Country: Canada
United StatesCanadaUnited Kingdom

Moosomin Lake water level history

Daily records since 1955 · Level today: 543.968 m

Highest on record
546.034 m
Apr 10, 1976
Lowest on record
541.825 m
Oct 15, 1957
Today
543.968 m
Oct 23, 2026
Years of data
72
since 1955

In short

Across 6 complete years, 2021 had the lowest average level (543.880 m) and 2022 the highest (544.087 m).

On average the lake is lowest in November (543.834 m) and highest in April (544.154 m).

Moosomin Lake level, all years

Loading chart…

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

Each year's lowest and highest level

5425435445455461955196419731982199120002009201820261955: lowest 543.71 m (1955-08-11), highest 545.38 m (1955-05-06), average 544.31 m, 129 days measured1956: lowest 543.91 m (1956-04-14), highest 544.74 m (1956-04-16), average 544.23 m, 48 days measured1957: lowest 541.83 m (1957-10-15), highest 544.20 m (1957-04-02), average 543.59 m, 63 days measured1958: lowest 542.61 m (1958-03-01), highest 544.38 m (1958-04-03), average 543.90 m, 103 days measured1959: lowest 543.15 m (1959-03-14), highest 543.84 m (1959-06-30), average 543.58 m, 8 days measured1960: lowest 543.47 m (1960-03-01), highest 544.42 m (1960-04-08), average 544.05 m, 59 days measured1961: lowest 542.24 m (1961-11-01), highest 543.36 m (1961-04-04), average 542.47 m, 46 days measured1962: lowest 542.13 m (1962-03-04), highest 542.91 m (1962-06-21), average 542.81 m, 59 days measured1963: lowest 543.13 m (1963-03-01), highest 544.40 m (1963-06-13), average 544.23 m, 68 days measured1964: lowest 543.86 m (1964-04-03), highest 544.43 m (1964-05-08), average 544.20 m, 61 days measured1965: lowest 543.83 m (1965-04-08), highest 544.40 m (1965-06-04), average 544.21 m, 69 days measured1966: lowest 543.89 m (1966-10-19), highest 544.35 m (1966-05-28), average 544.18 m, 73 days measured1967: lowest 543.61 m (1967-09-23), highest 544.30 m (1967-04-12), average 543.91 m, 64 days measured1968: lowest 543.79 m (1968-10-05), highest 544.05 m (1968-03-19), average 543.88 m, 65 days measured1969: lowest 544.08 m (1969-04-27), highest 544.96 m (1969-04-14), average 544.32 m, 65 days measured1970: lowest 543.95 m (1970-04-01), highest 544.52 m (1970-05-30), average 544.33 m, 56 days measured1971: lowest 543.90 m (1971-03-10), highest 544.41 m (1971-06-30), average 544.16 m, 57 days measured1972: lowest 543.93 m (1972-10-25), highest 544.42 m (1972-08-22), average 544.19 m, 63 days measured1973: lowest 543.84 m (1973-10-26), highest 544.25 m (1973-06-27), average 544.08 m, 59 days measured1974: lowest 543.44 m (1974-04-13), highest 544.85 m (1974-04-20), average 543.98 m, 192 days measured1975: lowest 543.26 m (1975-04-14), highest 544.79 m (1975-04-30), average 544.11 m, 232 days measured1976: lowest 543.89 m (1976-04-03), highest 546.03 m (1976-04-10), average 544.29 m, 238 days measured1977: lowest 543.92 m (1977-10-22), highest 544.26 m (1977-05-31), average 544.05 m, 184 days measured1978: lowest 543.92 m (1978-10-28), highest 544.37 m (1978-05-25), average 