Country: Canada
United StatesCanadaUnited Kingdom

Moose Mountain Lake water level history

Daily records since 1958 · Level today: 620.214 m

Highest on record
621.954 m
Apr 25, 2011
Lowest on record
618.518 m
Jan 7, 1963
Today
620.214 m
Oct 23, 2026
Years of data
68
since 1958

In short

Across 36 complete years, 1991 had the lowest average level (619.290 m) and 2011 the highest (620.679 m).

On average the lake is lowest in October (619.953 m) and highest in April (620.316 m).

Moose Mountain Lake level, all years

Loading chart…

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

Each year's lowest and highest level

618.3619.3620.2621.2622.21958196719761985199420032012202120261958: lowest 619.06 m (1958-10-05), highest 619.32 m (1958-09-22), average 619.15 m, 3 days measured1959: lowest 618.99 m (1959-09-27), highest 619.46 m (1959-04-04), average 619.23 m, 39 days measured1960: lowest 619.13 m (1960-03-22), highest 620.09 m (1960-04-16), average 619.71 m, 70 days measured1961: lowest 618.86 m (1961-10-10), highest 619.52 m (1961-03-16), average 619.23 m, 56 days measured1962: lowest 618.56 m (1962-09-27), highest 618.94 m (1962-04-27), average 618.79 m, 63 days measured1963: lowest 618.52 m (1963-01-07), highest 618.93 m (1963-04-17), average 618.82 m, 225 days measured1964: lowest 618.67 m (1964-01-06), highest 619.36 m (1964-05-11), average 619.10 m, 251 days measured1965: lowest 618.90 m (1965-01-11), highest 619.43 m (1965-06-06), average 619.26 m, 251 days measured1966: lowest 619.22 m (1966-01-04), highest 620.37 m (1966-05-22), average 620.16 m, 202 days measured1967: lowest 619.82 m (1967-12-04), highest 620.49 m (1967-04-19), average 620.09 m, 264 days measured1968: lowest 619.75 m (1968-12-10), highest 620.20 m (1968-03-30), average 619.91 m, 293 days measured1969: lowest 619.75 m (1969-01-01), highest 620.97 m (1969-04-14), average 620.20 m, 273 days measured1970: lowest 620.01 m (1970-01-01), highest 620.70 m (1970-05-05), average 620.42 m, 231 days measured1971: lowest 620.05 m (1971-09-30), highest 620.89 m (1971-04-10), average 620.43 m, 118 days measured1972: lowest 619.95 m (1972-10-24), highest 620.58 m (1972-03-26), average 620.17 m, 195 days measured1973: lowest 619.77 m (1973-09-20), highest 620.03 m (1973-04-21), average 619.91 m, 219 days measured1974: lowest 619.81 m (1974-01-31), highest 621.11 m (1974-04-21), average 620.35 m, 203 days measured1975: lowest 620.09 m (1975-08-18), highest 621.51 m (1975-04-23), average 620.35 m, 203 days measured1976: lowest 620.16 m (1976-11-18), highest 621.26 m (1976-04-10), average 620.40 m, 247 days measured1977: lowest 619.72 m (1977-11-07), highest 620.44 m (1977-03-14), average 620.20 m, 168 days measured1978: lowest 619.77 m (1978-02-22), highest 620.40 m (1978-04-24), average 620.23 m, 225 days measured1979: lowest 620.00 m (1979-10-19), highest 621.02 m (1979-04-24), average 620.29 m, 210 days measured1980: lowest 619.87 m (1980-10-13), highest 620.47 m (1980-04-07), average 620.11 m, 229 days measured1981: lowest 619.46 m (1981-10-11), highest 619.95 m (1981-03-31), average 619.68 m, 229 days measured1982: lowest 619.51 m (1982-01-01), highest 620.54 m (1982-04-26), average 620.18 m, 255 days measured1983: lowest 620.00 m (1983-10-29), highest 621.14 m (1983-04-23), average 620.30 m, 226 days measured1984: lowest 619.81 m (1984-10-10), highest 620.37 m (1984-04-27), average 620.04 m, 312 days measured1985: lowest 619.85 m (1985-02-01), highest 620.76 m (1985-04-17), average 620.21 m, 316 days measured1986: lowest 620.08 m (1986-10-30), highest 620.57 m (1986-05-16), average 620.26 m, 365 days measured1987: lowest 619.88 m (1987-12-28), highest 620.48 m (1987-04-19), average 620.11 m, 365 days measured1988: lowest 619.23 m (1988-10-26), highest 619.91 m (1988-04-09), average 619.62 m, 257 days measured1989: lowest 618.85 m (1989-10-18), highest 619.34 m (1989-05-04), average 619.05 m, 281 days measured1990: lowest 618.91 m (1990-01-01), highest 619.71 m (1990-04-30), average 619.32 m, 365 days measured1991: lowest 618.73 m (1991-05-08), highest 619.87 m (1991-08-20), average 619.29 m, 365 days measured1992: lowest 619.23 m (1992-01-03), highest 620.56 m (1992-05-01), average 620.01 m, 366 days measured1993: lowest 619.72 m (1993-10-30), highest 620.19 m (1993-05-09), average 619.95 m, 365 days measured1994: lowest 619.75 m (1994-01-03), highest 620.54 m (1994-04-22), average 620.15 m, 365 days measured1995: lowest 620.14 m (1995-01-08), highest 620.72 m (1995-04-03), average 620.38 m, 365 days measured1996: lowest 620.17 m (1996-09-17), highest 621.41 m (1996-04-18), average 620.39 m, 366 days measured1997: lowest 620.05 m (1997-12-21), highest 621.38 m (1997-04-21), average 620.30 m, 365 days measured1998: lowest 620.04 m (1998-01-01), highest 620.35 m (1998-07-07), average 620.17 m, 365 days measured1999: lowest 620.21 m (1999-11-12), highest 621.06 m (1999-04-12), average 620.41 m, 280 days measured2000: lowest 620.25 m (2000-01-01), highest 620.80 m (2000-07-13), average 620.33 m, 300 days measured2001: lowest 620.11 m (2001-10-30), highest 621.66 m (2001-04-26), average 620.38 m, 365 days measured2002: lowest 620.11 m (2002-10-17), highest 620.40 m (2002-05-01), average 620.22 m, 365 days measured2003: lowest 619.76 m (2003-10-23), highest 620.66 m (2003-04-18), average 620.14 m, 365 days measured2004: lowest 619.83 m (2004-01-08), highest 620.03 m (2004-06-17), average 619.90 m, 366 days measured2005: lowest 619.89 m (2005-01-17), highest 620.87 m (2005-04-18), average 620.28 m, 365 days measured2006: lowest 620.07 m (2006-11-04), highest 620.63 m (2006-04-23), average 620.28 m, 365 days measured2007: lowest 620.11 m (2007-01-02), highest 620.68 m (2007-04-01), average 620.29 m, 365 days measured2008: lowest 620.08 m (2008-10-04), highest 620.42 m (2008-04-16), average 620.23 m, 366 days measured2009: lowest 620.05 m (2009-09-29), highest 621.05 m (2009-04-17), average 620.28 m, 365 days measured2010: lowest 620.16 m (2010-01-02), highest 620.59 m (2010-06-26), average 620.41 m, 365 days measured2011: lowest 620.35 m (2011-03-27), highest 621.95 m (2011-04-25), average 620.68 m, 365 days measured2012: lowest 619.96 m (2012-10-12), highest 620.66 m (2012-03-24), average 620.25 m, 366 days measured2013: lowest 620.06 m (2013-01-03), highest 621.06 m (2013-05-07), average 620.34 m, 365 days measured2014: lowest 620.35 m (2014-01-01), highest 620.97 m (2014-07-05), average 620.53 m, 365 days measured2015: lowest 620.18 m (2015-10-02), highest 620.93 m (2015-04-01), average 620.40 m, 365 days measured2016: lowest 620.19 m (2016-09-29), highest 620.44 m (2016-04-10), average 620.31 m, 366 days measured2017: lowest 619.96 m (2017-11-03), highest 620.69 m (2017-03-30), average 620.24 m, 365 days measured2018: lowest 619.88 m (2018-11-04), highest 620.20 m (2018-07-11), average 620.01 m, 365 days measured2019: lowest 619.92 m (2019-01-12), highest 620.29 m (2019-04-25), average 620.06 m, 344 days measured2020: lowest 619.88 m (2020-10-10), highest 620.37 m (2020-05-27), average 620.09 m, 354 days measured2021: lowest 619.42 m (2021-10-25), highest 619.98 m (2021-04-12), average 619.76 m, 352 days measured2022: lowest 619.52 m (2022-01-02), highest 620.61 m (2022-05-13), average 620.08 m, 365 days measured2023: lowest 620.08 m (2023-09-26), highest 620.80 m (2023-04-30), average 620.24 m, 365 days measured2024: lowest 620.08 m (2024-11-11), highest 620.82 m (2024-04-08), average 620.26 m, 366 days measured2025: lowest 620.13 m (2025-10-11), highest 620.63 m (2025-04-17), average 620.25 m, 365 days measured2026: lowest 620.20 m (2026-10-19), highest 620.26 m (2026-10-15), average 620.23 m, 30 days measured
