Country: Canada

Family Lake water level history

Daily records since 1916 · Level today: 304.385 m

Highest on record
306.415 m
Jun 5, 2022
Lowest on record
299.179 m
Apr 25, 1917
Today
304.385 m
Oct 23, 2026
Years of data
111
since 1916

In short

Across 57 complete years, 1920 had the lowest average level (299.676 m) and 1969 the highest (304.846 m).

On average the lake is lowest in March (303.676 m) and highest in July (304.531 m).

Family Lake level, all years

Loading chart…

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

Each year's lowest and highest level

2993013033053071916193019441958197219862000201420261916: lowest 299.23 m (1916-04-13), highest 300.42 m (1916-06-24), average 299.72 m, 261 days measured1917: lowest 299.18 m (1917-04-25), highest 300.63 m (1917-10-10), average 299.47 m, 222 days measured1918: lowest 300.29 m (1918-09-29), highest 300.76 m (1918-07-16), average 300.51 m, 78 days measured1919: lowest 299.59 m (1919-10-09), highest 299.74 m (1919-11-21), average 299.66 m, 71 days measured1920: lowest 299.25 m (1920-04-13), highest 300.59 m (1920-07-06), average 299.68 m, 366 days measured1921: lowest 299.25 m (1921-04-17), highest 300.66 m (1921-06-21), average 299.83 m, 365 days measured1922: lowest 299.38 m (1922-04-16), highest 300.51 m (1922-06-17), average 299.81 m, 365 days measured1923: lowest 299.28 m (1923-03-30), highest 299.41 m (1923-01-01), average 299.37 m, 88 days measured1957: lowest 303.81 m (1957-12-29), highest 304.99 m (1957-06-23), average 304.31 m, 192 days measured1958: lowest 303.79 m (1958-03-27), highest 304.55 m (1958-08-11), average 304.20 m, 348 days measured1959: lowest 303.96 m (1959-04-09), highest 305.81 m (1959-06-09), average 304.62 m, 317 days measured1960: lowest 303.91 m (1960-04-19), highest 304.96 m (1960-06-23), average 304.32 m, 360 days measured1961: lowest 303.77 m (1961-11-05), highest 304.54 m (1961-06-16), average 304.06 m, 364 days measured1962: lowest 303.76 m (1962-05-01), highest 304.94 m (1962-06-29), average 304.30 m, 354 days measured1963: lowest 303.89 m (1963-12-09), highest 305.22 m (1963-06-25), average 304.36 m, 365 days measured1964: lowest 303.84 m (1964-03-19), highest 305.07 m (1964-06-11), average 304.26 m, 366 days measured1965: lowest 303.96 m (1965-03-20), highest 305.19 m (1965-07-01), average 304.47 m, 350 days measured1966: lowest 303.98 m (1966-04-19), highest 305.34 m (1966-07-05), average 304.37 m, 314 days measured1967: lowest 303.73 m (1967-12-08), highest 305.51 m (1967-06-23), average 304.34 m, 336 days measured1968: lowest 303.80 m (1968-04-07), highest 305.29 m (1968-07-21), average 304.77 m, 276 days measured1969: lowest 304.12 m (1969-04-10), highest 305.69 m (1969-10-19), average 304.85 m, 365 days measured1970: lowest 303.96 m (1970-04-21), highest 304.83 m (1970-07-12), average 304.41 m, 365 days measured1971: lowest 304.06 m (1971-04-04), highest 305.24 m (1971-05-30), average 304.50 m, 365 days measured1972: lowest 303.99 m (1972-04-15), highest 305.15 m (1972-06-06), average 304.37 m, 359 days measured1973: lowest 303.96 m (1973-04-03), highest 304.81 m (1973-06-23), average 304.41 m, 342 days measured1974: lowest 304.06 m (1974-04-18), highest 305.53 m (1974-06-18), average 304.63 m, 365 days measured1975: lowest 304.01 m (1975-04-12), highest 305.14 m (1975-07-04), average 304.49 m, 365 days measured1976: lowest 303.59 m (1976-12-14), highest 304.55 m (1976-06-15), average 303.95 m, 85 days measured1977: lowest 303.63 m (1977-03-15), highest 305.00 m (1977-10-16), average 304.70 m, 108 days measured1978: lowest 304.02 m (1978-04-19), highest 305.16 m (1978-08-04), average 304.57 m, 365 days measured1979: lowest 304.05 m (1979-04-12), highest 305.62 m (1979-06-14), average 304.54 m, 365 days measured1980: lowest 304.04 m (1980-04-15), highest 304.56 m (1980-06-05), average 304.20 m, 264 days measured1981: lowest 303.91 m (1981-03-23), highest 304.66 m (1981-07-06), average 304.19 m, 280 days measured1982: lowest 304.05 m (1982-04-05), highest 305.35 m (1982-06-25), average 304.49 m, 332 days measured1983: lowest 303.86 m (1983-04-13), highest 304.38 m (1983-10-27), average 304.01 m, 149 days measured1984: lowest 303.89 m (1984-04-02), highest 304.88 m (1984-06-30), average 304.38 m, 281 days measured1985: lowest 304.01 m (1985-04-14), highest 305.23 m (1985-08-02), average 304.62 m, 365 days measured1986: lowest 304.09 m (1986-03-11), highest 305.34 m (1986-06-12), average 304.59 m, 127 days measured1987: lowest 304.05 m (1987-04-04), highest 304.90 m (1987-06-02), average 304.42 m, 199 days measured1988: lowest 303.69 m (1988-03-20), highest 304.41 m (1988-07-07), average 303.93 m, 347 days measured1989: lowest 303.80 m (1989-04-20), highest 304.70 m (1989-07-17), average 304.15 m, 365 days measured1990: lowest 303.88 m (1990-12-03), highest 305.38 m (1990-06-12), average 304.31 m, 365 days measured1991: lowest 303.86 m (1991-03-26), highest 304.61 m (1991-12-11), average 304.15 m, 365 days measured1992: lowest 304.01 m (1992-04-15), highest 305.29 m (1992-06-16), average 304.49 m, 366 days measured1993: lowest 303.92 m (1993-06-02), highest 304.52 m (1993-09-30), average 304.21 m, 365 days measured1994: lowest 303.92 m (1994-04-08), highest 304.77 m (1994-12-20), average 304.33 m, 365 days measured1995: lowest 304.13 m (1995-05-16), highest 305.20 m (1995-08-19), average 304.47 m, 365 days measured1996: lowest 303.96 m (1996-04-16), highest 305.08 m (1996-07-04), average 304.36 m, 366 days measured1997: lowest 304.05 m (1997-04-05), highest 305.36 m (1997-06-20), average 304.66 m, 365 days measured1998: lowest 303.95 m (1998-11-24), highest 305.27 m (1998-05-27), average 304.43 m, 365 days measured1999: lowest 303.81 m (1999-05-10), highest 304.71 m (1999-12-01), average 304.13 m, 365 days measured2000: lowest 304.14 m (2000-03-23), highest 305.37 m (2000-07-16), average 304.64 m, 366 days measured2001: lowest 304.11 m (2001-04-08), highest 304.91 m (2001-07-29), average 304.43 m, 365 days measured2002: lowest 304.07 m (2002-04-13), highest 305.52 m (2002-06-28), average 304.60 m, 365 days measured2003: lowest 304.06 m (2003-04-08), highest 304.51 m (2003-12-07), average 304.26 m, 365 days measured2004: lowest 304.11 m (2004-03-26), highest 305.52 m (2004-10-24), average 304.77 m, 366 days measured2005: lowest 304.17 m (2005-04-05), highest 305.65 m (2005-08-05), average 304.75 m, 365 days measured2006: lowest 303.90 m (2006-11-23), highest 305.18 m (2006-06-06), average 304.37 m, 365 days measured2007: lowest 304.02 m (2007-03-24), highest 305.75 m (2007-07-03), average 304.71 m, 336 days measured2008: lowest 304.09 m (2008-04-14), highest 304.97 m (2008-10-09), average 304.48 m, 269 days measured2009: lowest 304.06 m (2009-04-11), highest 305.71 m (2009-09-13), average 304.81 m, 365 days measured2010: lowest 303.99 m (2010-04-30), highest 305.23 m (2010-09-26), average 304.57 m, 365 days measured2011: lowest 303.80 m (2011-12-11), highest 305.01 m (2011-06-26), average 304.31 m, 365 days measured2012: lowest 303.85 m (2012-01-01), highest 304.89 m (2012-12-05), average 304.41 m, 351 days measured2013: lowest 304.01 m (2013-04-26), highest 305.21 m (2013-06-28), average 304.50 m, 365 days measured2014: lowest 304.01 m (2014-04-18), highest 305.33 m (2014-06-22), average 304.53 m, 365 days measured2015: lowest 304.05 m (2015-04-10), highest 305.12 m (2015-09-26), average 304.62 m, 365 days measured2016: lowest 304.18 m (2016-04-14), highest 305.05 m (2016-11-26), average 304.67 m, 366 days measured2017: lowest 303.89 m (2017-11-19), highest 304.93 m (2017-07-04), average 304.47 m, 327 days measured2018: lowest 303.83 m (2018-04-20), highest 304.69 m (2018-11-29), average 304.20 m, 322 days measured2019: lowest 303.97 m (2019-04-15), highest 305.45 m (2019-11-14), average 304.48 m, 365 days measured2020: lowest 304.10 m (2020-04-01), highest 305.10 m (2020-07-30), average 304.60 m, 366 days measured2021: lowest 304.04 m (2021-04-04), highest 304.55 m (2021-09-29), average 304.36 m, 365 days measured2022: lowest 304.04 m (2022-04-13), highest 306.42 m (2022-06-05), average 304.66 m, 365 days measured2023: lowest 303.95 m (2023-04-10), highest 304.76 m (2023-07-12), average 304.19 m, 365 days measured2024: lowest 303.99 m (2024-04-06), highest 305.19 m (2024-06-16), average 304.36 m, 366 days measured2025: lowest 303.96 m (2025-09-13), highest 304.48 m (2025-06-23), average 304.18 m, 365 days measured2026: lowest 304.38 m (2026-10-21), highest 304.44 m (2026-09-22), average 304.41 m, 30 days measured
299301303305307191619441972200020261916: lowest 299.23 m (1916-04-13), highest 300.42 m (1916-06-24), average 299.72 m, 261 days measured1917: lowest 299.18 m (1917-04-25), highest 300.63 m (1917-10-10), average 299.47 m, 222 days measured1918: lowest 300.29 m (1918-09-29), highest 300.76 m (1918-07-16), average 300.51 m, 78 days measured1919: lowest 299.59 m (1919-10-09), highest 299.74 m (1919-11-21), average 299.66 m, 71 days measured1920: lowest 299.25 m (1920-04-13), highest 300.59 m (1920-07-06), average 299.68 m, 366 days measured1921: lowest 299.25 m (1921-04-17), highest 300.66 m (1921-06-21), average 299.83 m, 365 days measured1922: lowest 299.38 m (1922-04-16), highest 300.51 m (1922-06-17), average 299.81 m, 365 days measured1923: lowest 299.28 m (1923-03-30), highest 299.41 m (1923-01-01), average 299.37 m, 88 days measured1957: lowest 303.81 m (1957-12-29), highest 304.99 m (1957-06-23), average 304.31 m, 192 days measured1958: lowest 303.79 m (1958-03-27), highest 304.55 m (1958-08-11), average 304.20 m, 348 days measured1959: lowest 303.96 m (1959-04-09), highest 305.81 m (1959-06-09), average 304.62 m, 317 days measured1960: lowest 303.91 m (1960-04-19), highest 304.96 m (1960-06-23), average 304.32 m, 360 days measured1961: lowest 303.77 m (1961-11-05), highest 304.54 m (1961-06-16), average 304.06 m, 364 days measured1962: lowest 303.76 m (1962-05-01), highest 304.94 m (1962-06-29), average 304.30 m, 354 days measured1963: lowest 303.89 m (1963-12-09), highest 305.22 m (1963-06-25), average 304.36 m, 365 days measured1964: lowest 