544.14 m, 247 days measured1979: lowest 543.82 m (1979-10-25), highest 544.78 m (1979-04-24), average 544.13 m, 250 days measured1980: lowest 543.91 m (1980-03-28), highest 544.34 m (1980-05-04), average 544.10 m, 251 days measured1981: lowest 543.72 m (1981-11-25), highest 544.02 m (1981-02-24), average 543.86 m, 256 days measured1982: lowest 543.87 m (1982-03-01), highest 544.53 m (1982-04-16), average 544.25 m, 249 days measured1983: lowest 543.84 m (1983-09-22), highest 544.68 m (1983-04-23), average 544.21 m, 245 days measured1984: lowest 543.32 m (1984-10-14), highest 544.00 m (1984-05-17), average 543.72 m, 261 days measured1985: lowest 543.56 m (1985-03-14), highest 544.54 m (1985-04-25), average 544.29 m, 250 days measured1986: lowest 543.80 m (1986-11-14), highest 544.73 m (1986-05-12), average 544.40 m, 268 days measured1987: lowest 543.79 m (1987-10-21), highest 544.54 m (1987-04-06), average 544.16 m, 251 days measured1988: lowest 543.59 m (1988-10-26), highest 544.23 m (1988-05-31), average 543.93 m, 256 days measured1989: lowest 543.48 m (1989-10-20), highest 543.97 m (1989-05-04), average 543.79 m, 259 days measured1990: lowest 543.55 m (1990-10-30), highest 544.22 m (1990-04-04), average 543.88 m, 246 days measured1991: lowest 543.59 m (1991-09-07), highest 544.05 m (1991-07-02), average 543.84 m, 254 days measured1992: lowest 543.64 m (1992-11-02), highest 544.25 m (1992-03-08), average 543.93 m, 251 days measured1993: lowest 543.78 m (1993-09-29), highest 544.04 m (1993-04-11), average 543.91 m, 248 days measured1994: lowest 543.76 m (1994-10-02), highest 544.45 m (1994-03-26), average 543.99 m, 246 days measured1995: lowest 543.89 m (1995-08-06), highest 544.64 m (1995-04-16), average 544.05 m, 252 days measured1996: lowest 543.24 m (1996-04-09), highest 545.11 m (1996-04-14), average 544.00 m, 252 days measured1997: lowest 543.81 m (1997-10-31), highest 544.66 m (1997-04-19), average 544.02 m, 245 days measured1998: lowest 543.82 m (1998-09-18), highest 544.33 m (1998-04-06), average 543.98 m, 258 days measured1999: lowest 543.95 m (1999-10-02), highest 544.64 m (1999-03-29), average 544.07 m, 248 days measured2000: lowest 543.88 m (2000-10-21), highest 544.40 m (2000-07-10), average 544.00 m, 273 days measured2001: lowest 543.66 m (2001-10-11), highest 545.23 m (2001-04-22), average 544.02 m, 245 days measured2002: lowest 543.85 m (2002-09-29), highest 544.17 m (2002-04-17), average 543.97 m, 203 days measured2003: lowest 543.59 m (2003-10-10), highest 544.52 m (2003-03-26), average 543.91 m, 261 days measured2004: lowest 543.91 m (2004-02-25), highest 544.05 m (2004-06-01), average 543.96 m, 250 days measured2005: lowest 543.75 m (2005-11-04), highest 544.74 m (2005-04-07), average 543.98 m, 365 days measured2006: lowest 543.67 m (2006-10-24), highest 544.30 m (2006-04-04), average 543.94 m, 245 days measured2007: lowest 543.82 m (2007-11-05), highest 544.49 m (2007-06-19), average 544.03 m, 251 days measured2008: lowest 543.92 m (2008-10-04), highest 544.14 m (2008-04-11), average 543.98 m, 162 days