Country: Canada
United StatesCanadaUnited Kingdom

Lac Memphremagog water level history

Daily records since 1920 · Level today: 207.072 m

Highest on record
209.224 m
Nov 6, 1927
Lowest on record
206.758 m
Oct 7, 1921
Today
207.072 m
Oct 23, 2026
Years of data
106
since 1920

In short

Across 105 complete years, 1921 had the lowest average level (207.504 m) and 1945 the highest (207.988 m).

On average the lake is lowest in March (207.527 m) and highest in May (207.998 m).

Lac Memphremagog level, all years

Loading chart…

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

Each year's lowest and highest level

206.6207.3208.0208.7209.41920193319461959197219851998201120261920: lowest 207.73 m (1920-09-04), highest 208.09 m (1920-12-18), average 207.89 m, 172 days measured1921: lowest 206.76 m (1921-10-07), highest 208.29 m (1921-03-23), average 207.50 m, 365 days measured1922: lowest 207.08 m (1922-12-20), highest 208.70 m (1922-04-14), average 207.71 m, 365 days measured1923: lowest 207.05 m (1923-03-01), highest 208.45 m (1923-05-02), average 207.70 m, 365 days measured1924: lowest 207.50 m (1924-03-17), highest 208.20 m (1924-09-14), average 207.91 m, 366 days measured1925: lowest 207.68 m (1925-09-03), highest 208.29 m (1925-11-19), average 207.93 m, 365 days measured1926: lowest 207.55 m (1926-09-18), highest 208.41 m (1926-04-27), average 207.88 m, 365 days measured1927: lowest 207.21 m (1927-10-09), highest 209.22 m (1927-11-06), average 207.81 m, 365 days measured1928: lowest 207.48 m (1928-03-13), highest 208.64 m (1928-04-10), average 207.91 m, 366 days measured1929: lowest 207.29 m (1929-10-26), highest 208.27 m (1929-04-10), average 207.76 m, 365 days measured1930: lowest 207.13 m (1930-09-30), highest 208.21 m (1930-02-28), average 207.71 m, 365 days measured1931: lowest 207.19 m (1931-03-11), highest 208.20 m (1931-04-27), average 207.78 m, 365 days measured1932: lowest 207.54 m (1932-03-24), highest 208.43 m (1932-04-13), average 207.92 m, 366 days measured1933: lowest 207.05 m (1933-10-18), highest 208.91 m (1933-04-20), average 207.68 m, 365 days measured1934: lowest 207.02 m (1934-11-01), highest 208.31 m (1934-04-19), average 207.57 m, 365 days measured1935: lowest 207.25 m (1935-11-08), highest 208.13 m (1935-05-02), average 207.73 m, 365 days measured1936: lowest 207.34 m (1936-03-10), highest 208.89 m (1936-03-23), average 207.85 m, 366 days measured1937: lowest 207.16 m (1937-10-15), highest 208.29 m (1937-05-22), average 207.83 m, 365 days measured1938: lowest 207.59 m (1938-09-10), highest 208.34 m (1938-03-26), average 207.88 m, 365 days measured1939: lowest 207.43 m (1939-04-17), highest 208.68 m (1939-04-30), average 207.86 m, 365 days measured1940: lowest 207.29 m (1940-03-29), highest 208.74 m (1940-05-06), average 207.74 m, 366 days measured1941: lowest 207.25 m (1941-10-02), highest 208.29 m (1941-04-18), average 207.72 m, 365 days measured1942: lowest 207.42 m (1942-09-16), highest 208.47 m (1942-04-20), average 207.86 m, 365 days measured1943: lowest 207.57 m (1943-04-13), highest 208.28 m (1943-06-17), average 207.93 m, 365 days measured1944: lowest 207.40 m (1944-09-14), highest 208.22 m (1944-05-08), average 207.78 m, 366 days measured1945: lowest 207.44 m (1945-09-14), highest 208.46 m (1945-04-01), average 207.99 m, 365 days measured1946: lowest 207.13 m (1946-09-23), highest 208.09 m (1946-12-14), average 207.75 m, 365 days measured1947: lowest 207.12 m (1947-11-06), highest 208.29 m (1947-06-04), average 207.76 m, 365 days measured1948: lowest 207.15 m (1948-02-04), highest 208.13 m (1948-05-16), average 207.62 m, 366 days measured1949: lowest 207.33 m (1949-08-26), highest 208.43 m (1949-03-30), average 207.77 m, 365 days measured1950: lowest 207.52 