Country: Canada
United StatesCanadaUnited Kingdom

Mary Jane Reservoir water level history

Daily records since 1960 · Level today: 468.299 m

Highest on record
470.188 m
Apr 13, 2009
Lowest on record
467.496 m
Mar 22, 1989
Today
468.299 m
Oct 23, 2026
Years of data
66
since 1960

In short

Across 39 complete years, 1988 had the lowest average level (467.967 m) and 1994 the highest (468.445 m).

On average the lake is lowest in February (468.079 m) and highest in April (468.479 m).

Mary Jane Reservoir level, all years

Loading chart…

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

Each year's lowest and highest level

467.3468.1468.8469.6470.31960196819761984199220002008201620261960: lowest 467.93 m (1960-12-31), highest 468.43 m (1960-05-21), average 468.14 m, 228 days measured1961: lowest 467.72 m (1961-12-13), highest 468.72 m (1961-03-27), average 468.04 m, 364 days measured1962: lowest 467.70 m (1962-02-05), highest 468.73 m (1962-04-21), average 468.12 m, 365 days measured1963: lowest 467.99 m (1963-03-06), highest 468.58 m (1963-03-24), average 468.23 m, 365 days measured1964: lowest 467.99 m (1964-03-11), highest 468.66 m (1964-04-09), average 468.21 m, 366 days measured1965: lowest 468.05 m (1965-03-24), highest 468.76 m (1965-04-16), average 468.26 m, 361 days measured1966: lowest 467.99 m (1966-12-19), highest 468.57 m (1966-03-26), average 468.16 m, 202 days measured1967: lowest 467.92 m (1967-12-06), highest 468.95 m (1967-04-20), average 468.16 m, 329 days measured1968: lowest 467.88 m (1968-03-03), highest 468.74 m (1968-03-26), average 468.40 m, 322 days measured1969: lowest 468.14 m (1969-12-20), highest 469.82 m (1969-04-11), average 468.38 m, 281 days measured1970: lowest 468.04 m (1970-12-28), highest 469.76 m (1970-04-26), average 468.30 m, 309 days measured1971: lowest 467.98 m (1971-02-17), highest 468.54 m (1971-07-08), average 468.29 m, 230 days measured1972: lowest 467.99 m (1972-12-21), highest 468.77 m (1972-03-21), average 468.26 m, 278 days measured1973: lowest 467.95 m (1973-02-25), highest 468.55 m (1973-07-09), average 468.22 m, 309 days measured1974: lowest 467.94 m (1974-12-18), highest 469.45 m (1974-04-18), average 468.26 m, 365 days measured1975: lowest 467.90 m (1975-03-12), highest 468.61 m (1975-07-01), average 468.16 m, 262 days measured1976: lowest 467.67 m (1976-12-20), highest 469.05 m (1976-04-07), average 468.08 m, 335 days measured1977: lowest 467.63 m (1977-03-07), highest 469.16 m (1977-06-24), average 468.33 m, 365 days measured1978: lowest 468.06 m (1978-12-16), highest 468.95 m (1978-04-06), average 468.35 m, 365 days measured1979: lowest 468.04 m (1979-03-20), highest 468.53 m (1979-07-01), average 468.17 m, 274 days measured1980: lowest 467.96 m (1980-12-31), highest 468.69 m (1980-04-07), average 468.15 m, 366 days measured1981: lowest 467.93 m (1981-01-23), highest 468.51 m (1981-03-29), average 468.17 m, 365 days measured1982: lowest 467.92 m (1982-03-13), highest 468.63 m (1982-04-13), average 468.22 m, 365 days measured1983: lowest 467.85 m (1983-12-31), highest 468.77 m (1983-04-09), average 468.17 m, 365 days measured1984: lowest 467.81 m (1984-02-16), highest 468.53 m (1984-05-11), average 468.15 m, 366 days measured1985: lowest 