Country: Canada
United StatesCanadaUnited Kingdom

Lac Seul water level history

Daily records since 1921 · Level today: 356.338 m

Highest on record
357.546 m
Oct 19, 1941
Lowest on record
352.035 m
Apr 14, 1923
Today
356.338 m
Oct 23, 2026
Years of data
106
since 1921

In short

Across 94 complete years, 1923 had the lowest average level (352.901 m) and 1951 the highest (356.669 m).

On average the lake is lowest in April (354.661 m) and highest in August (356.120 m).

Lac Seul level, all years

Loading chart…

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

Each year's lowest and highest level

3523533553563581921193419471960197319861999201220261921: lowest 352.10 m (1921-03-16), highest 354.08 m (1921-06-10), average 353.00 m, 177 days measured1922: lowest 352.31 m (1922-11-27), highest 353.57 m (1922-06-03), average 352.81 m, 294 days measured1923: lowest 352.04 m (1923-04-14), highest 353.51 m (1923-06-01), average 352.90 m, 339 days measured1924: lowest 352.35 m (1924-04-24), highest 353.04 m (1924-06-28), average 352.67 m, 309 days measured1925: lowest 352.25 m (1925-03-30), highest 354.22 m (1925-07-07), average 353.04 m, 317 days measured1926: lowest 352.44 m (1926-04-10), highest 354.24 m (1926-10-19), average 353.28 m, 364 days measured1927: lowest 352.78 m (1927-04-03), highest 355.55 m (1927-07-10), average 353.83 m, 365 days measured1928: lowest 352.39 m (1928-04-21), highest 353.93 m (1928-09-14), average 353.20 m, 366 days measured1929: lowest 352.58 m (1929-04-05), highest 353.68 m (1929-07-17), average 353.07 m, 365 days measured1930: lowest 352.62 m (1930-03-23), highest 353.85 m (1930-09-01), average 353.22 m, 365 days measured1931: lowest 352.55 m (1931-03-20), highest 354.25 m (1931-08-10), average 353.45 m, 365 days measured1932: lowest 352.98 m (1932-04-18), highest 354.51 m (1932-06-03), average 353.67 m, 366 days measured1933: lowest 352.82 m (1933-04-17), highest 354.27 m (1933-06-10), average 353.61 m, 365 days measured1934: lowest 353.29 m (1934-04-27), highest 356.14 m (1934-07-07), average 354.64 m, 365 days measured1935: lowest 354.38 m (1935-04-09), highest 356.39 m (1935-11-06), average 355.53 m, 365 days measured1936: lowest 355.33 m (1936-04-27), highest 356.68 m (1936-08-01), average 356.07 m, 366 days measured1937: lowest 355.41 m (1937-04-16), highest 357.13 m (1937-07-14), average 356.40 m, 365 days measured1938: lowest 355.61 m (1938-04-15), highest 357.15 m (1938-08-26), average 356.42 m, 365 days measured1939: lowest 355.43 m (1939-04-20), highest 356.69 m (1939-09-05), average 356.10 m, 365 days measured1940: lowest 355.28 m (1940-12-31), highest 356.43 m (1940-07-17), average 356.04 m, 366 days measured1941: lowest 354.82 m (1941-04-05), highest 357.55 m (1941-10-19), average 355.85 m, 365 days measured1942: lowest 355.63 m (1942-03-20), highest 356.82 m (1942-10-23), average 356.22 m, 365 days measured1943: lowest 355.89 m (1943-04-21), highest 357.22 m (1943-09-11), average 356.60 m, 365 days measured1944: lowest 355.71 m (1944-04-16), highest 357.05 m (1944-09-02), average 356.50 m, 366 days measured1945: lowest 355.91 m (1945-03-24), highest 356.86 m (1945-09-28), average 356.50 m, 365 days measured1946: lowest 355.66 m (1946-03-27), highest 