measured2009: lowest 543.87 m (2009-11-04), highest 544.57 m (2009-04-16), average 543.99 m, 249 days measured2010: lowest 543.93 m (2010-08-28), highest 544.33 m (2010-04-03), average 544.05 m, 253 days measured2011: lowest 543.93 m (2011-04-02), highest 545.62 m (2011-04-15), average 544.33 m, 245 days measured2012: lowest 543.71 m (2012-09-01), highest 544.79 m (2012-03-21), average 543.98 m, 191 days measured2013: lowest 543.70 m (2013-10-07), highest 544.88 m (2013-05-04), average 544.00 m, 245 days measured2014: lowest 543.89 m (2014-04-07), highest 545.60 m (2014-07-03), average 544.23 m, 245 days measured2015: lowest 543.87 m (2015-10-18), highest 544.79 m (2015-03-20), average 544.08 m, 245 days measured2016: lowest 543.75 m (2016-09-07), highest 544.16 m (2016-04-20), average 544.01 m, 245 days measured2017: lowest 543.90 m (2017-09-15), highest 544.77 m (2017-04-03), average 544.04 m, 255 days measured2018: lowest 543.75 m (2018-10-04), highest 544.45 m (2018-04-25), average 543.99 m, 253 days measured2019: lowest 543.94 m (2019-08-22), highest 544.32 m (2019-03-31), average 544.03 m, 252 days measured2020: lowest 543.75 m (2020-10-10), highest 544.17 m (2020-04-01), average 543.92 m, 306 days measured2021: lowest 543.68 m (2021-10-25), highest 544.08 m (2021-06-13), average 543.88 m, 365 days measured2022: lowest 543.86 m (2022-01-01), highest 544.97 m (2022-05-03), average 544.09 m, 365 days measured2023: lowest 543.50 m (2023-12-04), highest 544.82 m (2023-04-17), average 543.89 m, 365 days measured2024: lowest 543.43 m (2024-04-02), highest 544.39 m (2024-04-08), average 543.93 m, 366 days measured2025: lowest 543.88 m (2025-10-11), highest 544.51 m (2025-04-16), average 544.00 m, 365 days measured2026: lowest 543.97 m (2026-10-21), highest 544.03 m (2026-09-24), average 543.99 m, 30 days measured
542543544545546195519731991200920261955: lowest 543.71 m (1955-08-11), highest 545.38 m (1955-05-06), average 544.31 m, 129 days measured1956: lowest 543.91 m (1956-04-14), highest 544.74 m (1956-04-16), average 544.23 m, 48 days measured1957: lowest 541.83 m (1957-10-15), highest 544.20 m (1957-04-02), average 543.59 m, 63 days measured1958: lowest 542.61 m (1958-03-01), highest 544.38 m (1958-04-03), average 543.90 m, 103 days measured1959: lowest 543.15 m (1959-03-14), highest 543.84 m (1959-06-30), average 543.58 m, 8 days measured1960: lowest 543.47 m (1960-03-01), highest 544.42 m (1960-04-08), average 544.05 m, 59 days measured1961: lowest 542.24 m (1961-11-01), highest 543.36 m (1961-04-04), average 542.47 m, 46 days measured1962: lowest 542.13 m (1962-03-04), highest 542.91 m (1962-06-21), average 542.81 m, 59 days measured1963: lowest 543.13 m (1963-03-01), highest 544.40 m (1963-06-13), average 544.23 m, 68 days measured1964: lowest 543.86 m (1964-04-03), highest 544.43 m (1964-05-08), average 544.20 m, 61 days measured1965: lowest 543.83 m (1965-04-08), highest 544.40 m (1965-06-04), average 544.21 m, 69 days measured1966: lowest 543.89 m (1966-10-19), highest 544.35 m (1966-05-28), average 544.18 m, 73 days