Country: Canada
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St. Malo Lake water level history

Daily records since 1959 · Level today: 256.116 m

Highest on record
257.087 m
Jun 16, 2002
Lowest on record
249.610 m
Jul 30, 1959
Today
256.116 m
Oct 22, 2026
Years of data
67
since 1959

In short

Across 40 complete years, 1976 had the lowest average level (255.739 m) and 2005 the highest (256.204 m).

On average the lake is lowest in September (255.809 m) and highest in May (256.228 m).

St. Malo Lake level, all years

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Each year's lowest and highest level

2492512532552581959196719751983199119992007201520261959: lowest 249.61 m (1959-07-30), highest 256.19 m (1959-06-19), average 253.47 m, 187 days measured1960: lowest 250.67 m (1960-08-29), highest 256.49 m (1960-04-19), average 254.12 m, 290 days measured1961: lowest 250.40 m (1961-03-17), highest 256.21 m (1961-05-05), average 254.56 m, 234 days measured1962: lowest 255.92 m (1962-12-12), highest 256.30 m (1962-05-24), average 256.12 m, 270 days measured1963: lowest 255.53 m (1963-01-25), highest 256.64 m (1963-06-26), average 256.23 m, 300 days measured1964: lowest 255.85 m (1964-03-31), highest 256.34 m (1964-05-06), average 256.10 m, 359 days measured1965: lowest 253.83 m (1965-09-27), highest 256.46 m (1965-05-06), average 255.86 m, 360 days measured1966: lowest 256.05 m (1966-12-13), highest 256.38 m (1966-05-24), average 256.15 m, 181 days measured1967: lowest 255.83 m (1967-10-05), highest 256.58 m (1967-04-21), average 256.09 m, 349 days measured1968: lowest 256.03 m (1968-01-18), highest 256.25 m (1968-08-25), average 256.14 m, 343 days measured1969: lowest 256.01 m (1969-08-29), highest 256.40 m (1969-04-20), average 256.10 m, 365 days measured1970: lowest 255.94 m (1970-08-28), highest 256.44 m (1970-05-16), average 256.11 m, 365 days measured1971: lowest 255.98 m (1971-09-29), highest 256.29 m (1971-04-23), average 256.09 m, 365 days measured1972: lowest 255.80 m (1972-08-16), highest 256.24 m (1972-05-08), average 256.06 m, 297 days measured1973: lowest 256.04 m (1973-01-19), highest 256.18 m (1973-10-23), average 256.09 m, 352 days measured1974: lowest 255.88 m (1974-08-14), highest 256.53 m (1974-04-26), average 256.10 m, 353 days measured1975: lowest 255.82 m (1975-09-26), highest 256.20 m (1975-07-01), average 256.03 m, 334 days measured1976: lowest 254.92 m (1976-12-27), highest 256.21 m (1976-04-15), average 255.74 m, 366 days measured1977: lowest 254.91 m (1977-02-01), highest 256.34 m (1977-05-10), average 255.77 m, 365 days measured1978: lowest 255.82 m (1978-09-11), highest 256.29 m (1978-04-19), average 256.06 m, 365 days measured1979: lowest 255.99 m (1979-10-17), highest 256.37 m (1979-04-19), average 256.08 m, 365 days measured1980: lowest 255.74 m (1980-09-11), highest 256.20 m (1980-04-20), average 256.02 m, 366 days measured1981: lowest 256.02 m (1981-09-05), highest 256.20 m (1981-10-31), average 256.09 m, 365 days measured1982: lowest 256.01 m (1982-02-09), highest 256.33 m (1982-04-15), average 256.12 m, 365 days measured1983: lowest 255.96 m (1983-09-07), highest 256.41 m (1983-04-08), average 256.10 m, 365 days measured1984: lowest 255.86 m (1984-10-06), highest 256.22 m (1984-07-09), average 