357.12 m (1946-07-29), average 356.62 m, 365 days measured1947: lowest 355.69 m (1947-04-28), highest 357.10 m (1947-09-11), average 356.56 m, 365 days measured1948: lowest 355.58 m (1948-04-17), highest 357.17 m (1948-08-21), average 356.41 m, 366 days measured1949: lowest 355.17 m (1949-04-11), highest 356.22 m (1949-11-15), average 355.86 m, 365 days measured1950: lowest 355.45 m (1950-04-30), highest 357.34 m (1950-07-18), average 356.53 m, 365 days measured1951: lowest 355.69 m (1951-04-25), highest 357.12 m (1951-08-03), average 356.67 m, 365 days measured1952: lowest 355.96 m (1952-12-31), highest 357.06 m (1952-07-30), average 356.56 m, 366 days measured1953: lowest 355.00 m (1953-05-09), highest 357.08 m (1953-11-03), average 356.11 m, 365 days measured1954: lowest 355.75 m (1954-04-20), highest 357.35 m (1954-06-17), average 356.60 m, 365 days measured1955: lowest 355.57 m (1955-04-08), highest 356.79 m (1955-07-23), average 356.18 m, 365 days measured1956: lowest 354.98 m (1956-05-03), highest 356.95 m (1956-07-25), average 356.07 m, 366 days measured1957: lowest 354.96 m (1957-04-18), highest 356.95 m (1957-08-03), average 356.06 m, 365 days measured1958: lowest 354.62 m (1958-04-27), highest 356.07 m (1958-11-27), average 355.31 m, 365 days measured1959: lowest 354.94 m (1959-04-12), highest 357.11 m (1959-07-18), average 356.10 m, 365 days measured1960: lowest 354.68 m (1960-04-18), highest 356.21 m (1960-07-30), average 355.57 m, 366 days measured1961: lowest 354.00 m (1961-04-14), highest 355.49 m (1961-08-12), average 354.89 m, 365 days measured1962: lowest 354.34 m (1962-03-27), highest 356.97 m (1962-08-24), average 355.67 m, 365 days measured1963: lowest 355.02 m (1963-04-15), highest 357.01 m (1963-08-14), average 356.09 m, 365 days measured1964: lowest 354.29 m (1964-04-11), highest 357.17 m (1964-10-08), average 355.96 m, 366 days measured1965: lowest 354.71 m (1965-04-25), highest 356.80 m (1965-07-27), average 356.01 m, 365 days measured1966: lowest 354.29 m (1966-04-23), highest 356.77 m (1966-07-23), average 355.63 m, 365 days measured1967: lowest 353.77 m (1967-04-08), highest 356.70 m (1967-08-29), average 355.37 m, 365 days measured1968: lowest 354.17 m (1968-04-06), highest 357.16 m (1968-09-06), average 355.87 m, 366 days measured1969: lowest 354.34 m (1969-04-13), highest 357.27 m (1969-08-31), average 356.03 m, 365 days measured1970: lowest 354.39 m (1970-04-25), highest 357.17 m (1970-11-04), average 356.08 m, 365 days measured1971: lowest 354.81 m (1971-04-16), highest 357.21 m (1971-11-27), average 356.17 m, 365 days measured1972: lowest 354.53 m (1972-04-26), highest 356.90 m (1972-01-01), average 355.61 m, 366 days measured1973: lowest 354.14 m (1973-04-01), highest 356.75 m (1973-10-16), average 355.58 m, 365 days measured1974: lowest 354.67 m (1974-04-20), highest 357.50 m (1974-06-29), average 356.24 m, 365 days measured1975: lowest 354.49 m (1975-04-22), highest 356.46 m (1975-08-26), average 355.76 m, 365 days measured1976: lowest 354.17 m (1976-12-31), highest 355.50 m (1976-01-01), average 354.91 m, 366 days measured1977: lowest 353.29 m (1977-04-01), highest 356.12 m (1977-10-11), average 354.77 m, 365 days measured1978: lowest 354.51 m (1978-04-26), highest 356.70 m (1978-07-27), average 355.76 m, 365 days measured1979: lowest 354.36 m (1979-04-19), highest 356.77 m (1979-09-18), average 355.79 m, 365 days measured1980: lowest 354.73 m (1980-04-19), highest 356.33 m (1980-01-01), average 355.44 m, 366 days measured1981: lowest 354.24 m (1981-03-27), highest 355.81 m (1981-08-09), average 355.04 m, 365 days measured1982: lowest 354.46 m (1982-03-29), highest 356.72 m (1982-08-27), average 355.75 m, 365 days measured1983: lowest 355.18 m (1983-12-31), highest 356.50 m (1983-08-20), average 355.82 m, 365 days measured1984: lowest 354.48 m (1984-04-03), highest 356.81 m (1984-08-09), average 355.77 m, 366 days measured1985: lowest 354.46 m (1985-04-11), highest 357.25 m (1985-07-04), average 356.13 m, 304 days measured1986: lowest 355.55 m (1986-03-11), highest 356.79 m (1986-08-10), average 356.56 m, 191 days measured1987: lowest 354.68 m (1987-04-15), highest 355.57 m (1987-01-21), average 355.24 m, 217 days measured1988: lowest 354.48 m (1988-03-24), highest 356.73 m (1988-09-29), average 355.76 m, 155 days measured1989: lowest 355.40 m (1989-04-18), highest 356.87 m (1989-07-06), average 356.21 m, 273 days measured1990: lowest 354.38 m (1990-04-12), highest 356.83 m (1990-07-20), average 355.65 m, 365 days measured1991: lowest 354.49 m (1991-04-03), highest 356.82 m (1991-09-26), average 355.80 m, 365 days measured1992: lowest 355.20 m (1992-04-18), highest 357.31 m (1992-09-22), average 356.42 m, 366 days measured1993: lowest 354.91 m (1993-04-22), highest 356.97 m (1993-09-27), average 355.94 m, 365 days measured1994: lowest 354.90 m (1994-05-08), highest 356.67 m (1994-11-22), average 355.77 m, 365 days measured1995: lowest 355.23 m (1995-04-20), highest 356.74 m (1995-07-29), average 356.09 m, 365 days measured1996: lowest 354.90 m (1996-04-18), highest 356.61 m (1996-07-31), average 355.64 m, 164 days measured1997: lowest 355.10 m (1997-04-19), highest 356.66 m (1997-01-01), average 356.14 m, 365 days measured1998: lowest 354.85 m (1998-04-10), highest 356.07 m (1998-11-11), average 355.57 m, 365 days measured1999: lowest 354.44 m (1999-03-27), highest 357.06 m (1999-10-22), average 355.83 m, 365 days measured2000: lowest 355.27 m (2000-04-25), highest 356.83 m (2000-08-13), average 356.18 m, 366 days measured2001: lowest 355.27 m (2001-04-11), highest 357.13 m (2001-06-30), average 356.25 m, 365 days measured2002: lowest 355.25 m (2002-04-13), highest 357.07 m (2002-07-03), average 356.05 m, 365 days measured2003: lowest 354.34 m (2003-04-08), highest 356.43 m (2003-11-03), average 355.28 m, 365 days measured2004: lowest 354.66 m (2004-04-05), highest 357.09 m (2004-09-24), average 356.15 m, 366 days measured2005: lowest 355.11 m (2005-04-08), highest 357.04 m (2005-07-13), average 356.23 m, 365 days measured2006: lowest 355.00 m (2006-04-10), highest 356.49 m (2006-07-09), average 355.93 m, 365 days measured2007: lowest 354.33 m (2007-04-13), highest 356.97 m (2007-11-01), average 355.83 m, 365 days measured2008: lowest 355.09 m (2008-04-15), highest 357.33 m (2008-07-21), average 356.27 m, 366 days measured2009: lowest 354.89 m (2009-04-16), highest 356.93 m (2009-08-28), average 356.14 m, 365 days measured2010: lowest 