measured1967: lowest 543.61 m (1967-09-23), highest 544.30 m (1967-04-12), average 543.91 m, 64 days measured1968: lowest 543.79 m (1968-10-05), highest 544.05 m (1968-03-19), average 543.88 m, 65 days measured1969: lowest 544.08 m (1969-04-27), highest 544.96 m (1969-04-14), average 544.32 m, 65 days measured1970: lowest 543.95 m (1970-04-01), highest 544.52 m (1970-05-30), average 544.33 m, 56 days measured1971: lowest 543.90 m (1971-03-10), highest 544.41 m (1971-06-30), average 544.16 m, 57 days measured1972: lowest 543.93 m (1972-10-25), highest 544.42 m (1972-08-22), average 544.19 m, 63 days measured1973: lowest 543.84 m (1973-10-26), highest 544.25 m (1973-06-27), average 544.08 m, 59 days measured1974: lowest 543.44 m (1974-04-13), highest 544.85 m (1974-04-20), average 543.98 m, 192 days measured1975: lowest 543.26 m (1975-04-14), highest 544.79 m (1975-04-30), average 544.11 m, 232 days measured1976: lowest 543.89 m (1976-04-03), highest 546.03 m (1976-04-10), average 544.29 m, 238 days measured1977: lowest 543.92 m (1977-10-22), highest 544.26 m (1977-05-31), average 544.05 m, 184 days measured1978: lowest 543.92 m (1978-10-28), highest 544.37 m (1978-05-25), average 544.14 m, 247 days measured1979: lowest 543.82 m (1979-10-25), highest 544.78 m (1979-04-24), average 544.13 m, 250 days measured1980: lowest 543.91 m (1980-03-28), highest 544.34 m (1980-05-04), average 544.10 m, 251 days measured1981: lowest 543.72 m (1981-11-25), highest 544.02 m (1981-02-24), average 543.86 m, 256 days measured1982: lowest 543.87 m (1982-03-01), highest 544.53 m (1982-04-16), average 544.25 m, 249 days measured1983: lowest 543.84 m (1983-09-22), highest 544.68 m (1983-04-23), average 544.21 m, 245 days measured1984: lowest 543.32 m (1984-10-14), highest 544.00 m (1984-05-17), average 543.72 m, 261 days measured1985: lowest 543.56 m (1985-03-14), highest 544.54 m (1985-04-25), average 544.29 m, 250 days measured1986: lowest 543.80 m (1986-11-14), highest 544.73 m (1986-05-12), average 544.40 m, 268 days measured1987: lowest 543.79 m (1987-10-21), highest 544.54 m (1987-04-06), average 544.16 m, 251 days measured1988: lowest 543.59 m (1988-10-26), highest 544.23 m (1988-05-31), average 543.93 m, 256 days measured1989: lowest 543.48 m (1989-10-20), highest 543.97 m (1989-05-04), average 543.79 m, 259 days measured1990: lowest 543.55 m (1990-10-30), highest 544.22 m (1990-04-04), average 543.88 m, 246 days measured1991: lowest 543.59 m (1991-09-07), highest 544.05 m (1991-07-02), average 543.84 m, 254 days measured1992: lowest 543.64 m (1992-11-02), highest 544.25 m (1992-03-08), average 543.93 m, 251 days measured1993: lowest 543.78 m (1993-09-29), highest 544.04 m (1993-04-11), average 543.91 m, 248 days measured1994: lowest 543.76 m (1994-10-02), highest 544.45 m (1994-03-26), average 543.99 m, 246 days measured1995: lowest 543.89 m (1995-08-06), highest 544.64 m (1995-04-16), average 544.05 m, 252 days measured1996: lowest 543.24 m (1996-04-09), highest 545.11 m (1996-04-14), average 544.00 m, 252 days measured1997: lowest 543.81 