 | 106.24 | 106.61 | 105.71 | |
| 1994 | 106.50 | 106.52 | 106.48 | 106.34 | 106.29 | 106.29 | 106.29 | 106.23 | 106.12 | 106.24 | 106.25 | 106.35 | 106.32 | 106.60 | 105.90 | |
| 1995 | 106.46 | 106.46 | 106.43 | 106.17 | 106.60 | 106.40 | 106.09 | 106.03 | 105.78 | 105.94 | 106.34 | 106.38 | 106.26 | 107.27 | 105.70 | |
| 1996 | 106.44 | 106.45 | 106.47 | 106.57 | 107.38 | 106.32 | 106.29 | 106.30 | 106.06 | 106.10 | 106.26 | 106.43 | 106.42 | 107.88 | 105.93 | |
| 1997 | 106.49 | 106.48 | 106.43 | 106.76 | 107.32 | 106.33 | 106.36 | 105.89 | 106.07 | 106.23 | 106.29 | 106.35 | 106.42 | 107.78 | 105.81 | |
| 1998 | 106.42 | 106.43 | 106.41 | 107.05 | 106.15 | 106.09 | 106.07 | 105.84 | 105.89 | 105.94 | 106.00 | 106.35 | 106.22 | 107.79 | 105.73 | |
| 1999 | 106.48 | 106.45 | 106.44 | 106.43 | 105.99 | 106.30 | 106.30 | 106.04 | 105.92 | 106.35 | 106.43 | 106.53 | 106.30 | 106.78 | 105.74 | |
| 2000 | 106.43 | 106.53 | 106.51 | 106.40 | 106.36 | 106.37 | 106.23 | 106.31 | 106.12 | 106.07 | 106.19 | 106.43 | 106.33 | 106.66 | 105.86 | |
| 2001 | 106.44 | 106.46 | 106.45 | 106.50 | 106.48 | 106.36 | 106.13 | 105.85 | 105.98 | 106.56 | 106.59 | 106.58 | 106.36 | 107.01 | 105.76 | |
| 2002 | 106.35 | 106.43 | 106.42 | 107.09 | 106.93 | 106.70 | 106.35 | 106.15 | 106.01 | 106.02 | 106.12 | 106.25 | 106.40 | 108.32 | 105.86 | |
| 2003 | 106.45 | 106.44 | 106.44 | 106.40 | 106.39 | 106.35 | 106.32 | 106.32 | 106.20 | 106.41 | 106.51 | 106.40 | 106.39 | 106.94 | 106.13 | |
| 2004 | 106.45 | 106.44 | 106.44 | 106.58 | 106.90 | 106.33 | 106.52 | 106.15 | 106.15 | 106.11 | 106.23 | 106.47 | 106.40 | 107.44 | 105.90 | |
| 2005 | 106.47 | 106.46 | 106.48 | 106.82 | 106.40 | 106.35 | 106.11 | 105.99 | 105.91 | 106.09 | 106.28 | 106.37 | 106.31 | 107.23 | 105.73 | |
| 2006 | 106.39 | 106.47 | 106.49 | 107.11 | 106.43 | 106.34 | 106.19 | 106.20 | 106.09 | 106.45 | 106.46 | 106.57 | 106.43 | 107.63 | 105.91 | |
| 2007 | 106.53 | 106.47 | 106.48 | 106.47 | 106.34 | 106.46 | 106.35 | 106.05 | 105.92 | 105.80 | 106.00 | 106.42 | 106.27 | 106.77 | 105.75 | |
| 2008 | 106.46 | 106.50 | 106.49 | 106.89 | 106.86 | 106.47 | 106.47 | 106.43 | 106.35 | 106.29 | 106.36 | 106.41 | 106.50 | 107.49 | 106.25 | |
| 2009 | 106.51 | 106.51 | 106.48 | 106.94 | 106.93 | 106.41 | 106.43 | 106.40 | 106.24 | 106.36 | 106.42 | 106.38 | 106.50 | 107.72 | 106.01 | |
| 2010 | 106.51 | 106.52 | 106.48 | 106.34 | 106.14 | 106.04 | 105.94 | 105.88 | 106.07 | 106.36 | 106.37 | 106.51 | 106.26 | 106.74 | 105.76 | |
| 2011 | 106.54 | 106.52 | 106.51 | 106.58 | 106.88 | 106.47 | 106.41 | 106.13 | 105.98 | 106.00 | 106.29 | 106.38 | 106.39 | 107.55 | 105.82 | |
| 2012 | 106.52 | 106.61 | 106.84 | 106.47 | 106.27 | 106.18 | 105.92 | 105.92 | 105.97 | 106.20 | 106.45 | 106.41 | 106.31 | 107.58 | 105.85 | |
| 2013 | 106.54 | 106.54 | 106.50 | 106.74 | 107.57 | 106.62 | 106.18 | 106.06 | 106.15 | 106.25 | 106.53 | 106.43 | 106.51 | 107.96 | 105.93 | |
| 2014 | 106.51 | 106.53 | 106.52 | 106.59 | 107.48 | 106.35 | 106.35 | 106.22 | 106.37 | 106.58 | 106.52 | 106.38 | 106.54 | 108.01 | 106.12 | |
| 2015 | 106.60 | 106.56 | 106.51 | 106.71 | 106.52 | 106.29 | 106.15 | 106.10 | 106.09 | 106.04 | 106.28 | 106.50 | 106.36 | 107.38 | 105.97 | |
| 2016 | 106.64 | 106.55 | 106.77 | 107.08 | 106.64 | 106.29 | 106.14 | 106.12 | 106.07 | 106.06 | 106.04 | 106.16 | 106.38 | 107.60 | 105.84 | |
| 2017 | 106.49 | 106.54 | 106.50 | 107.18 | 107.61 | 106.51 | 106.29 | 106.28 | 106.25 | 106.20 | 106.16 | 106.35 | 106.53 | 108.52 | 105.89 | |
| 2018 | 106.49 | 106.51 | 106.47 | 106.26 | 107.15 | 106.40 | 106.01 | 106.13 | 106.20 | 106.49 | 106.29 | 106.27 | 106.39 | 107.84 | 105.81 | |
| 2019 | 106.50 | 106.56 | 106.58 | 107.15 | 108.76 | 106.99 | 106.14 | 105.95 | 105.85 | 105.92 | 106.25 | 106.25 | 106.58 | 109.17 | 105.73 | |
| 2020 | 106.42 | 106.52 | 106.46 | 106.94 | 106.51 | 106.10 | 106.14 | 106.08 | 106.00 | 106.24 | 106.35 | 106.21 | 106.33 | 107.44 | 105.89 | |
| 2021 | 106.36 | 106.49 | 106.47 | 106.23 | 106.18 | 105.96 | 106.16 | 106.06 | 105.90 | 106.13 | 106.02 | 106.20 | 106.18 | 106.68 | 105.73 | |
| Mean - Moyenne | 106.45 | 106.45 | 106.42 | 106.64 | 106.67 | 106.34 | 106.20 | 106.05 | 106.00 | 106.18 | 106.30 | 106.42 | 106.34 | 107.43 | 105.79 | |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Means | Daily Maximum | Daily Minimum | |