Country: Canada
United StatesCanadaUnited Kingdom

Split Lake water level history

Daily records since 1954 · Level today: 167.055 m

Highest on record
169.389 m
May 23, 2017
Lowest on record
165.069 m
Oct 2, 2026
Today
167.055 m
Oct 23, 2026
Years of data
72
since 1954

In short

Across 45 complete years, 1964 had the lowest average level (166.283 m) and 2005 the highest (168.441 m).

On average the lake is lowest in April (166.906 m) and highest in January (167.605 m).

Split Lake level, all years

Loading chart…

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

Each year's lowest and highest level

1651661671681701954196319721981199019992008201720261954: lowest 166.89 m (1954-07-18), highest 167.05 m (1954-09-16), average 166.99 m, 50 days measured1955: lowest 166.58 m (1955-04-13), highest 167.71 m (1955-07-19), average 166.92 m, 105 days measured1956: lowest 166.35 m (1956-04-26), highest 167.58 m (1956-06-13), average 167.06 m, 110 days measured1957: lowest 166.04 m (1957-04-21), highest 166.99 m (1957-07-12), average 166.56 m, 188 days measured1958: lowest 166.00 m (1958-12-02), highest 166.48 m (1958-06-15), average 166.30 m, 165 days measured1959: lowest 166.40 m (1959-03-17), highest 167.38 m (1959-06-20), average 166.95 m, 218 days measured1960: lowest 166.22 m (1960-04-26), highest 167.29 m (1960-06-21), average 166.63 m, 253 days measured1961: lowest 166.03 m (1961-03-17), highest 166.34 m (1961-08-05), average 166.28 m, 31 days measured1962: lowest 165.60 m (1962-01-22), highest 166.63 m (1962-06-08), average 166.48 m, 111 days measured1963: lowest 166.15 m (1963-02-01), highest 167.03 m (1963-05-16), average 166.44 m, 206 days measured1964: lowest 165.33 m (1964-04-03), highest 166.89 m (1964-09-26), average 166.28 m, 336 days measured1965: lowest 165.86 m (1965-04-14), highest 167.56 m (1965-07-09), average 166.88 m, 141 days measured1966: lowest 166.60 m (1966-04-07), highest 168.37 m (1966-06-28), average 167.32 m, 121 days measured1967: lowest 166.56 m (1967-03-31), highest 167.62 m (1967-06-28), average 166.84 m, 28 days measured1968: lowest 166.68 m (1968-09-02), highest 166.94 m (1968-06-25), average 166.82 m, 28 days measured1969: lowest 166.59 m (1969-01-23), highest 167.70 m (1969-10-15), average 167.25 m, 200 days measured1970: lowest 166.44 m (1970-04-25), highest 167.96 m (1970-07-08), average 167.17 m, 341 days measured1971: lowest 166.56 m (1971-11-22), highest 167.75 m (1971-07-13), average 167.18 m, 243 days measured1972: lowest 166.46 m (1972-11-21), highest 167.72 m (1972-06-22), average 167.12 m, 187 days measured1973: lowest 165.94 m (1973-10-02), highest 166.85 m (1973-12-10), average 166.33 m, 207 days measured1974: lowest 166.59 m (1974-01-09), highest 167.92 m (1974-07-29), average 167.49 m, 208 days measured1975: lowest 166.70 m (1975-04-27), highest 167.66 m (1975-06-29), average 167.23 m, 325 days measured1976: lowest 166.04 m (1976-10-03), highest 167.35 m (1976-06-19), average 166.75 m, 347 days measured1977: lowest 165.32 m (1977-05-16), highest 167.44 m (1977-12-20), average 166.28 m, 314 days measured1978: lowest 