256.05 m, 366 days measured1985: lowest 256.02 m (1985-02-04), highest 256.20 m (1985-05-13), average 256.11 m, 365 days measured1986: lowest 255.76 m (1986-10-31), highest 256.52 m (1986-05-06), average 256.13 m, 365 days measured1987: lowest 255.94 m (1987-10-04), highest 256.48 m (1987-04-06), average 256.07 m, 365 days measured1988: lowest 255.59 m (1988-12-07), highest 256.14 m (1988-04-16), average 255.84 m, 315 days measured1989: lowest 255.60 m (1989-01-01), highest 256.15 m (1989-05-03), average 255.92 m, 365 days measured1990: lowest 255.68 m (1990-11-29), highest 256.23 m (1990-07-09), average 255.94 m, 334 days measured1991: lowest 255.70 m (1991-01-01), highest 256.34 m (1991-07-16), average 255.98 m, 365 days measured1992: lowest 256.01 m (1992-08-22), highest 256.46 m (1992-04-06), average 256.09 m, 346 days measured1993: lowest 255.38 m (1993-10-14), highest 256.29 m (1993-07-29), average 256.08 m, 365 days measured1994: lowest 256.03 m (1994-01-10), highest 256.21 m (1994-11-21), average 256.10 m, 365 days measured1995: lowest 256.00 m (1995-08-17), highest 256.42 m (1995-03-28), average 256.09 m, 365 days measured1996: lowest 256.01 m (1996-08-31), highest 256.60 m (1996-04-30), average 256.13 m, 338 days measured1997: lowest 256.02 m (1997-09-20), highest 256.81 m (1997-04-25), average 256.13 m, 346 days measured1998: lowest 255.92 m (1998-10-03), highest 256.52 m (1998-05-16), average 256.12 m, 365 days measured1999: lowest 256.02 m (1999-10-07), highest 256.30 m (1999-05-24), average 256.12 m, 304 days measured2000: lowest 256.03 m (2000-02-16), highest 256.71 m (2000-11-11), average 256.20 m, 366 days measured2001: lowest 256.03 m (2001-10-05), highest 256.60 m (2001-04-15), average 256.18 m, 365 days measured2002: lowest 256.03 m (2002-10-27), highest 257.09 m (2002-06-16), average 256.12 m, 242 days measured2003: lowest 256.02 m (2003-08-24), highest 256.33 m (2003-06-17), average 256.11 m, 365 days measured2004: lowest 256.08 m (2004-01-01), highest 256.43 m (2004-05-27), average 256.16 m, 14 days measured2005: lowest 256.02 m (2005-09-15), highest 256.78 m (2005-07-12), average 256.20 m, 365 days measured2006: lowest 255.73 m (2006-10-13), highest 256.68 m (2006-04-06), average 256.07 m, 365 days measured2007: lowest 256.01 m (2007-10-04), highest 256.37 m (2007-05-27), average 256.15 m, 316 days measured2008: lowest 256.06 m (2008-09-21), highest 256.33 m (2008-11-08), average 256.16 m, 313 days measured2009: lowest 256.05 m (2009-03-15), highest 256.63 m (2009-04-14), average 256.22 m, 293 days measured2010: lowest 256.05 m (2010-08-28), highest 256.71 m (2010-06-03), average 256.19 m, 342 days measured2011: lowest 255.89 m (2011-09-19), highest 256.70 m (2011-04-13), average 256.11 m, 329 days measured2012: lowest 255.73 m (2012-10-03), highest 256.16 m (2012-03-25), average 256.03 m, 366 days measured2013: lowest 256.01 m (2013-12-27), highest 256.42 m (2013-06-02), average 256.10 m, 260 days measured2014: lowest 256.00 m (2014-01-17), highest 256.55 m (2014-07-06), average 256.13 m, 365 days measured2015: lowest 256.06 m (2015-03-11), highest 256.35 m (2015-09-11), average 256.16 m, 187 days measured2017: lowest 255.87 m (2017-09-14), highest 256.52 m (2017-04-13), average 256.10 m, 324 days measured2018: lowest 256.05 m (2018-01-10), highest 256.26 m (2018-06-04), average 256.12 m, 214 days measured2019: lowest 256.02 m (2019-03-07), highest 256.78 m (2019-10-16), average 256.23 m, 300 days measured2026: lowest 256.08 m (2026-09-25), highest 256.13 m (2026-10-15), average 256.10 m, 30 days measured