618.3619.3620.2621.2622.2195819751992200920261958: lowest 619.06 m (1958-10-05), highest 619.32 m (1958-09-22), average 619.15 m, 3 days measured1959: lowest 618.99 m (1959-09-27), highest 619.46 m (1959-04-04), average 619.23 m, 39 days measured1960: lowest 619.13 m (1960-03-22), highest 620.09 m (1960-04-16), average 619.71 m, 70 days measured1961: lowest 618.86 m (1961-10-10), highest 619.52 m (1961-03-16), average 619.23 m, 56 days measured1962: lowest 618.56 m (1962-09-27), highest 618.94 m (1962-04-27), average 618.79 m, 63 days measured1963: lowest 618.52 m (1963-01-07), highest 618.93 m (1963-04-17), average 618.82 m, 225 days measured1964: lowest 618.67 m (1964-01-06), highest 619.36 m (1964-05-11), average 619.10 m, 251 days measured1965: lowest 618.90 m (1965-01-11), highest 619.43 m (1965-06-06), average 619.26 m, 251 days measured1966: lowest 619.22 m (1966-01-04), highest 620.37 m (1966-05-22), average 620.16 m, 202 days measured1967: lowest 619.82 m (1967-12-04), highest 620.49 m (1967-04-19), average 620.09 m, 264 days measured1968: lowest 619.75 m (1968-12-10), highest 620.20 m (1968-03-30), average 619.91 m, 293 days measured1969: lowest 619.75 m (1969-01-01), highest 620.97 m (1969-04-14), average 620.20 m, 273 days measured1970: lowest 620.01 m (1970-01-01), highest 620.70 m (1970-05-05), average 620.42 m, 231 days measured1971: lowest 620.05 m (1971-09-30), highest 620.89 m (1971-04-10), average 620.43 m, 118 days measured1972: lowest 619.95 m (1972-10-24), highest 620.58 m (1972-03-26), average 620.17 m, 195 days measured1973: lowest 619.77 m (1973-09-20), highest 620.03 m (1973-04-21), average 619.91 m, 219 days measured1974: lowest 619.81 m (1974-01-31), highest 621.11 m (1974-04-21), average 620.35 m, 203 days measured1975: lowest 620.09 m (1975-08-18), highest 621.51 m (1975-04-23), average 620.35 m, 203 days measured1976: lowest 620.16 m (1976-11-18), highest 621.26 m (1976-04-10), average 620.40 m, 247 days measured1977: lowest 619.72 m (1977-11-07), highest 620.44 m (1977-03-14), average 620.20 m, 168 days measured1978: lowest 619.77 m (1978-02-22), highest 620.40 m (1978-04-24), average 620.23 m, 225 days measured1979: lowest 620.00 m (1979-10-19), highest 621.02 m (1979-04-24), average 620.29 m, 210 days measured1980: lowest 619.87 m (1980-10-13), highest 620.47 m (1980-04-07), average 620.11 m, 229 days measured1981: lowest 619.46 m (1981-10-11), highest 619.95 m (1981-03-31), average 619.68 m, 229 days measured1982: lowest 619.51 m (1982-01-01), highest 620.54 m (1982-04-26), average 620.18 m, 255 days measured1983: lowest 620.00 m (1983-10-29), highest 621.14 m (1983-04-23), average 620.30 m, 226 days measured1984: lowest 619.81 m (1984-10-10), highest 620.37 m (1984-04-27), average 620.04 m, 312 days measured1985: lowest 619.85 m (1985-02-01), highest 620.76 m (1985-04-17), average 620.21 m, 316 days measured1986: lowest 620.08 m (1986-10-30), highest 620.57 m (1986-05-16), average 620.26 m, 365 days measured1987: lowest 619.88 m (1987-12-28), highest 620.48 m (1987-04-19), average 620.11 m, 365 days measured1988: lowest 619.23 m (1988-10-26), highest 619.91 m (1988-04-09), average 619.62 m, 257 days measured1989: lowest 618.85 m (1989-10-18), highest 619.34 m (1989-05-04), average 619.05 m, 281 days measured1990: lowest 618.91 m (1990-01-01), highest 619.71 m (1990-04-30), average 619.32 m, 365 days