468.03 m (1985-03-01), highest 468.67 m (1985-03-26), average 468.39 m, 336 days measured1986: lowest 468.05 m (1986-11-04), highest 468.90 m (1986-03-24), average 468.33 m, 365 days measured1987: lowest 468.01 m (1987-12-31), highest 469.42 m (1987-04-06), average 468.20 m, 365 days measured1988: lowest 467.55 m (1988-12-23), highest 468.50 m (1988-04-08), average 467.97 m, 366 days measured1989: lowest 467.50 m (1989-03-22), highest 468.59 m (1989-04-18), average 468.00 m, 365 days measured1990: lowest 467.84 m (1990-03-09), highest 468.71 m (1990-04-02), average 468.20 m, 365 days measured1991: lowest 467.98 m (1991-02-28), highest 468.74 m (1991-06-26), average 468.31 m, 365 days measured1993: lowest 468.14 m (1993-03-24), highest 468.85 m (1993-04-02), average 468.38 m, 365 days measured1994: lowest 468.28 m (1994-02-16), highest 468.86 m (1994-03-20), average 468.45 m, 365 days measured1995: lowest 468.25 m (1995-08-17), highest 469.22 m (1995-04-14), average 468.44 m, 365 days measured1996: lowest 468.12 m (1996-11-05), highest 469.24 m (1996-04-12), average 468.33 m, 366 days measured1997: lowest 468.10 m (1997-03-10), highest 468.70 m (1997-07-04), average 468.28 m, 351 days measured1998: lowest 468.02 m (1998-12-31), highest 468.94 m (1998-04-13), average 468.27 m, 274 days measured1999: lowest 467.81 m (1999-03-26), highest 468.87 m (1999-04-09), average 468.16 m, 365 days measured2000: lowest 467.77 m (2000-02-24), highest 468.23 m (2000-04-02), average 468.03 m, 272 days measured2001: lowest 467.76 m (2001-03-19), highest 468.97 m (2001-04-12), average 468.18 m, 361 days measured2002: lowest 468.00 m (2002-03-25), highest 468.92 m (2002-06-11), average 468.21 m, 365 days measured2003: lowest 467.97 m (2003-12-27), highest 468.57 m (2003-04-10), average 468.23 m, 365 days measured2004: lowest 467.94 m (2004-03-14), highest 469.83 m (2004-03-29), average 468.35 m, 366 days measured2005: lowest 468.33 m (2005-10-04), highest 468.91 m (2005-04-06), average 468.47 m, 301 days measured2006: lowest 467.90 m (2006-12-31), highest 469.65 m (2006-04-10), average 468.28 m, 340 days measured2007: lowest 467.87 m (2007-02-25), highest 469.00 m (2007-03-27), average 468.24 m, 315 days measured2008: lowest 468.05 m (2008-03-26), highest 468.60 m (2008-04-11), average 468.37 m, 366 days measured2009: lowest 467.90 m (2009-11-30), highest 470.19 m (2009-04-13), average 468.41 m, 365 days measured2010: lowest 467.89 m (2010-02-28), highest 468.81 m (2010-03-31), average 468.38 m, 340 days measured2011: lowest 468.11 m (2011-04-03), highest 469.07 m (2011-04-12), average 468.42 m, 277 days measured2012: lowest 468.10 m (2012-10-17), highest 468.64 m (2012-05-30), average 468.29 m, 345 days measured2013: lowest 468.01 m (2013-04-05), highest 468.88 m (2013-05-21), average 468.28 m, 301 days measured2014: lowest 468.14 m (2014-12-31), highest 469.11 m (2014-04-10), average 468.34 m, 316 days measured2015: lowest 468.10 m (2015-03-06), highest 468.53 m (2015-05-25), average 468.33 m, 313 days measured2016: lowest 468.13 m (2016-03-02), highest 468.53 m (2016-03-17), average 468.27 m, 361 days measured2017: lowest 468.14 m (2017-10-25), highest 468.50 m (2017-05-01), average 468.27 m, 283 days measured2018: lowest 468.15 m (2018-03-03), highest 468.74 m (2018-04-19), average 468.29 m, 365 days measured2019: lowest 467.93 m (2019-03-26), highest 469.13 m (2019-04-08), average 468.38 m, 336 days measured2026: lowest 468.30 m (2026-10-21), highest 468.35 m (2026-09-29), average 468.32 m, 28 days measured