m (1997-10-31), highest 544.66 m (1997-04-19), average 544.02 m, 245 days measured1998: lowest 543.82 m (1998-09-18), highest 544.33 m (1998-04-06), average 543.98 m, 258 days measured1999: lowest 543.95 m (1999-10-02), highest 544.64 m (1999-03-29), average 544.07 m, 248 days measured2000: lowest 543.88 m (2000-10-21), highest 544.40 m (2000-07-10), average 544.00 m, 273 days measured2001: lowest 543.66 m (2001-10-11), highest 545.23 m (2001-04-22), average 544.02 m, 245 days measured2002: lowest 543.85 m (2002-09-29), highest 544.17 m (2002-04-17), average 543.97 m, 203 days measured2003: lowest 543.59 m (2003-10-10), highest 544.52 m (2003-03-26), average 543.91 m, 261 days measured2004: lowest 543.91 m (2004-02-25), highest 544.05 m (2004-06-01), average 543.96 m, 250 days measured2005: lowest 543.75 m (2005-11-04), highest 544.74 m (2005-04-07), average 543.98 m, 365 days measured2006: lowest 543.67 m (2006-10-24), highest 544.30 m (2006-04-04), average 543.94 m, 245 days measured2007: lowest 543.82 m (2007-11-05), highest 544.49 m (2007-06-19), average 544.03 m, 251 days measured2008: lowest 543.92 m (2008-10-04), highest 544.14 m (2008-04-11), average 543.98 m, 162 days measured2009: lowest 543.87 m (2009-11-04), highest 544.57 m (2009-04-16), average 543.99 m, 249 days measured2010: lowest 543.93 m (2010-08-28), highest 544.33 m (2010-04-03), average 544.05 m, 253 days measured2011: lowest 543.93 m (2011-04-02), highest 545.62 m (2011-04-15), average 544.33 m, 245 days measured2012: lowest 543.71 m (2012-09-01), highest 544.79 m (2012-03-21), average 543.98 m, 191 days measured2013: lowest 543.70 m (2013-10-07), highest 544.88 m (2013-05-04), average 544.00 m, 245 days measured2014: lowest 543.89 m (2014-04-07), highest 545.60 m (2014-07-03), average 544.23 m, 245 days measured2015: lowest 543.87 m (2015-10-18), highest 544.79 m (2015-03-20), average 544.08 m, 245 days measured2016: lowest 543.75 m (2016-09-07), highest 544.16 m (2016-04-20), average 544.01 m, 245 days measured2017: lowest 543.90 m (2017-09-15), highest 544.77 m (2017-04-03), average 544.04 m, 255 days measured2018: lowest 543.75 m (2018-10-04), highest 544.45 m (2018-04-25), average 543.99 m, 253 days measured2019: lowest 543.94 m (2019-08-22), highest 544.32 m (2019-03-31), average 544.03 m, 252 days measured2020: lowest 543.75 m (2020-10-10), highest 544.17 m (2020-04-01), average 543.92 m, 306 days measured2021: lowest 543.68 m (2021-10-25), highest 544.08 m (2021-06-13), average 543.88 m, 365 days measured2022: lowest 543.86 m (2022-01-01), highest 544.97 m (2022-05-03), average 544.09 m, 365 days measured2023: lowest 543.50 m (2023-12-04), highest 544.82 m (2023-04-17), average 543.89 m, 365 days measured2024: lowest 543.43 m (2024-04-02), highest 544.39 m (2024-04-08), average 543.93 m, 366 days measured2025: lowest 543.88 m (2025-10-11), highest 544.51 m (2025-04-16), average 544.00 m, 365 days measured2026: lowest 543.97 m (2026-10-21), highest 544.03 m (2026-09-24), average 543.99 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.