166.14 m (1978-07-16), highest 168.03 m (1978-12-31), average 166.89 m, 242 days measured1979: lowest 166.45 m (1979-09-14), highest 168.58 m (1979-06-28), average 167.60 m, 365 days measured1980: lowest 165.83 m (1980-07-23), highest 167.79 m (1980-01-02), average 166.87 m, 366 days measured1981: lowest 165.96 m (1981-04-29), highest 167.80 m (1981-02-04), average 166.74 m, 342 days measured1982: lowest 166.10 m (1982-07-02), highest 167.79 m (1982-12-11), average 166.94 m, 365 days measured1983: lowest 166.65 m (1983-06-30), highest 167.85 m (1983-12-30), average 167.20 m, 336 days measured1984: lowest 166.49 m (1984-09-07), highest 167.81 m (1984-01-01), average 167.08 m, 366 days measured1985: lowest 166.74 m (1985-05-30), highest 168.07 m (1985-12-30), average 167.27 m, 308 days measured1986: lowest 166.91 m (1986-04-13), highest 168.61 m (1986-05-21), average 167.76 m, 260 days measured1987: lowest 166.23 m (1987-08-30), highest 168.07 m (1987-01-08), average 166.87 m, 345 days measured1988: lowest 165.78 m (1988-09-04), highest 167.39 m (1988-01-03), average 166.46 m, 362 days measured1989: lowest 165.89 m (1989-06-26), highest 167.36 m (1989-12-31), average 166.57 m, 323 days measured1990: lowest 166.20 m (1990-07-26), highest 167.54 m (1990-01-17), average 166.76 m, 365 days measured1991: lowest 166.04 m (1991-06-15), highest 167.36 m (1991-01-05), average 166.61 m, 349 days measured1992: lowest 166.28 m (1992-09-04), highest 167.96 m (1992-12-09), average 166.94 m, 366 days measured1993: lowest 165.73 m (1993-06-24), highest 167.97 m (1993-02-15), average 166.97 m, 365 days measured1994: lowest 166.38 m (1994-06-14), highest 167.95 m (1994-01-23), average 167.04 m, 365 days measured1995: lowest 166.47 m (1995-07-30), highest 167.80 m (1995-01-06), average 167.09 m, 365 days measured1996: lowest 166.91 m (1996-05-05), highest 168.47 m (1996-07-03), average 167.54 m, 366 days measured1997: lowest 167.13 m (1997-10-08), highest 168.55 m (1997-06-29), average 167.86 m, 365 days measured1998: lowest 166.72 m (1998-10-01), highest 168.25 m (1998-01-01), average 167.38 m, 365 days measured1999: lowest 166.49 m (1999-05-10), highest 167.62 m (1999-12-25), average 166.91 m, 365 days measured2000: lowest 166.67 m (2000-05-27), highest 168.37 m (2000-02-12), average 167.38 m, 366 days measured2001: lowest 167.15 m (2001-04-19), highest 168.34 m (2001-01-25), average 167.75 m, 365 days measured2002: lowest 166.65 m (2002-04-22), highest 168.11 m (2002-01-07), average 167.19 m, 365 days measured2003: lowest 165.49 m (2003-10-24), highest 168.10 m (2003-01-17), average 166.44 m, 365 days measured2004: lowest 165.99 m (2004-04-22), highest 168.02 m (2004-12-17), average 166.91 m, 366 days measured2005: lowest 167.64 m (2005-04-12), highest 169.23 m (2005-08-03), average 168.44 m, 365 days measured2006: lowest 166.45 m (2006-10-23), highest 168.43 m (2006-06-15), average 167.74 m, 365 days measured2007: lowest 166.89 m (2007-04-20), highest 168.29 m (2007-08-14), average 167.58 m, 365 days measured2008: lowest 166.94 m (2008-06-12), highest 168.39 m (2008-08-10), average 