467.3468.1468.8469.6470.3196019771994201120261960: lowest 467.93 m (1960-12-31), highest 468.43 m (1960-05-21), average 468.14 m, 228 days measured1961: lowest 467.72 m (1961-12-13), highest 468.72 m (1961-03-27), average 468.04 m, 364 days measured1962: lowest 467.70 m (1962-02-05), highest 468.73 m (1962-04-21), average 468.12 m, 365 days measured1963: lowest 467.99 m (1963-03-06), highest 468.58 m (1963-03-24), average 468.23 m, 365 days measured1964: lowest 467.99 m (1964-03-11), highest 468.66 m (1964-04-09), average 468.21 m, 366 days measured1965: lowest 468.05 m (1965-03-24), highest 468.76 m (1965-04-16), average 468.26 m, 361 days measured1966: lowest 467.99 m (1966-12-19), highest 468.57 m (1966-03-26), average 468.16 m, 202 days measured1967: lowest 467.92 m (1967-12-06), highest 468.95 m (1967-04-20), average 468.16 m, 329 days measured1968: lowest 467.88 m (1968-03-03), highest 468.74 m (1968-03-26), average 468.40 m, 322 days measured1969: lowest 468.14 m (1969-12-20), highest 469.82 m (1969-04-11), average 468.38 m, 281 days measured1970: lowest 468.04 m (1970-12-28), highest 469.76 m (1970-04-26), average 468.30 m, 309 days measured1971: lowest 467.98 m (1971-02-17), highest 468.54 m (1971-07-08), average 468.29 m, 230 days measured1972: lowest 467.99 m (1972-12-21), highest 468.77 m (1972-03-21), average 468.26 m, 278 days measured1973: lowest 467.95 m (1973-02-25), highest 468.55 m (1973-07-09), average 468.22 m, 309 days measured1974: lowest 467.94 m (1974-12-18), highest 469.45 m (1974-04-18), average 468.26 m, 365 days measured1975: lowest 467.90 m (1975-03-12), highest 468.61 m (1975-07-01), average 468.16 m, 262 days measured1976: lowest 467.67 m (1976-12-20), highest 469.05 m (1976-04-07), average 468.08 m, 335 days measured1977: lowest 467.63 m (1977-03-07), highest 469.16 m (1977-06-24), average 468.33 m, 365 days measured1978: lowest 468.06 m (1978-12-16), highest 468.95 m (1978-04-06), average 468.35 m, 365 days measured1979: lowest 468.04 m (1979-03-20), highest 468.53 m (1979-07-01), average 468.17 m, 274 days measured1980: lowest 467.96 m (1980-12-31), highest 468.69 m (1980-04-07), average 468.15 m, 366 days measured1981: lowest 467.93 m (1981-01-23), highest 468.51 m (1981-03-29), average 468.17 m, 365 days measured1982: lowest 467.92 m (1982-03-13), highest 468.63 m (1982-04-13), average 468.22 m, 365 days measured1983: lowest 467.85 m (1983-12-31), highest 468.77 m (1983-04-09), average 468.17 m, 365 days measured1984: lowest 467.81 m (1984-02-16), highest 468.53 m (1984-05-11), average 468.15 m, 366 days measured1985: lowest 468.03 m (1985-03-01), highest 468.67 m (1985-03-26), average 468.39 m, 336 days measured1986: lowest 468.05 m (1986-11-04), highest 468.90 m (1986-03-24), average 468.33 m, 365 days measured1987: lowest 468.01 m (1987-12-31), highest 469.42 m (1987-04-06), average 468.20 m, 365 days measured1988: lowest 467.55 m (1988-12-23), highest 468.50 