354.83 m (2010-04-14), highest 356.72 m (2010-08-16), average 355.88 m, 365 days measured2011: lowest 354.69 m (2011-04-10), highest 356.30 m (2011-09-04), average 355.71 m, 365 days measured2012: lowest 354.49 m (2012-03-17), highest 356.65 m (2012-07-17), average 355.72 m, 366 days measured2013: lowest 354.67 m (2013-04-14), highest 356.63 m (2013-07-23), average 355.89 m, 365 days measured2014: lowest 354.70 m (2014-04-18), highest 357.27 m (2014-07-02), average 356.05 m, 365 days measured2015: lowest 354.72 m (2015-04-09), highest 356.64 m (2015-09-09), average 355.93 m, 365 days measured2016: lowest 354.65 m (2016-04-15), highest 356.56 m (2016-10-08), average 355.92 m, 366 days measured2017: lowest 354.86 m (2017-04-08), highest 356.26 m (2017-10-05), average 355.84 m, 365 days measured2018: lowest 354.76 m (2018-04-20), highest 356.39 m (2018-12-02), average 355.71 m, 365 days measured2019: lowest 354.87 m (2019-04-16), highest 356.79 m (2019-10-24), average 356.00 m, 365 days measured2020: lowest 354.83 m (2020-04-23), highest 356.43 m (2020-01-01), average 355.83 m, 366 days measured2021: lowest 354.60 m (2021-04-02), highest 356.04 m (2021-11-22), average 355.34 m, 365 days measured2022: lowest 354.72 m (2022-03-19), highest 357.53 m (2022-06-04), average 356.01 m, 365 days measured2023: lowest 354.84 m (2023-04-02), highest 356.20 m (2023-10-06), average 355.69 m, 365 days measured2024: lowest 354.61 m (2024-04-07), highest 356.51 m (2024-08-09), average 355.70 m, 366 days measured2026: lowest 356.34 m (2026-10-20), highest 356.42 m (2026-10-04), average 356.39 m, 30 days measured
352353355356358192119471973199920261921: lowest 352.10 m (1921-03-16), highest 354.08 m (1921-06-10), average 353.00 m, 177 days measured1922: lowest 352.31 m (1922-11-27), highest 353.57 m (1922-06-03), average 352.81 m, 294 days measured1923: lowest 352.04 m (1923-04-14), highest 353.51 m (1923-06-01), average 352.90 m, 339 days measured1924: lowest 352.35 m (1924-04-24), highest 353.04 m (1924-06-28), average 352.67 m, 309 days measured1925: lowest 352.25 m (1925-03-30), highest 354.22 m (1925-07-07), average 353.04 m, 317 days measured1926: lowest 352.44 m (1926-04-10), highest 354.24 m (1926-10-19), average 353.28 m, 364 days measured1927: lowest 352.78 m (1927-04-03), highest 355.55 m (1927-07-10), average 353.83 m, 365 days measured1928: lowest 352.39 m (1928-04-21), highest 353.93 m (1928-09-14), average 353.20 m, 366 days measured1929: lowest 352.58 m (1929-04-05), highest 353.68 m (1929-07-17), average 353.07 m, 365 days measured1930: lowest 352.62 m (1930-03-23), highest 353.85 m (1930-09-01), average 353.22 m, 365 days measured1931: lowest 352.55 m (1931-03-20), highest 354.25 m (1931-08-10), average 353.45 m, 365 days measured1932: lowest 352.98 m (1932-04-18), highest 354.51 m (1932-06-03), average 353.67 m, 366 days measured1933: lowest 352.82 m (1933-04-17), highest 354.27 m (1933-06-10), average 353.61 m, 365 days measured1934: lowest 353.29 m (1934-04-27), highest 356.14 m (1934-07-07), average 354.64 m, 365 days measured1935: lowest 354.38 m (1935-04-09), highest 356.39 m (1935-11-06), average 355.53 m, 365 days measured1936: lowest 355.33 m (1936-04-27), highest 356.68 m (1936-08-01), average 