303.84 m (1964-03-19), highest 305.07 m (1964-06-11), average 304.26 m, 366 days measured1965: lowest 303.96 m (1965-03-20), highest 305.19 m (1965-07-01), average 304.47 m, 350 days measured1966: lowest 303.98 m (1966-04-19), highest 305.34 m (1966-07-05), average 304.37 m, 314 days measured1967: lowest 303.73 m (1967-12-08), highest 305.51 m (1967-06-23), average 304.34 m, 336 days measured1968: lowest 303.80 m (1968-04-07), highest 305.29 m (1968-07-21), average 304.77 m, 276 days measured1969: lowest 304.12 m (1969-04-10), highest 305.69 m (1969-10-19), average 304.85 m, 365 days measured1970: lowest 303.96 m (1970-04-21), highest 304.83 m (1970-07-12), average 304.41 m, 365 days measured1971: lowest 304.06 m (1971-04-04), highest 305.24 m (1971-05-30), average 304.50 m, 365 days measured1972: lowest 303.99 m (1972-04-15), highest 305.15 m (1972-06-06), average 304.37 m, 359 days measured1973: lowest 303.96 m (1973-04-03), highest 304.81 m (1973-06-23), average 304.41 m, 342 days measured1974: lowest 304.06 m (1974-04-18), highest 305.53 m (1974-06-18), average 304.63 m, 365 days measured1975: lowest 304.01 m (1975-04-12), highest 305.14 m (1975-07-04), average 304.49 m, 365 days measured1976: lowest 303.59 m (1976-12-14), highest 304.55 m (1976-06-15), average 303.95 m, 85 days measured1977: lowest 303.63 m (1977-03-15), highest 305.00 m (1977-10-16), average 304.70 m, 108 days measured1978: lowest 304.02 m (1978-04-19), highest 305.16 m (1978-08-04), average 304.57 m, 365 days measured1979: lowest 304.05 m (1979-04-12), highest 305.62 m (1979-06-14), average 304.54 m, 365 days measured1980: lowest 304.04 m (1980-04-15), highest 304.56 m (1980-06-05), average 304.20 m, 264 days measured1981: lowest 303.91 m (1981-03-23), highest 304.66 m (1981-07-06), average 304.19 m, 280 days measured1982: lowest 304.05 m (1982-04-05), highest 305.35 m (1982-06-25), average 304.49 m, 332 days measured1983: lowest 303.86 m (1983-04-13), highest 304.38 m (1983-10-27), average 304.01 m, 149 days measured1984: lowest 303.89 m (1984-04-02), highest 304.88 m (1984-06-30), average 304.38 m, 281 days measured1985: lowest 304.01 m (1985-04-14), highest 305.23 m (1985-08-02), average 304.62 m, 365 days measured1986: lowest 304.09 m (1986-03-11), highest 305.34 m (1986-06-12), average 304.59 m, 127 days measured1987: lowest 304.05 m (1987-04-04), highest 304.90 m (1987-06-02), average 304.42 m, 199 days measured1988: lowest 303.69 m (1988-03-20), highest 304.41 m (1988-07-07), average 303.93 m, 347 days measured1989: lowest 303.80 m (1989-04-20), highest 304.70 m (1989-07-17), average 304.15 m, 365 days measured1990: lowest 303.88 m (1990-12-03), highest 305.38 m (1990-06-12), average 304.31 m, 365 days measured1991: lowest 303.86 m (1991-03-26), highest 304.61 m (1991-12-11), average 304.15 m, 365 days measured1992: lowest 304.01 m (1992-04-15), highest 305.29 m (1992-06-16), average 304.49 m, 366 days measured1993: lowest 303.92 m (1993-06-02), highest 304.52 m (1993-09-30), average 304.21 m, 365 days measured1994: lowest 303.92 m (1994-04-08), highest 304.77 m (1994-12-20), average 304.33 m, 365 days measured1995: lowest 304.13 m (1995-05-16), highest 305.20 m (1995-08-19), average 304.47 m, 365 days measured1996: lowest 303.96 m (1996-04-16), highest 305.08 m (1996-07-04), average 304.36 m, 366 days measured1997: lowest 304.05 m (1997-04-05), highest 305.36 m (1997-06-20), average 304.66 m, 365 days measured1998: lowest 303.95 m (1998-11-24), highest 305.27 m (1998-05-27), average 304.43 m, 365 days measured1999: lowest 303.81 m (1999-05-10), highest 304.71 m (1999-12-01), average 304.13 m, 365 days measured2000: lowest 304.14 m (2000-03-23), highest 305.37 m (2000-07-16), average 304.64 m, 366 days measured2001: lowest 304.11 m (2001-04-08), highest 304.91 m (2001-07-29), average 304.43 m, 365 days measured2002: lowest 304.07 m (2002-04-13), highest 305.52 m (2002-06-28), average 304.60 m, 365 days measured2003: lowest 304.06 m (2003-04-08), highest 304.51 m (2003-12-07), average 304.26 m, 365 days measured2004: lowest 304.11 m (2004-03-26), highest 305.52 m (2004-10-24), average 304.77 m, 366 days measured2005: lowest 304.17 m (2005-04-05), highest 305.65 m (2005-08-05), average 304.75 m, 365 days measured2006: lowest 303.90 m (2006-11-23), highest 305.18 m (2006-06-06), average 304.37 m, 365 days measured2007: lowest 304.02 m (2007-03-24), highest 305.75 m (2007-07-03), average 304.71 m, 336 days measured2008: lowest 304.09 m (2008-04-14), highest 304.97 m (2008-10-09), average 304.48 m, 269 days measured2009: lowest 304.06 m (2009-04-11), highest 305.71 m (2009-09-13), average 304.81 m, 365 days measured2010: lowest 303.99 m (2010-04-30), highest 305.23 m (2010-09-26), average 304.57 m, 365 days measured2011: lowest 303.80 m (2011-12-11), highest 305.01 m (2011-06-26), average 304.31 m, 365 days measured2012: lowest 303.85 m (2012-01-01), highest 304.89 m (2012-12-05), average 304.41 m, 351 days measured2013: lowest 304.01 m (2013-04-26), highest 305.21 m (2013-06-28), average 304.50 m, 365 days measured2014: lowest 304.01 m (2014-04-18), highest 305.33 m (2014-06-22), average 304.53 m, 365 days measured2015: lowest 304.05 m (2015-04-10), highest 305.12 m (2015-09-26), average 304.62 m, 365 days measured2016: lowest 304.18 m (2016-04-14), highest 305.05 m (2016-11-26), average 304.67 m, 366 days measured2017: lowest 303.89 m (2017-11-19), highest 304.93 m (2017-07-04), average 304.47 m, 327 days measured2018: lowest 303.83 m (2018-04-20), highest 304.69 m (2018-11-29), average 304.20 m, 322 days measured2019: lowest 303.97 m (2019-04-15), highest 305.45 m (2019-11-14), average 304.48 m, 365 days measured2020: lowest 304.10 m (2020-04-01), highest 305.10 m (2020-07-30), average 304.60 m, 366 days measured2021: lowest 304.04 m (2021-04-04), highest 304.55 m (2021-09-29), average 304.36 m, 365 days measured2022: lowest 304.04 m (2022-04-13), highest 306.42 m (2022-06-05), average 304.66 m, 365 days measured2023: lowest 303.95 m (2023-04-10), highest 304.76 m (2023-07-12), average 304.19 m, 365 days measured2024: lowest 303.99 m (2024-04-06), highest 305.19 m (2024-06-16), average 304.36 m, 366 days measured2025: lowest 303.96 m (2025-09-13), highest 304.48 m (2025-06-23), average 304.18 m, 365 days measured2026: lowest 304.38 m (2026-10-21), highest 304.44 m (2026-09-22), average 304.41 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.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)304.411304.380Oct 21304.445Sep 22
2025304.183303.955Sep 13304.480Jun 23
2024304.356303.989Apr 6305.188Jun 16
2023304.186303.949Apr 10304.760Jul 12
2022304.664304.041Apr 13306.415Jun 5
2021304.361304.039Apr 4304.552Sep 29
2020304.601304.098Apr 1305.096Jul 30