m (1988-04-08), average 467.97 m, 366 days measured1989: lowest 467.50 m (1989-03-22), highest 468.59 m (1989-04-18), average 468.00 m, 365 days measured1990: lowest 467.84 m (1990-03-09), highest 468.71 m (1990-04-02), average 468.20 m, 365 days measured1991: lowest 467.98 m (1991-02-28), highest 468.74 m (1991-06-26), average 468.31 m, 365 days measured1993: lowest 468.14 m (1993-03-24), highest 468.85 m (1993-04-02), average 468.38 m, 365 days measured1994: lowest 468.28 m (1994-02-16), highest 468.86 m (1994-03-20), average 468.45 m, 365 days measured1995: lowest 468.25 m (1995-08-17), highest 469.22 m (1995-04-14), average 468.44 m, 365 days measured1996: lowest 468.12 m (1996-11-05), highest 469.24 m (1996-04-12), average 468.33 m, 366 days measured1997: lowest 468.10 m (1997-03-10), highest 468.70 m (1997-07-04), average 468.28 m, 351 days measured1998: lowest 468.02 m (1998-12-31), highest 468.94 m (1998-04-13), average 468.27 m, 274 days measured1999: lowest 467.81 m (1999-03-26), highest 468.87 m (1999-04-09), average 468.16 m, 365 days measured2000: lowest 467.77 m (2000-02-24), highest 468.23 m (2000-04-02), average 468.03 m, 272 days measured2001: lowest 467.76 m (2001-03-19), highest 468.97 m (2001-04-12), average 468.18 m, 361 days measured2002: lowest 468.00 m (2002-03-25), highest 468.92 m (2002-06-11), average 468.21 m, 365 days measured2003: lowest 467.97 m (2003-12-27), highest 468.57 m (2003-04-10), average 468.23 m, 365 days measured2004: lowest 467.94 m (2004-03-14), highest 469.83 m (2004-03-29), average 468.35 m, 366 days measured2005: lowest 468.33 m (2005-10-04), highest 468.91 m (2005-04-06), average 468.47 m, 301 days measured2006: lowest 467.90 m (2006-12-31), highest 469.65 m (2006-04-10), average 468.28 m, 340 days measured2007: lowest 467.87 m (2007-02-25), highest 469.00 m (2007-03-27), average 468.24 m, 315 days measured2008: lowest 468.05 m (2008-03-26), highest 468.60 m (2008-04-11), average 468.37 m, 366 days measured2009: lowest 467.90 m (2009-11-30), highest 470.19 m (2009-04-13), average 468.41 m, 365 days measured2010: lowest 467.89 m (2010-02-28), highest 468.81 m (2010-03-31), average 468.38 m, 340 days measured2011: lowest 468.11 m (2011-04-03), highest 469.07 m (2011-04-12), average 468.42 m, 277 days measured2012: lowest 468.10 m (2012-10-17), highest 468.64 m (2012-05-30), average 468.29 m, 345 days measured2013: lowest 468.01 m (2013-04-05), highest 468.88 m (2013-05-21), average 468.28 m, 301 days measured2014: lowest 468.14 m (2014-12-31), highest 469.11 m (2014-04-10), average 468.34 m, 316 days measured2015: lowest 468.10 m (2015-03-06), highest 468.53 m (2015-05-25), average 468.33 m, 313 days measured2016: lowest 468.13 m (2016-03-02), highest 468.53 m (2016-03-17), average 468.27 m, 361 days measured2017: lowest 468.14 m (2017-10-25), highest 468.50 m (2017-05-01), average 468.27 m, 283 days measured2018: lowest 468.15 m (2018-03-03), highest 468.74 m (2018-04-19), average 468.29 m, 365 days measured2019: lowest 467.93 m (2019-03-26), highest 469.13 m (2019-04-08), average 468.38 m, 336 days measured2026: lowest 468.30 m (2026-10-21), highest 468.35 m (2026-09-29), average 468.32 m, 28 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.