356.07 m, 366 days measured1937: lowest 355.41 m (1937-04-16), highest 357.13 m (1937-07-14), average 356.40 m, 365 days measured1938: lowest 355.61 m (1938-04-15), highest 357.15 m (1938-08-26), average 356.42 m, 365 days measured1939: lowest 355.43 m (1939-04-20), highest 356.69 m (1939-09-05), average 356.10 m, 365 days measured1940: lowest 355.28 m (1940-12-31), highest 356.43 m (1940-07-17), average 356.04 m, 366 days measured1941: lowest 354.82 m (1941-04-05), highest 357.55 m (1941-10-19), average 355.85 m, 365 days measured1942: lowest 355.63 m (1942-03-20), highest 356.82 m (1942-10-23), average 356.22 m, 365 days measured1943: lowest 355.89 m (1943-04-21), highest 357.22 m (1943-09-11), average 356.60 m, 365 days measured1944: lowest 355.71 m (1944-04-16), highest 357.05 m (1944-09-02), average 356.50 m, 366 days measured1945: lowest 355.91 m (1945-03-24), highest 356.86 m (1945-09-28), average 356.50 m, 365 days measured1946: lowest 355.66 m (1946-03-27), highest 357.12 m (1946-07-29), average 356.62 m, 365 days measured1947: lowest 355.69 m (1947-04-28), highest 357.10 m (1947-09-11), average 356.56 m, 365 days measured1948: lowest 355.58 m (1948-04-17), highest 357.17 m (1948-08-21), average 356.41 m, 366 days measured1949: lowest 355.17 m (1949-04-11), highest 356.22 m (1949-11-15), average 355.86 m, 365 days measured1950: lowest 355.45 m (1950-04-30), highest 357.34 m (1950-07-18), average 356.53 m, 365 days measured1951: lowest 355.69 m (1951-04-25), highest 357.12 m (1951-08-03), average 356.67 m, 365 days measured1952: lowest 355.96 m (1952-12-31), highest 357.06 m (1952-07-30), average 356.56 m, 366 days measured1953: lowest 355.00 m (1953-05-09), highest 357.08 m (1953-11-03), average 356.11 m, 365 days measured1954: lowest 355.75 m (1954-04-20), highest 357.35 m (1954-06-17), average 356.60 m, 365 days measured1955: lowest 355.57 m (1955-04-08), highest 356.79 m (1955-07-23), average 356.18 m, 365 days measured1956: lowest 354.98 m (1956-05-03), highest 356.95 m (1956-07-25), average 356.07 m, 366 days measured1957: lowest 354.96 m (1957-04-18), highest 356.95 m (1957-08-03), average 356.06 m, 365 days measured1958: lowest 354.62 m (1958-04-27), highest 356.07 m (1958-11-27), average 355.31 m, 365 days measured1959: lowest 354.94 m (1959-04-12), highest 357.11 m (1959-07-18), average 356.10 m, 365 days measured1960: lowest 354.68 m (1960-04-18), highest 356.21 m (1960-07-30), average 355.57 m, 366 days measured1961: lowest 354.00 m (1961-04-14), highest 355.49 m (1961-08-12), average 354.89 m, 365 days measured1962: lowest 354.34 m (1962-03-27), highest 356.97 m (1962-08-24), average 355.67 m, 365 days measured1963: lowest 355.02 m (1963-04-15), highest 357.01 m (1963-08-14), average 356.09 m, 365 days measured1964: lowest 354.29 m (1964-04-11), highest 357.17 m (1964-10-08), average 355.96 m, 366 days measured1965: lowest 354.71 m (1965-04-25), highest 356.80 m (1965-07-27), average 356.01 m, 365 days measured1966: lowest 354.29 m (1966-04-23), highest 356.77 m (1966-07-23), average 355.63 m, 365 days measured1967: lowest 353.77 m (1967-04-08), highest 356.70 m (1967-08-29), average 355.37 m, 365 days measured1968: lowest 354.17 m (1968-04-06), highest 357.16 