2019304.483303.972Apr 15305.452Nov 14
2018 (322 days)304.196303.831Apr 20304.693Nov 29
2017 (327 days)304.472303.894Nov 19304.935Jul 4
2016304.668304.176Apr 14305.047Nov 26
2015304.616304.045Apr 10305.121Sep 26
2014304.532304.005Apr 18305.326Jun 22
2013304.501304.013Apr 26305.214Jun 28
2012304.413303.851Jan 1304.888Dec 5
2011304.307303.804Dec 11305.014Jun 26
2010304.566303.993Apr 30305.226Sep 26
2009304.805304.059Apr 11305.711Sep 13
2008 (269 days)304.480304.094Apr 14304.968Oct 9
2007304.710304.020Mar 24305.748Jul 3
2006304.368303.904Nov 23305.184Jun 6
2005304.754304.167Apr 5305.646Aug 5
2004304.771304.114Mar 26305.518Oct 24
2003304.262304.055Apr 8304.508Dec 7
2002304.602304.074Apr 13305.517Jun 28
2001304.434304.106Apr 8304.907Jul 29
2000304.636304.142Mar 23305.371Jul 16
1999304.127303.814May 10304.707Dec 1
1998304.427303.945Nov 24305.266May 27
1997304.664304.050Apr 5305.362Jun 20
1996304.362303.958Apr 16305.077Jul 4
1995304.473304.127May 16305.196Aug 19
1994304.327303.923Apr 8304.765Dec 20
1993304.207303.922Jun 2304.519Sep 30
1992304.490304.006Apr 15305.287Jun 16
1991304.150303.864Mar 26304.613Dec 11
1990304.315303.875Dec 3305.381Jun 12
1989304.147303.802Apr 20304.700Jul 17
1988303.928303.693Mar 20304.408Jul 7
1987 (199 days)304.418304.054Apr 4304.900Jun 2
1986 (127 days)304.591304.090Mar 11305.336Jun 12
1985304.620304.011Apr 14305.234Aug 2
1984 (281 days)304.380303.889Apr 2304.876Jun 30
1983 (149 days)304.007303.865Apr 13304.380Oct 27
1982304.493304.051Apr 5305.354Jun 25
1981 (280 days)304.188303.912Mar 23304.660Jul 6
1980 (264 days)304.196304.036Apr 15304.560Jun 5
1979304.536304.053Apr 12305.618Jun 14
1978304.572304.017Apr 19305.157Aug 4
1977 (108 days)304.698303.630Mar 15305.001Oct 16
1976 (85 days)303.949303.593Dec 14304.547Jun 15
1975304.489304.014Apr 12305.144Jul 4
1974304.632304.062Apr 18305.528Jun 18
1973304.409303.962Apr 3304.815Jun 23
1972304.370303.989Apr 15305.147Jun 6
1971304.504304.059Apr 4305.236May 30
1970304.405303.956Apr 21304.827Jul 12
1969304.846304.120Apr 10305.690Oct 19
1968 (276 days)304.772303.803Apr 7305.294Jul 21
1967304.337303.727Dec 8305.513Jun 23
1966 (314 days)304.374303.983Apr 19305.343Jul 5
1965304.468303.959Mar 20305.193Jul 1
1964304.264303.840Mar 19305.071Jun 11
1963304.362303.889Dec 9305.224Jun 25
1962304.300303.758May 1304.943Jun 29
1961304.060303.773Nov 5304.535Jun 16
1960304.316303.913Apr 19304.958Jun 23
1959 (317 days)304.623303.956Apr 9305.812Jun 9
1958304.205303.791Mar 27304.550Aug 11
1957 (192 days)304.310303.809Dec 29304.986Jun 23
1923 (88 days)299.374299.280Mar 30299.414Jan 1
1922299.815299.384Apr 16300.508Jun 17
1921299.830299.247Apr 17300.664Jun 21
1920299.676299.247Apr 13300.588Jul 6
1919 (71 days)299.655299.588Oct 9299.740Nov 21
1918 (78 days)300.508300.286Sep 29300.758Jul 16
1917 (222 days)299.472299.179Apr 25300.627Oct 10
1916 (261 days)299.724299.228Apr 13300.417Jun 24

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

Monthly averages

MonthAverageLowestHighest
January303.968299.390304.841
February303.887299.347304.660
March303.676299.253304.426
April303.706299.179304.720
May304.025299.189306.257
June304.500299.207306.415
July304.531299.387305.797
August304.260299.743305.646
September304.188299.548305.711
October304.098299.356305.690
November304.106299.350305.596
December304.087299.384305.270

Download

Daily levels as CSV (24,873 rows; credit the original agencies listed below)