m (1950-10-09), highest 208.35 m (1950-04-23), average 207.86 m, 365 days measured1951: lowest 207.32 m (1951-10-21), highest 208.33 m (1951-04-16), average 207.82 m, 365 days measured1952: lowest 207.22 m (1952-11-17), highest 208.34 m (1952-06-04), average 207.75 m, 366 days measured1953: lowest 207.11 m (1953-11-16), highest 208.42 m (1953-03-28), average 207.71 m, 365 days measured1954: lowest 207.37 m (1954-02-14), highest 208.53 m (1954-04-24), average 207.92 m, 365 days measured1955: lowest 207.14 m (1955-10-29), highest 208.43 m (1955-04-20), average 207.66 m, 365 days measured1956: lowest 207.17 m (1956-04-03), highest 208.21 m (1956-05-01), average 207.60 m, 366 days measured1957: lowest 207.26 m (1957-10-17), highest 208.29 m (1957-12-23), average 207.73 m, 365 days measured1958: lowest 207.50 m (1958-10-15), highest 208.59 m (1958-04-24), average 207.88 m, 365 days measured1959: lowest 207.21 m (1959-03-20), highest 208.39 m (1959-12-01), average 207.75 m, 365 days measured1960: lowest 207.26 m (1960-03-28), highest 208.35 m (1960-04-20), average 207.72 m, 366 days measured1961: lowest 207.12 m (1961-10-28), highest 208.23 m (1961-04-28), average 207.66 m, 365 days measured1962: lowest 207.16 m (1962-03-19), highest 208.22 m (1962-04-11), average 207.78 m, 365 days measured1963: lowest 207.14 m (1963-03-23), highest 208.28 m (1963-04-23), average 207.68 m, 365 days measured1964: lowest 207.09 m (1964-10-16), highest 208.28 m (1964-04-17), average 207.51 m, 366 days measured1965: lowest 207.16 m (1965-04-05), highest 208.05 m (1965-11-21), average 207.69 m, 365 days measured1966: lowest 207.10 m (1966-10-19), highest 208.03 m (1966-05-23), average 207.57 m, 365 days measured1967: lowest 207.21 m (1967-03-25), highest 208.07 m (1967-06-18), average 207.69 m, 365 days measured1968: lowest 206.97 m (1968-11-08), highest 208.11 m (1968-04-01), average 207.57 m, 366 days measured1969: lowest 207.07 m (1969-03-19), highest 208.60 m (1969-04-20), average 207.76 m, 365 days measured1970: lowest 207.12 m (1970-03-20), highest 208.38 m (1970-04-28), average 207.69 m, 365 days measured1971: lowest 207.11 m (1971-04-02), highest 208.30 m (1971-05-07), average 207.63 m, 365 days measured1972: lowest 207.00 m (1972-02-18), highest 208.54 m (1972-05-08), average 207.65 m, 366 days measured1973: lowest 207.38 m (1973-03-07), highest 208.40 m (1973-07-03), average 207.89 m, 365 days measured1974: lowest 207.31 m (1974-04-02), highest 208.35 m (1974-05-01), average 207.76 m, 365 days measured1975: lowest 207.05 m (1975-03-19), highest 208.04 m (1975-11-24), average 207.61 m, 365 days measured1976: lowest 207.30 m (1976-01-27), highest 208.56 m (1976-04-04), average 207.68 m, 366 days measured1977: lowest 207.00 m (1977-03-04), highest 208.12 m (1977-10-03), average 207.56 m, 365 days measured1978: lowest 207.06 m (1978-03-22), highest 208.22 m (1978-04-30), average 207.55 m, 365 days measured1979: lowest 207.03 m (1979-03-03), highest 208.09 m (1979-04-05), average 207.60 m, 365 days measured1980: lowest 207.17 m (1980-03-17), highest 208.02 m (1980-12-09), average 207.64 m, 366 days measured1981: lowest 207.32 m (1981-02-01), highest 208.07 m (1981-05-18), average 207.77 m, 365 days measured1982: lowest 207.05 m (1982-03-11), highest 208.44 m (1982-04-23), average 207.59 m, 365 days measured1983: lowest 207.28 m (1983-10-04), highest 208.31 m (1983-05-04), average 207.70 m, 365 days measured1984: lowest 207.10 m (1984-11-03), highest 208.18 m (1984-06-03), average 207.57 m, 366 days measured1985: lowest 207.26 m (1985-02-23), highest 207.94 m (1985-05-07), average 207.68 m, 365 days measured1986: lowest 207.38 m (1986-03-10), highest 208.38 m (1986-04-03), average 207.75 m, 365 days measured1987: lowest 