m (1968-09-06), average 355.87 m, 366 days measured1969: lowest 354.34 m (1969-04-13), highest 357.27 m (1969-08-31), average 356.03 m, 365 days measured1970: lowest 354.39 m (1970-04-25), highest 357.17 m (1970-11-04), average 356.08 m, 365 days measured1971: lowest 354.81 m (1971-04-16), highest 357.21 m (1971-11-27), average 356.17 m, 365 days measured1972: lowest 354.53 m (1972-04-26), highest 356.90 m (1972-01-01), average 355.61 m, 366 days measured1973: lowest 354.14 m (1973-04-01), highest 356.75 m (1973-10-16), average 355.58 m, 365 days measured1974: lowest 354.67 m (1974-04-20), highest 357.50 m (1974-06-29), average 356.24 m, 365 days measured1975: lowest 354.49 m (1975-04-22), highest 356.46 m (1975-08-26), average 355.76 m, 365 days measured1976: lowest 354.17 m (1976-12-31), highest 355.50 m (1976-01-01), average 354.91 m, 366 days measured1977: lowest 353.29 m (1977-04-01), highest 356.12 m (1977-10-11), average 354.77 m, 365 days measured1978: lowest 354.51 m (1978-04-26), highest 356.70 m (1978-07-27), average 355.76 m, 365 days measured1979: lowest 354.36 m (1979-04-19), highest 356.77 m (1979-09-18), average 355.79 m, 365 days measured1980: lowest 354.73 m (1980-04-19), highest 356.33 m (1980-01-01), average 355.44 m, 366 days measured1981: lowest 354.24 m (1981-03-27), highest 355.81 m (1981-08-09), average 355.04 m, 365 days measured1982: lowest 354.46 m (1982-03-29), highest 356.72 m (1982-08-27), average 355.75 m, 365 days measured1983: lowest 355.18 m (1983-12-31), highest 356.50 m (1983-08-20), average 355.82 m, 365 days measured1984: lowest 354.48 m (1984-04-03), highest 356.81 m (1984-08-09), average 355.77 m, 366 days measured1985: lowest 354.46 m (1985-04-11), highest 357.25 m (1985-07-04), average 356.13 m, 304 days measured1986: lowest 355.55 m (1986-03-11), highest 356.79 m (1986-08-10), average 356.56 m, 191 days measured1987: lowest 354.68 m (1987-04-15), highest 355.57 m (1987-01-21), average 355.24 m, 217 days measured1988: lowest 354.48 m (1988-03-24), highest 356.73 m (1988-09-29), average 355.76 m, 155 days measured1989: lowest 355.40 m (1989-04-18), highest 356.87 m (1989-07-06), average 356.21 m, 273 days measured1990: lowest 354.38 m (1990-04-12), highest 356.83 m (1990-07-20), average 355.65 m, 365 days measured1991: lowest 354.49 m (1991-04-03), highest 356.82 m (1991-09-26), average 355.80 m, 365 days measured1992: lowest 355.20 m (1992-04-18), highest 357.31 m (1992-09-22), average 356.42 m, 366 days measured1993: lowest 354.91 m (1993-04-22), highest 356.97 m (1993-09-27), average 355.94 m, 365 days measured1994: lowest 354.90 m (1994-05-08), highest 356.67 m (1994-11-22), average 355.77 m, 365 days measured1995: lowest 355.23 m (1995-04-20), highest 356.74 m (1995-07-29), average 356.09 m, 365 days measured1996: lowest 354.90 m (1996-04-18), highest 356.61 m (1996-07-31), average 355.64 m, 164 days measured1997: lowest 355.10 m (1997-04-19), highest 356.66 m (1997-01-01), average 356.14 m, 365 days measured1998: lowest 354.85 m (1998-04-10), highest 356.07 m (1998-11-11), average 355.57 m, 365 days measured1999: lowest 354.44 m (1999-03-27), highest 357.06 m (1999-10-22), average 355.83 m, 365 days measured2000: lowest 355.27 m (2000-04-25), highest 