  • 1989467.496 m on Mar 22
  • 1988467.554 m on Dec 23
  • 1977467.630 m on Mar 7
  • 1976467.673 m on Dec 20
  • 1962467.700 m on Feb 5

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (28 days)468.321468.301Oct 21468.347Sep 29
2019468.376467.931Mar 26469.129Apr 8
2018468.294468.146Mar 3468.740Apr 19
2017 (283 days)468.272468.143Oct 25468.503May 1
2016468.271468.129Mar 2468.530Mar 17
2015 (313 days)468.333468.100Mar 6468.532May 25
2014 (316 days)468.336468.137Dec 31469.105Apr 10
2013 (301 days)468.279468.007Apr 5468.881May 21
2012468.289468.101Oct 17468.644May 30
2011 (277 days)468.421468.112Apr 3469.074Apr 12
2010468.377467.892Feb 28468.808Mar 31
2009468.410467.900Nov 30470.188Apr 13
2008468.372468.050Mar 26468.601Apr 11
2007 (315 days)468.240467.867Feb 25469.004Mar 27
2006468.278467.902Dec 31469.654Apr 10
2005 (301 days)468.468468.325Oct 4468.913Apr 6
2004468.353467.941Mar 14469.831Mar 29
2003468.233467.965Dec 27468.569Apr 10
2002468.205468.002Mar 25468.924Jun 11
2001468.184467.759Mar 19468.965Apr 12
2000 (272 days)468.030467.773Feb 24468.231Apr 2
1999468.161467.806Mar 26468.865Apr 9
1998 (274 days)468.274468.021Dec 31468.936Apr 13
1997468.284468.104Mar 10468.695Jul 4
1996468.334468.118Nov 5469.242Apr 12
1995468.442468.246Aug 17469.215Apr 14
1994468.445468.283Feb 16468.856Mar 20
1993468.378468.139Mar 24468.846Apr 2
1991468.310467.975Feb 28468.738Jun 26
1990468.201467.841Mar 9468.708Apr 2
1989467.998467.496Mar 22468.592Apr 18
1988467.967467.554Dec 23468.498Apr 8
1987468.199468.011Dec 31469.421Apr 6
1986468.334468.049Nov 4468.904Mar 24
1985468.394468.029Mar 1468.671Mar 26
1984468.153467.807Feb 16468.527May 11
1983468.167467.852Dec 31468.772Apr 9
1982468.217467.924Mar 13468.628Apr 13
1981468.171467.931Jan 23468.512Mar 29
1980468.153467.958Dec 31468.694Apr 7
1979 (274 days)468.173468.041Mar 20468.531Jul 1
1978468.346468.063Dec 16468.947Apr 6
1977468.328467.630Mar 7469.163Jun 24
1976468.085467.673Dec 20469.054Apr 7
1975 (262 days)468.162467.898Mar 12468.612Jul 1
1974468.264467.935Dec 18469.453Apr 18
1973 (309 days)468.220467.947Feb 25468.548Jul 9
1972 (278 days)468.265467.993Dec 21468.770Mar 21
1971 (230 days)468.292467.975Feb 17468.542Jul 8
1970 (309 days)468.299468.036Dec 28469.758Apr 26
1969 (281 days)468.375468.142Dec 20469.819Apr 11
1968 (322 days)468.401467.877Mar 3468.743Mar 26
1967 (329 days)468.158467.920Dec 6468.950Apr 20
1966 (202 days)468.157467.987Dec 19468.569Mar 26
1965468.259468.054Mar 24468.755Apr 16
1964468.206467.993Mar 11468.657Apr 9
1963468.230467.990Mar 6468.575Mar 24
1962468.119467.700Feb 5468.728Apr 21
1961468.043467.722Dec 13468.724Mar 27
1960 (228 days)468.141467.929Dec 31468.429May 21

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

Monthly averages

MonthAverageLowestHighest
January468.086467.546468.499
February468.079467.522468.518
March468.145467.496469.831
April468.479467.517470.188
May468.465467.725469.023
June468.438468.038469.163
July468.407468.003469.163
August468.313467.771469.011
September468.230467.693469.118
October468.172467.603468.782
November468.136467.578468.579
December468.108467.554468.524

Download

Daily levels as CSV (19,761 rows; credit the original agencies listed below)