167.79 m, 366 days measured2009: lowest 167.25 m (2009-04-19), highest 168.74 m (2009-07-29), average 168.00 m, 365 days measured2010: lowest 166.54 m (2010-05-23), highest 168.75 m (2010-11-24), average 167.83 m, 365 days measured2011: lowest 167.53 m (2011-11-28), highest 169.18 m (2011-08-26), average 168.36 m, 365 days measured2012: lowest 166.78 m (2012-05-24), highest 168.39 m (2012-01-05), average 167.46 m, 355 days measured2013: lowest 167.08 m (2013-06-12), highest 168.19 m (2013-08-20), average 167.66 m, 337 days measured2014: lowest 167.37 m (2014-04-25), highest 168.73 m (2014-08-28), average 168.31 m, 243 days measured2015: lowest 167.25 m (2015-06-12), highest 168.32 m (2015-01-10), average 167.63 m, 365 days measured2016: lowest 167.12 m (2016-06-09), highest 168.31 m (2016-12-31), average 167.79 m, 366 days measured2017: lowest 167.01 m (2017-10-11), highest 169.39 m (2017-05-23), average 168.16 m, 365 days measured2018: lowest 166.52 m (2018-10-13), highest 168.07 m (2018-02-25), average 167.29 m, 281 days measured2019: lowest 166.69 m (2019-10-12), highest 168.27 m (2019-12-26), average 167.35 m, 365 days measured2020: lowest 167.08 m (2020-11-05), highest 168.69 m (2020-05-24), average 168.07 m, 366 days measured2021: lowest 166.03 m (2021-11-12), highest 168.34 m (2021-02-10), average 166.93 m, 365 days measured2022: lowest 166.68 m (2022-01-05), highest 168.97 m (2022-08-09), average 167.94 m, 363 days measured2023: lowest 165.97 m (2023-10-30), highest 168.33 m (2023-02-19), average 167.16 m, 365 days measured2024: lowest 166.06 m (2024-04-25), highest 167.56 m (2024-12-25), average 166.84 m, 366 days measured2025: lowest 165.65 m (2025-10-07), highest 167.97 m (2025-02-23), average 166.58 m, 365 days measured2026: lowest 165.07 m (2026-10-02), highest 167.05 m (2026-10-19), average 166.83 m, 30 days measured
165166167168170195419721990200820261954: lowest 166.89 m (1954-07-18), highest 167.05 m (1954-09-16), average 166.99 m, 50 days measured1955: lowest 166.58 m (1955-04-13), highest 167.71 m (1955-07-19), average 166.92 m, 105 days measured1956: lowest 166.35 m (1956-04-26), highest 167.58 m (1956-06-13), average 167.06 m, 110 days measured1957: lowest 166.04 m (1957-04-21), highest 166.99 m (1957-07-12), average 166.56 m, 188 days measured1958: lowest 166.00 m (1958-12-02), highest 166.48 m (1958-06-15), average 166.30 m, 165 days measured1959: lowest 166.40 m (1959-03-17), highest 167.38 m (1959-06-20), average 166.95 m, 218 days measured1960: lowest 166.22 m (1960-04-26), highest 167.29 m (1960-06-21), average 166.63 m, 253 days measured1961: lowest 166.03 m (1961-03-17), highest 166.34 m (1961-08-05), average 166.28 m, 31 days measured1962: lowest 165.60 m (1962-01-22), highest 166.63 m (1962-06-08), average 166.48 m, 111 days measured1963: lowest 166.15 m (1963-02-01), highest 167.03 m (1963-05-16), average 166.44 m, 206 days measured1964: lowest 165.33 m (1964-04-03), highest 166.89 m (1964-09-26), average 166.28 m, 336 days measured1965: lowest 165.86 m (1965-04-14), highest 167.56 m (1965-07-09), average 166.88 m, 141 days measured1966: lowest 166.60 m (1966-04-07), highest 168.37 m (1966-06-28), average 167.32 m, 121 days measured1967: lowest 166.56 m (1967-03-31), highest 167.62 m (1967-06-28), average 166.84 m, 28 days measured1968: lowest 166.68 m (1968-09-02), highest 166.94 m (1968-06-25), average 166.82 m, 28 days measured1969: lowest 166.59 m (1969-01-23), highest 167.70 m (1969-10-15), average 167.25 m, 200 days measured1970: lowest 166.44 m (1970-04-25), highest 167.96 m (1970-07-08), average 167.17 m, 341 days measured1971: lowest 166.56 m (1971-11-22), highest 167.75 m (1971-07-13), average 167.18 m, 243 days measured1972: lowest 166.46 m (1972-11-21), highest 167.72 m (1972-06-22), average 167.12 m, 187 days measured1973: lowest 165.94 m (1973-10-02), highest 166.85 m (1973-12-10), average 166.33 m, 207 days measured1974: lowest 166.59 m (1974-01-09), highest 167.92 m (1974-07-29), average 167.49 m, 208 days measured1975: lowest 166.70 m (1975-04-27), highest 167.66 m (1975-06-29), average 167.23 m, 325 days measured1976: lowest 166.04 m (1976-10-03), highest 167.35 m (1976-06-19), average 166.75 m, 347 days measured1977: lowest 165.32 m (1977-05-16), highest 167.44 m (1977-12-20), average 166.28 m, 314 days measured1978: lowest 166.14 m (1978-07-16), highest 168.03 m (1978-12-31), average 166.89 m, 242 days measured1979: lowest 166.45 m (1979-09-14), highest 168.58 m (1979-06-28), average 167.60 m, 365 days measured1980: lowest 165.83 m (1980-07-23), highest 167.79 m (1980-01-02), average 166.87 m, 366 days measured1981: lowest 165.96 m (1981-04-29), highest 167.80 m (1981-02-04), average 166.74 m, 342 days measured1982: lowest 166.10 m (1982-07-02), highest 167.79 m (1982-12-11), average 166.94 m, 365 days measured1983: lowest 166.65 m (1983-06-30), highest 167.85 m (1983-12-30), average 167.20 m, 336 days measured1984: lowest 166.49 m (1984-09-07), highest 167.81 m (1984-01-01), average 167.08 m, 366 days measured1985: lowest 166.74 m (1985-05-30), highest 168.07 m (1985-12-30), average 167.27 m, 308 days measured1986: lowest 166.91 m (1986-04-13), highest 168.61 m (1986-05-21), average 167.76 m, 260 days measured1987: lowest 166.23 m (1987-08-30), highest 168.07 m (1987-01-08), average 166.87 m, 345 days measured1988: lowest 165.78 m (1988-09-04), highest 167.39 m (1988-01-03), average 166.46 m, 362 days measured1989: lowest 165.89 m (1989-06-26), highest 167.36 m (1989-12-31), average 166.57 m, 323 days measured1990: lowest 166.20 m (1990-07-26), highest 167.54 m (1990-01-17), average 166.76 m, 365 days measured1991: lowest 166.04 m (1991-06-15), highest 167.36 m (1991-01-05), average 166.61 m, 349 days measured1992: lowest 166.28 m (1992-09-04), highest 167.96 m (1992-12-09), average 166.94 m, 366 days measured1993: lowest 165.73 m (1993-06-24), highest 167.97 m (1993-02-15), average 166.97 m, 365 days measured1994: lowest 166.38 m (1994-06-14), highest 167.95 m (1994-01-23), average 167.04 m, 365 days measured1995: lowest 166.47 m (1995-07-30), highest 167.80 m (1995-01-06), average 167.09 m, 365 days measured1996: lowest 166.91 m (1996-05-05), highest 168.47 m (1996-07-03), average 