207.23 m (1987-03-20), highest 208.16 m (1987-04-03), average 207.74 m, 365 days measured1988: lowest 207.29 m (1988-03-07), highest 208.10 m (1988-04-25), average 207.70 m, 366 days measured1989: lowest 207.31 m (1989-03-14), highest 208.29 m (1989-04-09), average 207.71 m, 365 days measured1990: lowest 207.29 m (1990-03-11), highest 208.18 m (1990-12-26), average 207.84 m, 365 days measured1991: lowest 207.42 m (1991-03-26), highest 208.17 m (1991-01-01), average 207.81 m, 365 days measured1992: lowest 207.36 m (1992-10-22), highest 208.44 m (1992-04-25), average 207.73 m, 366 days measured1993: lowest 207.01 m (1993-03-25), highest 208.12 m (1993-04-27), average 207.68 m, 365 days measured1994: lowest 207.07 m (1994-03-24), highest 208.60 m (1994-04-20), average 207.69 m, 365 days measured1995: lowest 207.22 m (1995-03-14), highest 208.20 m (1995-11-16), average 207.78 m, 365 days measured1996: lowest 207.24 m (1996-10-20), highest 208.39 m (1996-04-28), average 207.71 m, 366 days measured1997: lowest 207.17 m (1997-03-28), highest 208.03 m (1997-07-18), average 207.68 m, 365 days measured1998: lowest 207.22 m (1998-03-01), highest 208.45 m (1998-04-04), average 207.73 m, 365 days measured1999: lowest 207.12 m (1999-03-17), highest 207.98 m (1999-11-29), average 207.66 m, 365 days measured2000: lowest 207.15 m (2000-02-27), highest 208.14 m (2000-04-25), average 207.70 m, 366 days measured2001: lowest 207.13 m (2001-03-03), highest 208.36 m (2001-04-27), average 207.51 m, 365 days measured2002: lowest 207.19 m (2002-02-20), highest 208.33 m (2002-04-18), average 207.68 m, 365 days measured2003: lowest 207.10 m (2003-03-20), highest 208.27 m (2003-10-31), average 207.68 m, 365 days measured2004: lowest 207.14 m (2004-03-02), highest 208.11 m (2004-09-03), average 207.69 m, 366 days measured2005: lowest 207.14 m (2005-03-28), highest 208.16 m (2005-11-19), average 207.75 m, 365 days measured2006: lowest 207.31 m (2006-03-29), highest 208.31 m (2006-05-24), average 207.75 m, 365 days measured2007: lowest 207.19 m (2007-03-13), highest 208.06 m (2007-01-10), average 207.72 m, 365 days measured2008: lowest 207.27 m (2008-03-31), highest 208.30 m (2008-08-08), average 207.75 m, 366 days measured2009: lowest 207.34 m (2009-02-11), highest 208.26 m (2009-12-01), average 207.70 m, 365 days measured2010: lowest 207.21 m (2010-03-14), highest 208.13 m (2010-12-15), average 207.78 m, 365 days measured2011: lowest 207.26 m (2011-03-05), highest 208.65 m (2011-04-30), average 207.84 m, 365 days measured2012: lowest 207.21 m (2012-03-08), highest 208.16 m (2012-12-13), average 207.71 m, 366 days measured2013: lowest 207.16 m (2013-03-11), highest 208.36 m (2013-05-29), average 207.71 m, 365 days measured2014: lowest 207.12 m (2014-03-27), highest 208.47 m (2014-04-18), average 207.67 m, 365 days measured2015: lowest 207.07 m (2015-03-14), highest 208.16 m (2015-06-15), average 207.66 m, 365 days measured2016: lowest 207.28 m (2016-10-20), highest 208.04 m (2016-01-01), average 207.70 m, 366 days measured2017: lowest 207.46 m (2017-10-22), highest 208.08 m (2017-04-17), average 207.77 m, 365 days measured2018: lowest 207.20 m (2018-03-28), highest 208.22 m (2018-12-25), average 207.70 m, 365 days measured2019: lowest 207.21 m (2019-03-15), highest 208.58 m (2019-04-24), average 207.77 m, 365 days measured2020: lowest 207.27 m (2020-09-29), highest 208.07 m (2020-01-15), average 207.68 m, 366 days measured2021: lowest 207.11 m (2021-03-09), highest 208.09 m (2021-05-07), average 207.56 m, 365 days measured2022: lowest 207.28 m (2022-02-16), highest 208.10 m (2022-12-25), average 207.77 m, 365 days measured2023: lowest 207.47 m (2023-10-21), highest 208.60 m (2023-07-18), average 207.83 m, 365 days measured2024: lowest 207.45 m (2024-11-22), highest 208.09 m (2024-07-17), average 207.73 m, 366 days measured2025: lowest 207.06 m (2025-10-31), highest 208.00 m (2025-05-20), average 207.56 m, 365 days measured2026: lowest 207.07 m (2026-10-16), highest 207.17 m (2026-09-22), average 207.10 m, 30 days measured