249251253255258195919761993201020261959: lowest 249.61 m (1959-07-30), highest 256.19 m (1959-06-19), average 253.47 m, 187 days measured1960: lowest 250.67 m (1960-08-29), highest 256.49 m (1960-04-19), average 254.12 m, 290 days measured1961: lowest 250.40 m (1961-03-17), highest 256.21 m (1961-05-05), average 254.56 m, 234 days measured1962: lowest 255.92 m (1962-12-12), highest 256.30 m (1962-05-24), average 256.12 m, 270 days measured1963: lowest 255.53 m (1963-01-25), highest 256.64 m (1963-06-26), average 256.23 m, 300 days measured1964: lowest 255.85 m (1964-03-31), highest 256.34 m (1964-05-06), average 256.10 m, 359 days measured1965: lowest 253.83 m (1965-09-27), highest 256.46 m (1965-05-06), average 255.86 m, 360 days measured1966: lowest 256.05 m (1966-12-13), highest 256.38 m (1966-05-24), average 256.15 m, 181 days measured1967: lowest 255.83 m (1967-10-05), highest 256.58 m (1967-04-21), average 256.09 m, 349 days measured1968: lowest 256.03 m (1968-01-18), highest 256.25 m (1968-08-25), average 256.14 m, 343 days measured1969: lowest 256.01 m (1969-08-29), highest 256.40 m (1969-04-20), average 256.10 m, 365 days measured1970: lowest 255.94 m (1970-08-28), highest 256.44 m (1970-05-16), average 256.11 m, 365 days measured1971: lowest 255.98 m (1971-09-29), highest 256.29 m (1971-04-23), average 256.09 m, 365 days measured1972: lowest 255.80 m (1972-08-16), highest 256.24 m (1972-05-08), average 256.06 m, 297 days measured1973: lowest 256.04 m (1973-01-19), highest 256.18 m (1973-10-23), average 256.09 m, 352 days measured1974: lowest 255.88 m (1974-08-14), highest 256.53 m (1974-04-26), average 256.10 m, 353 days measured1975: lowest 255.82 m (1975-09-26), highest 256.20 m (1975-07-01), average 256.03 m, 334 days measured1976: lowest 254.92 m (1976-12-27), highest 256.21 m (1976-04-15), average 255.74 m, 366 days measured1977: lowest 254.91 m (1977-02-01), highest 256.34 m (1977-05-10), average 255.77 m, 365 days measured1978: lowest 255.82 m (1978-09-11), highest 256.29 m (1978-04-19), average 256.06 m, 365 days measured1979: lowest 255.99 m (1979-10-17), highest 256.37 m (1979-04-19), average 256.08 m, 365 days measured1980: lowest 255.74 m (1980-09-11), highest 256.20 m (1980-04-20), average 256.02 m, 366 days measured1981: lowest 256.02 m (1981-09-05), highest 256.20 m (1981-10-31), average 256.09 m, 365 days measured1982: lowest 256.01 m (1982-02-09), highest 256.33 m (1982-04-15), average 256.12 m, 365 days measured1983: lowest 255.96 m (1983-09-07), highest 256.41 m (1983-04-08), average 256.10 m, 365 days measured1984: lowest 255.86 m (1984-10-06), highest 256.22 m (1984-07-09), average 256.05 m, 366 days measured1985: lowest 256.02 m (1985-02-04), highest 256.20 m (1985-05-13), average 256.11 m, 365 days measured1986: lowest 255.76 m (1986-10-31), highest 256.52 m (1986-05-06), average 256.13 m, 365 days measured1987: lowest 255.94 m (1987-10-04), highest 256.48 m (1987-04-06), average 256.07 m, 365 days measured1988: lowest 