167.54 m, 366 days measured1997: lowest 167.13 m (1997-10-08), highest 168.55 m (1997-06-29), average 167.86 m, 365 days measured1998: lowest 166.72 m (1998-10-01), highest 168.25 m (1998-01-01), average 167.38 m, 365 days measured1999: lowest 166.49 m (1999-05-10), highest 167.62 m (1999-12-25), average 166.91 m, 365 days measured2000: lowest 166.67 m (2000-05-27), highest 168.37 m (2000-02-12), average 167.38 m, 366 days measured2001: lowest 167.15 m (2001-04-19), highest 168.34 m (2001-01-25), average 167.75 m, 365 days measured2002: lowest 166.65 m (2002-04-22), highest 168.11 m (2002-01-07), average 167.19 m, 365 days measured2003: lowest 165.49 m (2003-10-24), highest 168.10 m (2003-01-17), average 166.44 m, 365 days measured2004: lowest 165.99 m (2004-04-22), highest 168.02 m (2004-12-17), average 166.91 m, 366 days measured2005: lowest 167.64 m (2005-04-12), highest 169.23 m (2005-08-03), average 168.44 m, 365 days measured2006: lowest 166.45 m (2006-10-23), highest 168.43 m (2006-06-15), average 167.74 m, 365 days measured2007: lowest 166.89 m (2007-04-20), highest 168.29 m (2007-08-14), average 167.58 m, 365 days measured2008: lowest 166.94 m (2008-06-12), highest 168.39 m (2008-08-10), average 167.79 m, 366 days measured2009: lowest 167.25 m (2009-04-19), highest 168.74 m (2009-07-29), average 168.00 m, 365 days measured2010: lowest 166.54 m (2010-05-23), highest 168.75 m (2010-11-24), average 167.83 m, 365 days measured2011: lowest 167.53 m (2011-11-28), highest 169.18 m (2011-08-26), average 168.36 m, 365 days measured2012: lowest 166.78 m (2012-05-24), highest 168.39 m (2012-01-05), average 167.46 m, 355 days measured2013: lowest 167.08 m (2013-06-12), highest 168.19 m (2013-08-20), average 167.66 m, 337 days measured2014: lowest 167.37 m (2014-04-25), highest 168.73 m (2014-08-28), average 168.31 m, 243 days measured2015: lowest 167.25 m (2015-06-12), highest 168.32 m (2015-01-10), average 167.63 m, 365 days measured2016: lowest 167.12 m (2016-06-09), highest 168.31 m (2016-12-31), average 167.79 m, 366 days measured2017: lowest 167.01 m (2017-10-11), highest 169.39 m (2017-05-23), average 168.16 m, 365 days measured2018: lowest 166.52 m (2018-10-13), highest 168.07 m (2018-02-25), average 167.29 m, 281 days measured2019: lowest 166.69 m (2019-10-12), highest 168.27 m (2019-12-26), average 167.35 m, 365 days measured2020: lowest 167.08 m (2020-11-05), highest 168.69 m (2020-05-24), average 168.07 m, 366 days measured2021: lowest 166.03 m (2021-11-12), highest 168.34 m (2021-02-10), average 166.93 m, 365 days measured2022: lowest 166.68 m (2022-01-05), highest 168.97 m (2022-08-09), average 167.94 m, 363 days measured2023: lowest 165.97 m (2023-10-30), highest 168.33 m (2023-02-19), average 167.16 m, 365 days measured2024: lowest 166.06 m (2024-04-25), highest 167.56 m (2024-12-25), average 166.84 m, 366 days measured2025: lowest 165.65 m (2025-10-07), highest 167.97 m (2025-02-23), average 166.58 m, 365 days measured2026: lowest 165.07 m (2026-10-02), highest 167.05 m (2026-10-19), average 166.83 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.