206.6207.3208.0208.7209.4192019471974200120261920: lowest 207.73 m (1920-09-04), highest 208.09 m (1920-12-18), average 207.89 m, 172 days measured1921: lowest 206.76 m (1921-10-07), highest 208.29 m (1921-03-23), average 207.50 m, 365 days measured1922: lowest 207.08 m (1922-12-20), highest 208.70 m (1922-04-14), average 207.71 m, 365 days measured1923: lowest 207.05 m (1923-03-01), highest 208.45 m (1923-05-02), average 207.70 m, 365 days measured1924: lowest 207.50 m (1924-03-17), highest 208.20 m (1924-09-14), average 207.91 m, 366 days measured1925: lowest 207.68 m (1925-09-03), highest 208.29 m (1925-11-19), average 207.93 m, 365 days measured1926: lowest 207.55 m (1926-09-18), highest 208.41 m (1926-04-27), average 207.88 m, 365 days measured1927: lowest 207.21 m (1927-10-09), highest 209.22 m (1927-11-06), average 207.81 m, 365 days measured1928: lowest 207.48 m (1928-03-13), highest 208.64 m (1928-04-10), average 207.91 m, 366 days measured1929: lowest 207.29 m (1929-10-26), highest 208.27 m (1929-04-10), average 207.76 m, 365 days measured1930: lowest 207.13 m (1930-09-30), highest 208.21 m (1930-02-28), average 207.71 m, 365 days measured1931: lowest 207.19 m (1931-03-11), highest 208.20 m (1931-04-27), average 207.78 m, 365 days measured1932: lowest 207.54 m (1932-03-24), highest 208.43 m (1932-04-13), average 207.92 m, 366 days measured1933: lowest 207.05 m (1933-10-18), highest 208.91 m (1933-04-20), average 207.68 m, 365 days measured1934: lowest 207.02 m (1934-11-01), highest 208.31 m (1934-04-19), average 207.57 m, 365 days measured1935: lowest 207.25 m (1935-11-08), highest 208.13 m (1935-05-02), average 207.73 m, 365 days measured1936: lowest 207.34 m (1936-03-10), highest 208.89 m (1936-03-23), average 207.85 m, 366 days measured1937: lowest 207.16 m (1937-10-15), highest 208.29 m (1937-05-22), average 207.83 m, 365 days measured1938: lowest 207.59 m (1938-09-10), highest 208.34 m (1938-03-26), average 207.88 m, 365 days measured1939: lowest 207.43 m (1939-04-17), highest 208.68 m (1939-04-30), average 207.86 m, 365 days measured1940: lowest 207.29 m (1940-03-29), highest 208.74 m (1940-05-06), average 207.74 m, 366 days measured1941: lowest 207.25 m (1941-10-02), highest 208.29 m (1941-04-18), average 207.72 m, 365 days measured1942: lowest 207.42 m (1942-09-16), highest 208.47 m (1942-04-20), average 207.86 m, 365 days measured1943: lowest 207.57 m (1943-04-13), highest 208.28 m (1943-06-17), average 207.93 m, 365 days measured1944: lowest 207.40 m (1944-09-14), highest 208.22 m (1944-05-08), average 207.78 m, 366 days measured1945: lowest 207.44 m (1945-09-14), highest 208.46 m (1945-04-01), average 207.99 m, 365 days measured1946: lowest 207.13 m (1946-09-23), highest 208.09 m (1946-12-14), average 207.75 m, 365 days measured1947: lowest 207.12 m (1947-11-06), highest 208.29 m (1947-06-04), average 207.76 m, 365 days measured1948: lowest 207.15 m (1948-02-04), highest 208.13 m (1948-05-16), average 207.62 m, 366 days measured1949: lowest 207.33 m (1949-08-26), highest 208.43 m (1949-03-30), average 207.77 m, 365 days measured1950: lowest 207.52 m (1950-10-09), highest 208.35 m (1950-04-23), average 207.86 m, 365 days measured1951: lowest 207.32 m (1951-10-21), highest 208.33 m (1951-04-16), average 207.82 m, 365 days measured1952: lowest 207.22 m (1952-11-17), highest 208.34 m (1952-06-04), average 207.75 m, 366 days measured1953: lowest 207.11 m (1953-11-16), highest 208.42 m (1953-03-28), average 207.71 m, 365 days measured1954: lowest 207.37 m (1954-02-14), highest 208.53 m (1954-04-24), average 207.92 m, 365 days measured1955: lowest 207.14 m (1955-10-29), highest 208.43 m (1955-04-20), average 207.66 m, 365 days measured1956: lowest 207.17 m (1956-04-03), highest 208.21 m (1956-05-01), average 207.60 m, 366 days measured1957: lowest 207.26 m (1957-10-17), highest 208.29 m (1957-12-23), average 207.73 m, 365 days measured1958: lowest 207.50 m (1958-10-15), highest 208.59 m (1958-04-24), average 207.88 m, 365 days measured1959: lowest 207.21 m (1959-03-20), highest 208.39 m (1959-12-01), average 207.75 m, 365 days measured1960: lowest 207.26 m (1960-03-28), highest 208.35 m (1960-04-20), average 207.72 m, 366 days measured1961: lowest 207.12 m (1961-10-28), highest 208.23 m (1961-04-28), average 207.66 m, 365 days measured1962: lowest 207.16 m (1962-03-19), highest 208.22 m (1962-04-11), average 207.78 m, 365 days measured1963: lowest 207.14 m (1963-03-23), highest 208.28 m (1963-04-23), average 207.68 m, 365 days measured1964: lowest 207.09 m (1964-10-16), highest 208.28 m (1964-04-17), average 207.51 m, 366 days measured1965: lowest 207.16 m (1965-04-05), highest 208.05 m (1965-11-21), average 207.69 m, 365 days measured1966: lowest 207.10 m (1966-10-19), highest 208.03 m (1966-05-23), average 207.57 m, 365 days measured1967: lowest 207.21 m (1967-03-25), highest 208.07 m (1967-06-18), average 207.69 m, 365 days measured1968: lowest 206.97 m (1968-11-08), highest 208.11 m (1968-04-01), average 207.57 m, 366 days measured1969: lowest 207.07 m (1969-03-19), highest 208.60 m (1969-04-20), average 207.76 m, 365 days measured1970: lowest 207.12 m (1970-03-20), highest 208.38 m (1970-04-28), average 207.69 m, 365 days measured1971: lowest 207.11 m (1971-04-02), highest 208.30 m (1971-05-07), average 207.63 m, 365 days measured1972: lowest 207.00 m (1972-02-18), highest 208.54 m (1972-05-08), average 207.65 m, 366 days measured1973: lowest 207.38 m (1973-03-07), highest 208.40 m (1973-07-03), average 207.89 m, 365 days measured1974: lowest 207.31 m (1974-04-02), highest 208.35 m (1974-05-01), average 207.76 m, 365 days measured1975: lowest 207.05 m (1975-03-19), highest 208.04 m (1975-11-24), average 207.61 m, 365 days measured1976: lowest 207.30 m (1976-01-27), highest 208.56 m (1976-04-04), average 207.68 m, 366 days measured1977: lowest 207.00 m (1977-03-04), highest 208.12 m (1977-10-03), average 207.56 m, 365 days measured1978: lowest 207.06 m (1978-03-22), highest 208.22 m (1978-04-30), average 207.55 m, 365 days measured1979: lowest 207.03 m (1979-03-03), highest 208.09 m (1979-04-05), average 207.60 m, 365 days measured1980: lowest 207.17 m (1980-03-17), highest 208.02 m (1980-12-09), average 207.64 m, 366 days measured1981: lowest 207.32 m (1981-02-01), highest 208.07 m (1981-05-18), average 207.77 m, 365 days measured1982: lowest 207.05 m (1982-03-11), highest 208.44 m (1982-04-23), average 207.59 m, 365 days measured1983: lowest 207.28 m (1983-10-04), highest 208.31 m (1983-05-04), average 207.70 m, 365 days measured1984: lowest 207.10 m (1984-11-03), highest 208.18 m (1984-06-03), average 207.57 m, 366 days measured1985: lowest 207.26 m (1985-02-23), highest 207.94 m (1985-05-07), average 207.68 m, 365 days measured1986: lowest 207.38 m (1986-03-10), highest 208.38 m (1986-04-03), average 207.75 m, 365 days measured1987: lowest 207.23 m (1987-03-20), highest 208.16 m (1987-04-03), average 207.74 m, 365 days measured1988: lowest 207.29 m (1988-03-07), highest 208.10 m (1988-04-25), average 207.70 m, 366 days measured1989: lowest 207.31 m (1989-03-14), highest 208.29 m (1989-04-09), average 207.71 m, 365 days measured1990: lowest 207.29 m (1990-03-11), highest 