measured1991: lowest 618.73 m (1991-05-08), highest 619.87 m (1991-08-20), average 619.29 m, 365 days measured1992: lowest 619.23 m (1992-01-03), highest 620.56 m (1992-05-01), average 620.01 m, 366 days measured1993: lowest 619.72 m (1993-10-30), highest 620.19 m (1993-05-09), average 619.95 m, 365 days measured1994: lowest 619.75 m (1994-01-03), highest 620.54 m (1994-04-22), average 620.15 m, 365 days measured1995: lowest 620.14 m (1995-01-08), highest 620.72 m (1995-04-03), average 620.38 m, 365 days measured1996: lowest 620.17 m (1996-09-17), highest 621.41 m (1996-04-18), average 620.39 m, 366 days measured1997: lowest 620.05 m (1997-12-21), highest 621.38 m (1997-04-21), average 620.30 m, 365 days measured1998: lowest 620.04 m (1998-01-01), highest 620.35 m (1998-07-07), average 620.17 m, 365 days measured1999: lowest 620.21 m (1999-11-12), highest 621.06 m (1999-04-12), average 620.41 m, 280 days measured2000: lowest 620.25 m (2000-01-01), highest 620.80 m (2000-07-13), average 620.33 m, 300 days measured2001: lowest 620.11 m (2001-10-30), highest 621.66 m (2001-04-26), average 620.38 m, 365 days measured2002: lowest 620.11 m (2002-10-17), highest 620.40 m (2002-05-01), average 620.22 m, 365 days measured2003: lowest 619.76 m (2003-10-23), highest 620.66 m (2003-04-18), average 620.14 m, 365 days measured2004: lowest 619.83 m (2004-01-08), highest 620.03 m (2004-06-17), average 619.90 m, 366 days measured2005: lowest 619.89 m (2005-01-17), highest 620.87 m (2005-04-18), average 620.28 m, 365 days measured2006: lowest 620.07 m (2006-11-04), highest 620.63 m (2006-04-23), average 620.28 m, 365 days measured2007: lowest 620.11 m (2007-01-02), highest 620.68 m (2007-04-01), average 620.29 m, 365 days measured2008: lowest 620.08 m (2008-10-04), highest 620.42 m (2008-04-16), average 620.23 m, 366 days measured2009: lowest 620.05 m (2009-09-29), highest 621.05 m (2009-04-17), average 620.28 m, 365 days measured2010: lowest 620.16 m (2010-01-02), highest 620.59 m (2010-06-26), average 620.41 m, 365 days measured2011: lowest 620.35 m (2011-03-27), highest 621.95 m (2011-04-25), average 620.68 m, 365 days measured2012: lowest 619.96 m (2012-10-12), highest 620.66 m (2012-03-24), average 620.25 m, 366 days measured2013: lowest 620.06 m (2013-01-03), highest 621.06 m (2013-05-07), average 620.34 m, 365 days measured2014: lowest 620.35 m (2014-01-01), highest 620.97 m (2014-07-05), average 620.53 m, 365 days measured2015: lowest 620.18 m (2015-10-02), highest 620.93 m (2015-04-01), average 620.40 m, 365 days measured2016: lowest 620.19 m (2016-09-29), highest 620.44 m (2016-04-10), average 620.31 m, 366 days measured2017: lowest 619.96 m (2017-11-03), highest 620.69 m (2017-03-30), average 620.24 m, 365 days measured2018: lowest 619.88 m (2018-11-04), highest 620.20 m (2018-07-11), average 620.01 m, 365 days measured2019: lowest 619.92 m (2019-01-12), highest 620.29 m (2019-04-25), average 620.06 m, 344 days measured2020: lowest 619.88 m (2020-10-10), highest 620.37 m (2020-05-27), average 620.09 m, 354 days measured2021: lowest 619.42 m (2021-10-25), highest 619.98 m (2021-04-12), average 619.76 m, 352 days measured2022: lowest 619.52 m (2022-01-02), highest 620.61 m (2022-05-13), average 620.08 m, 365 days measured2023: lowest 620.08 m (2023-09-26), highest 620.80 m (2023-04-30), average 620.24 m, 365 days measured2024: lowest 620.08 m (2024-11-11), highest 620.82 m (2024-04-08), average 620.26 m, 366 days measured2025: lowest 620.13 m (2025-10-11), highest 620.63 m (2025-04-17), average 620.25 m, 365 days measured2026: lowest 620.20 m (2026-10-19), highest 620.26 m (2026-10-15), average 620.23 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.