356.83 m (2000-08-13), average 356.18 m, 366 days measured2001: lowest 355.27 m (2001-04-11), highest 357.13 m (2001-06-30), average 356.25 m, 365 days measured2002: lowest 355.25 m (2002-04-13), highest 357.07 m (2002-07-03), average 356.05 m, 365 days measured2003: lowest 354.34 m (2003-04-08), highest 356.43 m (2003-11-03), average 355.28 m, 365 days measured2004: lowest 354.66 m (2004-04-05), highest 357.09 m (2004-09-24), average 356.15 m, 366 days measured2005: lowest 355.11 m (2005-04-08), highest 357.04 m (2005-07-13), average 356.23 m, 365 days measured2006: lowest 355.00 m (2006-04-10), highest 356.49 m (2006-07-09), average 355.93 m, 365 days measured2007: lowest 354.33 m (2007-04-13), highest 356.97 m (2007-11-01), average 355.83 m, 365 days measured2008: lowest 355.09 m (2008-04-15), highest 357.33 m (2008-07-21), average 356.27 m, 366 days measured2009: lowest 354.89 m (2009-04-16), highest 356.93 m (2009-08-28), average 356.14 m, 365 days measured2010: lowest 354.83 m (2010-04-14), highest 356.72 m (2010-08-16), average 355.88 m, 365 days measured2011: lowest 354.69 m (2011-04-10), highest 356.30 m (2011-09-04), average 355.71 m, 365 days measured2012: lowest 354.49 m (2012-03-17), highest 356.65 m (2012-07-17), average 355.72 m, 366 days measured2013: lowest 354.67 m (2013-04-14), highest 356.63 m (2013-07-23), average 355.89 m, 365 days measured2014: lowest 354.70 m (2014-04-18), highest 357.27 m (2014-07-02), average 356.05 m, 365 days measured2015: lowest 354.72 m (2015-04-09), highest 356.64 m (2015-09-09), average 355.93 m, 365 days measured2016: lowest 354.65 m (2016-04-15), highest 356.56 m (2016-10-08), average 355.92 m, 366 days measured2017: lowest 354.86 m (2017-04-08), highest 356.26 m (2017-10-05), average 355.84 m, 365 days measured2018: lowest 354.76 m (2018-04-20), highest 356.39 m (2018-12-02), average 355.71 m, 365 days measured2019: lowest 354.87 m (2019-04-16), highest 356.79 m (2019-10-24), average 356.00 m, 365 days measured2020: lowest 354.83 m (2020-04-23), highest 356.43 m (2020-01-01), average 355.83 m, 366 days measured2021: lowest 354.60 m (2021-04-02), highest 356.04 m (2021-11-22), average 355.34 m, 365 days measured2022: lowest 354.72 m (2022-03-19), highest 357.53 m (2022-06-04), average 356.01 m, 365 days measured2023: lowest 354.84 m (2023-04-02), highest 356.20 m (2023-10-06), average 355.69 m, 365 days measured2024: lowest 354.61 m (2024-04-07), highest 356.51 m (2024-08-09), average 355.70 m, 366 days measured2026: lowest 356.34 m (2026-10-20), highest 356.42 m (2026-10-04), average 356.39 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.

  • 1923352.035 m on Apr 14
  • 1928352.388 m on Apr 21
  • 1926352.440 m on Apr 10
  • 1931352.547 m on Mar 20
  • 1929352.577 m on Apr 5

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)356.386356.342Oct 20356.425Oct 4
2024355.699354.610Apr 7356.508Aug 9
2023355.693354.842Apr 2356.201Oct 6
2022356.013354.717Mar 19357.525Jun 4
2021355.339354.599Apr 2356.035Nov 22
2020355.834354.829Apr 23356.429Jan 1
2019355.999354.868Apr 16356.792Oct 24
2018355.708354.761Apr 20356.388Dec 2
2017355.838354.860Apr 8356.263Oct 5
2016355.916354.654Apr 15356.560Oct 8
2015355.931354.719Apr 9356.636Sep 9