208.18 m (1990-12-26), average 207.84 m, 365 days measured1991: lowest 207.42 m (1991-03-26), highest 208.17 m (1991-01-01), average 207.81 m, 365 days measured1992: lowest 207.36 m (1992-10-22), highest 208.44 m (1992-04-25), average 207.73 m, 366 days measured1993: lowest 207.01 m (1993-03-25), highest 208.12 m (1993-04-27), average 207.68 m, 365 days measured1994: lowest 207.07 m (1994-03-24), highest 208.60 m (1994-04-20), average 207.69 m, 365 days measured1995: lowest 207.22 m (1995-03-14), highest 208.20 m (1995-11-16), average 207.78 m, 365 days measured1996: lowest 207.24 m (1996-10-20), highest 208.39 m (1996-04-28), average 207.71 m, 366 days measured1997: lowest 207.17 m (1997-03-28), highest 208.03 m (1997-07-18), average 207.68 m, 365 days measured1998: lowest 207.22 m (1998-03-01), highest 208.45 m (1998-04-04), average 207.73 m, 365 days measured1999: lowest 207.12 m (1999-03-17), highest 207.98 m (1999-11-29), average 207.66 m, 365 days measured2000: lowest 207.15 m (2000-02-27), highest 208.14 m (2000-04-25), average 207.70 m, 366 days measured2001: lowest 207.13 m (2001-03-03), highest 208.36 m (2001-04-27), average 207.51 m, 365 days measured2002: lowest 207.19 m (2002-02-20), highest 208.33 m (2002-04-18), average 207.68 m, 365 days measured2003: lowest 207.10 m (2003-03-20), highest 208.27 m (2003-10-31), average 207.68 m, 365 days measured2004: lowest 207.14 m (2004-03-02), highest 208.11 m (2004-09-03), average 207.69 m, 366 days measured2005: lowest 207.14 m (2005-03-28), highest 208.16 m (2005-11-19), average 207.75 m, 365 days measured2006: lowest 207.31 m (2006-03-29), highest 208.31 m (2006-05-24), average 207.75 m, 365 days measured2007: lowest 207.19 m (2007-03-13), highest 208.06 m (2007-01-10), average 207.72 m, 365 days measured2008: lowest 207.27 m (2008-03-31), highest 208.30 m (2008-08-08), average 207.75 m, 366 days measured2009: lowest 207.34 m (2009-02-11), highest 208.26 m (2009-12-01), average 207.70 m, 365 days measured2010: lowest 207.21 m (2010-03-14), highest 208.13 m (2010-12-15), average 207.78 m, 365 days measured2011: lowest 207.26 m (2011-03-05), highest 208.65 m (2011-04-30), average 207.84 m, 365 days measured2012: lowest 207.21 m (2012-03-08), highest 208.16 m (2012-12-13), average 207.71 m, 366 days measured2013: lowest 207.16 m (2013-03-11), highest 208.36 m (2013-05-29), average 207.71 m, 365 days measured2014: lowest 207.12 m (2014-03-27), highest 208.47 m (2014-04-18), average 207.67 m, 365 days measured2015: lowest 207.07 m (2015-03-14), highest 208.16 m (2015-06-15), average 207.66 m, 365 days measured2016: lowest 207.28 m (2016-10-20), highest 208.04 m (2016-01-01), average 207.70 m, 366 days measured2017: lowest 207.46 m (2017-10-22), highest 208.08 m (2017-04-17), average 207.77 m, 365 days measured2018: lowest 207.20 m (2018-03-28), highest 208.22 m (2018-12-25), average 207.70 m, 365 days measured2019: lowest 207.21 m (2019-03-15), highest 208.58 m (2019-04-24), average 207.77 m, 365 days measured2020: lowest 207.27 m (2020-09-29), highest 208.07 m (2020-01-15), average 207.68 m, 366 days measured2021: lowest 207.11 m (2021-03-09), highest 208.09 m (2021-05-07), average 207.56 m, 365 days measured2022: lowest 207.28 m (2022-02-16), highest 208.10 m (2022-12-25), average 207.77 m, 365 days measured2023: lowest 207.47 m (2023-10-21), highest 208.60 m (2023-07-18), average 207.83 m, 365 days measured2024: lowest 207.45 m (2024-11-22), highest 208.09 m (2024-07-17), average 207.73 m, 366 days measured2025: lowest 207.06 m (2025-10-31), highest 208.00 m (2025-05-20), average 207.56 m, 365 days measured2026: lowest 207.07 m (2026-10-16), highest 207.17 m (2026-09-22), average 207.10 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.