  • 1964165.333 m on Apr 3
  • 2003165.494 m on Oct 24
  • 2025165.651 m on Oct 7
  • 1993165.727 m on Jun 24
  • 1988165.776 m on Sep 4

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)166.829165.069Oct 2167.054Oct 19
2025166.577165.651Oct 7167.965Feb 23
2024166.845166.056Apr 25167.561Dec 25
2023167.159165.971Oct 30168.333Feb 19
2022167.942166.682Jan 5168.968Aug 9
2021166.930166.031Nov 12168.344Feb 10
2020168.068167.084Nov 5168.690May 24
2019167.346166.690Oct 12168.266Dec 26
2018 (281 days)167.294166.517Oct 13168.067Feb 25
2017168.157167.011Oct 11169.389May 23
2016167.792167.121Jun 9168.309Dec 31
2015167.632167.254Jun 12168.320Jan 10
2014 (243 days)168.309167.373Apr 25168.735Aug 28
2013167.659167.078Jun 12168.188Aug 20
2012167.462166.783May 24168.387Jan 5
2011168.359167.530Nov 28169.177Aug 26
2010167.832166.538May 23168.747Nov 24
2009168.001167.254Apr 19168.744Jul 29
2008167.787166.944Jun 12168.391Aug 10
2007167.582166.888Apr 20168.292Aug 14
2006167.740166.451Oct 23168.430Jun 15
2005168.441167.641Apr 12169.227Aug 3
2004166.915165.988Apr 22168.022Dec 17
2003166.442165.494Oct 24168.100Jan 17
2002167.195166.647Apr 22168.109Jan 7
2001167.748167.153Apr 19168.337Jan 25
2000167.380166.668May 27168.368Feb 12
1999166.910166.494May 10167.623Dec 25
1998167.379166.719Oct 1168.246Jan 1
1997167.862167.131Oct 8168.554Jun 29
1996167.536166.908May 5168.471Jul 3
1995167.087166.466Jul 30167.800Jan 6
1994167.040166.383Jun 14167.952Jan 23
1993166.975165.727Jun 24167.972Feb 15
1992166.945166.280Sep 4167.955Dec 9
1991166.612166.044Jun 15167.358Jan 5
1990166.760166.200Jul 26167.538Jan 17
1989 (323 days)166.568165.887Jun 26167.364Dec 31
1988166.461165.776Sep 4167.392Jan 3
1987166.869166.227Aug 30168.073Jan 8
1986 (260 days)167.762166.910Apr 13168.610May 21
1985 (308 days)167.271166.744May 30168.071Dec 30
1984167.076166.491Sep 7167.809Jan 1
1983167.202166.646Jun 30167.851Dec 30
1982166.942166.102Jul 2167.787Dec 11
1981166.742165.962Apr 29167.801Feb 4
1980166.868165.831Jul 23167.786Jan 2
1979167.600166.448Sep 14168.579Jun 28
1978 (242 days)166.888166.140Jul 16168.030Dec 31
1977 (314 days)166.283165.317May 16167.436Dec 20
1976166.747166.043Oct 3167.350Jun 19
1975 (325 days)167.231166.704Apr 27167.661Jun 29
1974 (208 days)167.491166.588Jan 9167.923Jul 29
1973 (207 days)166.328165.939Oct 2166.851Dec 10
1972 (187 days)167.121166.457Nov 21167.716Jun 22
1971 (243 days)167.176166.564Nov 22167.747Jul 13
1970167.168166.439Apr 25167.957Jul 8
1969 (200 days)167.247166.591Jan 23167.704Oct 15
1968 (28 days)166.819166.683Sep 2166.939Jun 25
1967 (28 days)166.844166.555Mar 31167.619Jun 28
1966 (121 days)167.317166.604Apr 7168.375Jun 28
1965 (141 days)166.876165.860Apr 14167.561Jul 9
1964166.283165.333Apr 3166.887Sep 26
1963 (206 days)166.442166.153Feb 1167.030May 16
1962 (111 days)166.480165.604Jan 22166.634Jun 8
1961 (31 days)166.275166.028Mar 17166.345Aug 5
1960 (253 days)166.625166.223Apr 26167.289Jun 21
1959 (218 days)166.950166.403Mar 17167.378Jun 20
1958 (165 days)166.300165.997Dec 2166.476Jun 15
1957 (188 days)166.558166.040Apr 21166.991Jul 12
1956 (110 days)167.060166.351Apr 26167.576Jun 13
1955 (105 days)166.916166.582Apr 13167.710Jul 19
1954 (50 days)166.991166.887Jul 18167.052Sep 16

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

Monthly averages

MonthAverageLowestHighest
January167.605165.604168.521
February167.551165.921168.678
March167.259165.516168.634
April166.906165.333168.430
May167.063165.317169.389
June167.160165.727169.068
July167.214165.787169.212
August167.191165.577169.227
September167.085165.623169.217
October167.051165.069169.077
November167.182165.604168.747
December167.474165.997168.499

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Daily levels as CSV (21,359 rows; credit the original agencies listed below)