  • 2024543.427 m on Apr 2
  • 2023543.502 m on Dec 4
  • 2021543.682 m on Oct 25
  • 2005543.748 m on Nov 4
  • 2022543.860 m on Jan 1

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)543.995543.971Oct 21544.033Sep 24
2025543.996543.883Oct 11544.513Apr 16
2024543.930543.427Apr 2544.386Apr 8
2023543.887543.502Dec 4544.816Apr 17
2022544.087543.860Jan 1544.973May 3
2021543.880543.682Oct 25544.078Jun 13
2020 (306 days)543.921543.754Oct 10544.165Apr 1
2019 (252 days)544.028543.942Aug 22544.321Mar 31
2018 (253 days)543.992543.751Oct 4544.453Apr 25
2017 (255 days)544.039543.898Sep 15544.767Apr 3
2016 (245 days)544.007543.754Sep 7544.158Apr 20
2015 (245 days)544.078543.872Oct 18544.786Mar 20
2014 (245 days)544.225543.890Apr 7545.597Jul 3
2013 (245 days)544.003543.703Oct 7544.881May 4
2012 (191 days)543.976543.706Sep 1544.790Mar 21
2011 (245 days)544.330543.933Apr 2545.617Apr 15
2010 (253 days)544.051543.932Aug 28544.329Apr 3
2009 (249 days)543.992543.871Nov 4544.571Apr 16
2008 (162 days)543.980543.923Oct 4544.144Apr 11
2007 (251 days)544.030543.823Nov 5544.491Jun 19
2006 (245 days)543.941543.670Oct 24544.295Apr 4
2005543.979543.748Nov 4544.735Apr 7
2004 (250 days)543.960543.905Feb 25544.048Jun 1
2003 (261 days)543.911543.587Oct 10544.519Mar 26
2002 (203 days)543.975543.853Sep 29544.170Apr 17
2001 (245 days)544.023543.660Oct 11545.226Apr 22
2000 (273 days)544.001543.881Oct 21544.400Jul 10
1999 (248 days)544.069543.945Oct 2544.637Mar 29
1998 (258 days)543.982543.820Sep 18544.334Apr 6
1997 (245 days)544.023543.805Oct 31544.662Apr 19
1996 (252 days)543.997543.243Apr 9545.112Apr 14
1995 (252 days)544.050543.893Aug 6544.642Apr 16
1994 (246 days)543.986543.758Oct 2544.446Mar 26
1993 (248 days)543.915543.781Sep 29544.038Apr 11
1992 (251 days)543.926543.640Nov 2544.245Mar 8
1991 (254 days)543.841543.590Sep 7544.048Jul 2
1990 (246 days)543.882543.550Oct 30544.222Apr 4
1989 (259 days)543.786543.484Oct 20543.965May 4
1988 (256 days)543.930543.585Oct 26544.226May 31
1987 (251 days)544.157543.793Oct 21544.535Apr 6
1986 (268 days)544.401543.802Nov 14544.729May 12
1985 (250 days)544.286543.560Mar 14544.538Apr 25
1984 (261 days)543.721543.324Oct 14543.995May 17
1983 (245 days)544.210543.841Sep 22544.676Apr 23
1982 (249 days)544.249543.865Mar 1544.534Apr 16
1981 (256 days)543.861543.715Nov 25544.023Feb 24
1980 (251 days)544.099543.907Mar 28544.335May 4
1979 (250 days)544.134543.823Oct 25544.780Apr 24
1978 (247 days)544.145543.919Oct 28544.367May 25
1977 (184 days)544.048543.919Oct 22544.260May 31
1976 (238 days)544.287543.891Apr 3546.034Apr 10
1975 (232 days)544.112543.264Apr 14544.794Apr 30
1974 (192 days)543.984543.437Apr 13544.852Apr 20
1973 (59 days)544.077543.840Oct 26544.251Jun 27
1972 (63 days)544.191543.934Oct 25544.422Aug 22
1971 (57 days)544.161543.901Mar 10544.407Jun 30
1970 (56 days)544.335543.949Apr 1544.522May 30
1969 (65 days)544.317544.080Apr 27544.961Apr 14
1968 (65 days)543.879543.791Oct 5544.047Mar 19
1967 (64 days)543.911543.605Sep 23544.300Apr 12
1966 (73 days)544.176543.894Oct 19544.352May 28
1965 (69 days)544.215543.833Apr 8544.397Jun 4
1964 (61 days)544.197543.855Apr 3544.434May 8
1963 (68 days)544.232543.126Mar 1544.397Jun 13
1962 (59 days)542.812542.133Mar 4542.910Jun 21
1961 (46 days)542.470542.242Nov 1543.361Apr 4
1960 (59 days)544.046543.468Mar 1544.419Apr 8
1959 (8 days)543.580543.148Mar 14543.843Jun 30
1958 (103 days)543.897542.611Mar 1544.382Apr 3
1957 (63 days)543.593541.825Oct 15544.202Apr 2
1956 (48 days)544.231543.913Apr 14544.742Apr 16
1955 (129 days)544.313543.712Aug 11545.382May 6

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

Monthly averages

MonthAverageLowestHighest
January543.904542.721544.290
February543.922542.660544.145
March543.982542.133544.790
April544.154542.697546.034
May544.139542.602545.572
June544.109542.517545.146
July544.066542.471545.597
August543.985542.340544.488
September543.925542.352544.614
October543.864541.825544.441
November543.834542.215544.175
December543.890543.452544.350

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Daily levels as CSV (14,699 rows; credit the original agencies listed below)