  • 1921206.758 m on Oct 7
  • 1968206.974 m on Nov 8
  • 1972206.996 m on Feb 18
  • 1977207.002 m on Mar 4
  • 1993207.009 m on Mar 25

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)207.103207.070Oct 16207.168Sep 22
2025207.559207.060Oct 31208.000May 20
2024207.735207.450Nov 22208.090Jul 17
2023207.835207.467Oct 21208.599Jul 18
2022207.773207.279Feb 16208.098Dec 25
2021207.562207.109Mar 9208.094May 7
2020207.679207.267Sep 29208.071Jan 15
2019207.766207.211Mar 15208.578Apr 24
2018207.701207.203Mar 28208.219Dec 25
2017207.767207.458Oct 22208.076Apr 17
2016207.695207.276Oct 20208.041Jan 1
2015207.656207.075Mar 14208.163Jun 15
2014207.667207.122Mar 27208.471Apr 18
2013207.715207.156Mar 11208.362May 29
2012207.712207.209Mar 8208.160Dec 13
2011207.836207.258Mar 5208.654Apr 30
2010207.778207.205Mar 14208.132Dec 15
2009207.699207.343Feb 11208.263Dec 1
2008207.755207.266Mar 31208.300Aug 8
2007207.724207.186Mar 13208.059Jan 10
2006207.749207.308Mar 29208.314May 24
2005207.754207.137Mar 28208.160Nov 19
2004207.694207.135Mar 2208.112Sep 3
2003207.675207.103Mar 20208.268Oct 31
2002207.681207.189Feb 20208.332Apr 18
2001207.506207.134Mar 3208.358Apr 27
2000207.695207.146Feb 27208.142Apr 25
1999207.660207.115Mar 17207.980Nov 29
1998207.730207.222Mar 1208.446Apr 4
1997207.680207.165Mar 28208.033Jul 18
1996207.708207.241Oct 20208.388Apr 28
1995207.777207.223Mar 14208.202Nov 16
1994207.686207.069Mar 24208.603Apr 20
1993207.681207.009Mar 25208.124Apr 27
1992207.730207.363Oct 22208.438Apr 25
1991207.808207.418Mar 26208.171Jan 1
1990207.835207.295Mar 11208.182Dec 26
1989207.708207.314Mar 14208.289Apr 9
1988207.705207.285Mar 7208.101Apr 25
1987207.739207.234Mar 20208.155Apr 3
1986207.747207.383Mar 10208.385Apr 3
1985207.682207.256Feb 23207.940May 7
1984207.572207.104Nov 3208.180Jun 3
1983207.702207.284Oct 4208.311May 4
1982207.587207.051Mar 11208.436Apr 23
1981207.771207.323Feb 1208.072May 18
1980207.645207.169Mar 17208.023Dec 9
1979207.603207.030Mar 3208.089Apr 5
1978207.549207.060Mar 22208.215Apr 30
1977207.563207.002Mar 4208.120Oct 3
1976207.685207.301Jan 27208.562Apr 4
1975207.613207.045Mar 19208.038Nov 24
1974207.765207.313Apr 2208.346May 1
1973207.885207.383Mar 7208.404Jul 3
1972207.650206.996Feb 18208.541May 8
1971207.633207.109Apr 2208.297May 7
1970207.687207.115Mar 20208.380Apr 28
1969207.759207.069Mar 19208.596Apr 20
1968207.573206.974Nov 8208.111Apr 1