255.59 m (1988-12-07), highest 256.14 m (1988-04-16), average 255.84 m, 315 days measured1989: lowest 255.60 m (1989-01-01), highest 256.15 m (1989-05-03), average 255.92 m, 365 days measured1990: lowest 255.68 m (1990-11-29), highest 256.23 m (1990-07-09), average 255.94 m, 334 days measured1991: lowest 255.70 m (1991-01-01), highest 256.34 m (1991-07-16), average 255.98 m, 365 days measured1992: lowest 256.01 m (1992-08-22), highest 256.46 m (1992-04-06), average 256.09 m, 346 days measured1993: lowest 255.38 m (1993-10-14), highest 256.29 m (1993-07-29), average 256.08 m, 365 days measured1994: lowest 256.03 m (1994-01-10), highest 256.21 m (1994-11-21), average 256.10 m, 365 days measured1995: lowest 256.00 m (1995-08-17), highest 256.42 m (1995-03-28), average 256.09 m, 365 days measured1996: lowest 256.01 m (1996-08-31), highest 256.60 m (1996-04-30), average 256.13 m, 338 days measured1997: lowest 256.02 m (1997-09-20), highest 256.81 m (1997-04-25), average 256.13 m, 346 days measured1998: lowest 255.92 m (1998-10-03), highest 256.52 m (1998-05-16), average 256.12 m, 365 days measured1999: lowest 256.02 m (1999-10-07), highest 256.30 m (1999-05-24), average 256.12 m, 304 days measured2000: lowest 256.03 m (2000-02-16), highest 256.71 m (2000-11-11), average 256.20 m, 366 days measured2001: lowest 256.03 m (2001-10-05), highest 256.60 m (2001-04-15), average 256.18 m, 365 days measured2002: lowest 256.03 m (2002-10-27), highest 257.09 m (2002-06-16), average 256.12 m, 242 days measured2003: lowest 256.02 m (2003-08-24), highest 256.33 m (2003-06-17), average 256.11 m, 365 days measured2004: lowest 256.08 m (2004-01-01), highest 256.43 m (2004-05-27), average 256.16 m, 14 days measured2005: lowest 256.02 m (2005-09-15), highest 256.78 m (2005-07-12), average 256.20 m, 365 days measured2006: lowest 255.73 m (2006-10-13), highest 256.68 m (2006-04-06), average 256.07 m, 365 days measured2007: lowest 256.01 m (2007-10-04), highest 256.37 m (2007-05-27), average 256.15 m, 316 days measured2008: lowest 256.06 m (2008-09-21), highest 256.33 m (2008-11-08), average 256.16 m, 313 days measured2009: lowest 256.05 m (2009-03-15), highest 256.63 m (2009-04-14), average 256.22 m, 293 days measured2010: lowest 256.05 m (2010-08-28), highest 256.71 m (2010-06-03), average 256.19 m, 342 days measured2011: lowest 255.89 m (2011-09-19), highest 256.70 m (2011-04-13), average 256.11 m, 329 days measured2012: lowest 255.73 m (2012-10-03), highest 256.16 m (2012-03-25), average 256.03 m, 366 days measured2013: lowest 256.01 m (2013-12-27), highest 256.42 m (2013-06-02), average 256.10 m, 260 days measured2014: lowest 256.00 m (2014-01-17), highest 256.55 m (2014-07-06), average 256.13 m, 365 days measured2015: lowest 256.06 m (2015-03-11), highest 256.35 m (2015-09-11), average 256.16 m, 187 days measured2017: lowest 255.87 m (2017-09-14), highest 256.52 m (2017-04-13), average 256.10 m, 324 days measured2018: lowest 256.05 m (2018-01-10), highest 256.26 m (2018-06-04), average 256.12 m, 214 days measured2019: lowest 256.02 m (2019-03-07), highest 256.78 m (2019-10-16), average 256.23 m, 300 days measured2026: lowest 256.08 m (2026-09-25), highest 256.13 m (2026-10-15), average 256.10 m, 30 days measured
Lowest to highest that yearYear average2026 so far