  • 1991618.733 m on May 8
  • 1990618.909 m on Jan 1
  • 1992619.233 m on Jan 3
  • 2021619.418 m on Oct 25
  • 2022619.520 m on Jan 2

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)620.233620.203Oct 19620.261Oct 15
2025620.249620.127Oct 11620.630Apr 17
2024620.262620.083Nov 11620.815Apr 8
2023620.237620.083Sep 26620.799Apr 30
2022620.079619.520Jan 2620.610May 13
2021619.759619.418Oct 25619.975Apr 12
2020620.092619.884Oct 10620.374May 27
2019620.059619.924Jan 12620.285Apr 25
2018620.005619.883Nov 4620.204Jul 11
2017620.238619.962Nov 3620.687Mar 30
2016620.309620.190Sep 29620.440Apr 10
2015620.395620.176Oct 2620.930Apr 1
2014620.529620.348Jan 1620.974Jul 5
2013620.339620.059Jan 3621.056May 7
2012620.251619.963Oct 12620.661Mar 24
2011620.679620.351Mar 27621.954Apr 25
2010620.406620.163Jan 2620.592Jun 26
2009620.283620.046Sep 29621.048Apr 17
2008620.234620.082Oct 4620.417Apr 16
2007620.292620.113Jan 2620.679Apr 1
2006620.280620.072Nov 4620.631Apr 23
2005620.281619.892Jan 17620.868Apr 18
2004619.898619.828Jan 8620.034Jun 17
2003620.135619.763Oct 23620.655Apr 18
2002620.217620.105Oct 17620.396May 1
2001620.381620.110Oct 30621.662Apr 26
2000 (300 days)620.333620.246Jan 1620.796Jul 13
1999 (280 days)620.408620.207Nov 12621.055Apr 12
1998620.171620.044Jan 1620.349Jul 7
1997620.296620.045Dec 21621.377Apr 21
1996620.387620.169Sep 17621.414Apr 18
1995620.384620.144Jan 8620.724Apr 3
1994620.145619.747Jan 3620.540Apr 22
1993619.953619.724Oct 30620.194May 9
1992620.008619.233Jan 3620.563May 1
1991619.290618.733May 8619.872Aug 20
1990619.315618.909Jan 1619.709Apr 30
1989 (281 days)619.051618.847Oct 18619.340May 4
1988 (257 days)619.624619.232Oct 26619.914Apr 9
1987620.108619.884Dec 28620.477Apr 19
1986620.260620.075Oct 30620.567May 16
1985 (316 days)620.207619.852Feb 1620.757Apr 17
1984 (312 days)620.035619.805Oct 10620.372Apr 27
1983 (226 days)620.301619.996Oct 29621.137Apr 23
1982 (255 days)620.176619.508Jan 1620.541Apr 26
1981 (229 days)619.682619.463Oct 11619.946Mar 31
1980 (229 days)620.111619.871Oct 13620.465Apr 7
1979 (210 days)620.289619.998Oct 19621.023Apr 24
1978 (225 days)620.234619.768Feb 22620.399Apr 24
1977 (168 days)620.199619.719Nov 7620.442Mar 14
1976 (247 days)620.397620.161Nov 18621.262Apr 10
1975 (203 days)620.350620.085Aug 18621.509Apr 23
1974 (203 days)620.349619.808Jan 31621.106Apr 21
1973 (219 days)619.911619.771Sep 20620.033Apr 21
1972 (195 days)620.167619.948Oct 24620.582Mar 26
1971 (118 days)620.426620.052Sep 30620.890Apr 10
1970 (231 days)620.419620.006Jan 1620.698May 5
1969 (273 days)620.204619.750Jan 1620.969Apr 14
1968 (293 days)619.913619.750Dec 10620.195Mar 30
1967 (264 days)620.089619.823Dec 4620.491Apr 19
1966 (202 days)620.155619.216Jan 4620.366May 22
1965 (251 days)619.260618.899Jan 11619.433Jun 6
1964 (251 days)619.102618.665Jan 6619.357May 11
1963 (225 days)618.821618.518Jan 7618.927Apr 17
1962 (63 days)618.793618.561Sep 27618.942Apr 27
1961 (56 days)619.233618.860Oct 10619.515Mar 16
1960 (70 days)619.709619.131Mar 22620.085Apr 16
1959 (39 days)619.227618.994Sep 27619.463Apr 4
1958 (3 days)619.153619.058Oct 5619.323Sep 22

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

Monthly averages

MonthAverageLowestHighest
January620.038618.518620.442
February620.050618.910620.431
March620.078618.586620.921
April620.316618.770621.954
May620.304618.733621.765
June620.209618.832621.629
July620.153618.787621.391
August620.061618.744620.609
September619.995618.561620.568
October619.953618.573620.585
November619.968618.573620.559
December620.007618.899620.526

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Daily levels as CSV (19,826 rows; credit the original agencies listed below)