1967207.694207.212Mar 25208.066Jun 18
1966207.572207.096Oct 19208.035May 23
1965207.692207.160Apr 5208.047Nov 21
1964207.508207.093Oct 16208.276Apr 17
1963207.682207.139Mar 23208.282Apr 23
1962207.778207.157Mar 19208.221Apr 11
1961207.664207.115Oct 28208.227Apr 28
1960207.724207.255Mar 28208.352Apr 20
1959207.754207.212Mar 20208.386Dec 1
1958207.877207.502Oct 15208.590Apr 24
1957207.729207.258Oct 17208.291Dec 23
1956207.603207.170Apr 3208.206May 1
1955207.659207.139Oct 29208.434Apr 20
1954207.924207.368Feb 14208.526Apr 24
1953207.708207.109Nov 16208.419Mar 28
1952207.752207.215Nov 17208.337Jun 4
1951207.821207.316Oct 21208.328Apr 16
1950207.863207.520Oct 9208.352Apr 23
1949207.769207.331Aug 26208.428Mar 30
1948207.618207.151Feb 4208.133May 16
1947207.763207.118Nov 6208.294Jun 4
1946207.751207.133Sep 23208.090Dec 14
1945207.988207.438Sep 14208.459Apr 1
1944207.780207.401Sep 14208.224May 8
1943207.929207.566Apr 13208.279Jun 17
1942207.855207.419Sep 16208.468Apr 20
1941207.720207.249Oct 2208.294Apr 18
1940207.744207.288Mar 29208.736May 6
1939207.860207.435Apr 17208.684Apr 30
1938207.885207.593Sep 10208.337Mar 26
1937207.831207.160Oct 15208.288May 22
1936207.847207.337Mar 10208.892Mar 23
1935207.726207.252Nov 8208.130May 2
1934207.565207.020Nov 1208.309Apr 19
1933207.682207.054Oct 18208.907Apr 20
1932207.916207.544Mar 24208.428Apr 13
1931207.776207.191Mar 11208.197Apr 27
1930207.708207.133Sep 30208.206Feb 28
1929207.759207.291Oct 26208.270Apr 10
1928207.913207.483Mar 13208.642Apr 10
1927207.810207.212Oct 9209.224Nov 6
1926207.875207.551Sep 18208.407Apr 27
1925207.927207.679Sep 3208.285Nov 19
1924207.910207.499Mar 17208.200Sep 14
1923207.703207.045Mar 1208.447May 2
1922207.706207.078Dec 20208.700Apr 14
1921207.504206.758Oct 7208.294Mar 23
1920 (172 days)207.895207.730Sep 4208.087Dec 18

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

Monthly averages

MonthAverageLowestHighest
January207.750207.078208.291
February207.572206.996208.206
March207.527207.002208.892
April207.926207.081208.907
May207.998207.584208.736
June207.898207.441208.392
July207.787207.371208.599
August207.676207.093208.300
September207.547206.880208.200
October207.541206.758208.268
November207.692206.877209.224
December207.807207.078208.386

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Daily levels as CSV (38,553 rows; credit the original agencies listed below)