One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.

Lowest years

Years ranked by their lowest daily level.

  • 1965253.828 m on Sep 27
  • 1977254.910 m on Feb 1
  • 1976254.916 m on Dec 27
  • 1993255.381 m on Oct 14
  • 1989255.601 m on Jan 1

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)256.100256.083Sep 25256.130Oct 15
2019 (300 days)256.234256.019Mar 7256.780Oct 16
2018 (214 days)256.119256.047Jan 10256.259Jun 4
2017 (324 days)256.099255.867Sep 14256.522Apr 13
2015 (187 days)256.157256.064Mar 11256.346Sep 11
2014256.134255.998Jan 17256.548Jul 6
2013 (260 days)256.098256.008Dec 27256.421Jun 2
2012256.027255.729Oct 3256.163Mar 25
2011 (329 days)256.112255.887Sep 19256.697Apr 13
2010256.193256.046Aug 28256.714Jun 3
2009 (293 days)256.220256.047Mar 15256.626Apr 14
2008 (313 days)256.159256.064Sep 21256.330Nov 8
2007 (316 days)256.152256.014Oct 4256.371May 27
2006256.074255.728Oct 13256.683Apr 6
2005256.204256.020Sep 15256.777Jul 12
2004 (14 days)256.157256.082Jan 1256.434May 27
2003256.109256.017Aug 24256.326Jun 17
2002 (242 days)256.118256.031Oct 27257.087Jun 16
2001256.182256.033Oct 5256.602Apr 15
2000256.195256.027Feb 16256.711Nov 11
1999 (304 days)256.118256.023Oct 7256.304May 24
1998256.120255.921Oct 3256.521May 16
1997256.134256.017Sep 20256.813Apr 25
1996256.126256.013Aug 31256.600Apr 30
1995256.093256.003Aug 17256.419Mar 28
1994256.096256.029Jan 10256.208Nov 21
1993256.081255.381Oct 14256.290Jul 29
1992256.089256.011Aug 22256.457Apr 6
1991255.977255.696Jan 1256.343Jul 16
1990255.941255.681Nov 29256.233Jul 9
1989255.924255.601Jan 1256.146May 3
1988 (315 days)255.838255.586Dec 7256.143Apr 16
1987256.072255.940Oct 4256.476Apr 6
1986256.125255.759Oct 31256.520May 6
1985256.106256.015Feb 4256.201May 13
1984256.053255.863Oct 6256.220Jul 9
1983256.099255.964Sep 7256.412Apr 8
1982256.121256.013Feb 9256.330Apr 15
1981256.094256.021Sep 5256.198Oct 31
1980256.019255.742Sep 11256.202Apr 20
1979256.079255.986Oct 17256.374Apr 19
1978256.062255.816Sep 11256.291Apr 19
1977255.775254.910Feb 1256.343May 10
1976255.739254.916Dec 27256.206Apr 15
1975256.030255.819Sep 26256.203Jul 1
1974256.104255.877Aug 14256.529Apr 26
1973256.092256.035Jan 19256.181Oct 23
1972 (297 days)256.064255.797Aug 16256.245May 8
1971256.088255.977Sep 29256.294Apr 23
1970256.115255.938Aug 28256.443May 16
1969256.097256.011Aug 29256.395Apr 20
1968256.141256.032Jan 18256.248Aug 25
1967256.085255.828Oct 5256.578Apr 21
1966 (181 days)256.151256.050Dec 13256.379May 24
1965255.864253.828Sep 27256.465May 6
1964256.099255.852Mar 31256.343May 6
1963 (300 days)256.231255.535Jan 25256.642Jun 26
1962 (270 days)256.120255.922Dec 12256.300May 24
1961 (234 days)254.555250.399Mar 17256.206May 5
1960 (290 days)254.121250.668Aug 29256.489Apr 19
1959 (187 days)253.472249.610Jul 30256.190Jun 19

Levels in metres. Partial years show the number of days with data.

Monthly averages

MonthAverageLowestHighest
January255.935252.454256.258
February255.890250.933256.255
March255.922250.399256.419
April256.183252.966256.813
May256.228256.054256.659
June256.191255.310257.087
July256.111249.610256.777
August255.924249.610256.469
September255.809249.671256.573
October255.895251.100256.780
November256.039253.179256.711
December255.972253.136256.270

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Daily levels as CSV (19,581 rows; credit the original agencies listed below)