2014356.052354.699Apr 18357.273Jul 2
2013355.892354.674Apr 14356.625Jul 23
2012355.717354.492Mar 17356.645Jul 17
2011355.709354.693Apr 10356.300Sep 4
2010355.881354.828Apr 14356.722Aug 16
2009356.141354.890Apr 16356.925Aug 28
2008356.269355.086Apr 15357.329Jul 21
2007355.828354.330Apr 13356.973Nov 1
2006355.932354.995Apr 10356.487Jul 9
2005356.234355.109Apr 8357.037Jul 13
2004356.146354.656Apr 5357.093Sep 24
2003355.282354.345Apr 8356.430Nov 3
2002356.051355.252Apr 13357.070Jul 3
2001356.255355.266Apr 11357.125Jun 30
2000356.181355.274Apr 25356.834Aug 13
1999355.829354.439Mar 27357.057Oct 22
1998355.572354.848Apr 10356.073Nov 11
1997356.138355.096Apr 19356.660Jan 1
1996 (164 days)355.643354.898Apr 18356.611Jul 31
1995356.086355.225Apr 20356.736Jul 29
1994355.766354.899May 8356.669Nov 22
1993355.936354.906Apr 22356.968Sep 27
1992356.423355.203Apr 18357.311Sep 22
1991355.802354.487Apr 3356.823Sep 26
1990355.653354.384Apr 12356.834Jul 20
1989 (273 days)356.207355.402Apr 18356.865Jul 6
1988 (155 days)355.758354.483Mar 24356.732Sep 29
1987 (217 days)355.244354.679Apr 15355.572Jan 21
1986 (191 days)356.556355.545Mar 11356.786Aug 10
1985 (304 days)356.127354.464Apr 11357.250Jul 4
1984355.772354.479Apr 3356.806Aug 9
1983355.823355.180Dec 31356.503Aug 20
1982355.747354.460Mar 29356.721Aug 27
1981355.040354.237Mar 27355.814Aug 9
1980355.441354.732Apr 19356.326Jan 1
1979355.786354.362Apr 19356.767Sep 18
1978355.758354.507Apr 26356.698Jul 27
1977354.769353.291Apr 1356.122Oct 11
1976354.915354.165Dec 31355.497Jan 1
1975355.758354.485Apr 22356.458Aug 26
1974356.242354.674Apr 20357.497Jun 29
1973355.576354.141Apr 1356.753Oct 16
1972355.612354.531Apr 26356.899Jan 1
1971356.171354.812Apr 16357.210Nov 27
1970356.079354.391Apr 25357.168Nov 4
1969356.034354.336Apr 13357.265Aug 31
1968355.871354.168Apr 6357.155Sep 6
1967355.371353.772Apr 8356.701Aug 29
1966355.634354.293Apr 23356.765Jul 23
1965356.014354.714Apr 25356.796Jul 27
1964355.959354.293Apr 11357.174Oct 8
1963356.092355.019Apr 15357.012Aug 14
1962355.673354.339Mar 27356.970Aug 24
1961354.892353.995Apr 14355.491Aug 12
1960355.570354.677Apr 18356.214Jul 30
1959356.097354.940Apr 12357.107Jul 18
1958355.306354.620Apr 27356.073Nov 27
1957356.064354.964Apr 18356.948Aug 3
1956356.070354.982May 3356.948Jul 25
1955356.176355.571Apr 8356.790Jul 23
1954356.600355.747Apr 20357.354Jun 17
1953356.105355.001May 9357.076Nov 3
1952356.557355.964Dec 31357.061Jul 30
1951356.669355.692Apr 25357.122Aug 3
1950356.527355.452Apr 30357.344Jul 18
1949355.861355.168Apr 11356.217Nov 15
1948356.405355.580Apr 17357.174Aug 21
1947356.558355.692Apr 28357.098Sep 11
1946356.618355.656Mar 27357.122Jul 29
1945356.501355.906Mar 24356.857Sep 28
1944356.501355.708Apr 16357.046Sep 2
1943356.599355.891Apr 21357.223Sep 11
1942356.219355.625Mar 20356.820Oct 23
1941355.847354.824Apr 5357.546Oct 19
1940356.037355.281Dec 31356.433Jul 17
1939356.104355.427Apr 20356.692Sep 5
1938356.416355.610Apr 15357.149Aug 26
1937356.397355.412Apr 16357.134Jul 14
1936356.070355.330Apr 27356.677Aug 1
1935355.534354.379Apr 9356.387Nov 6
1934354.639353.285Apr 27356.137Jul 7
1933353.608352.815Apr 17354.266Jun 10
1932353.665352.983Apr 18354.510Jun 3
1931353.449352.547Mar 20354.248Aug 10
1930353.225352.623Mar 23353.845Sep 1
1929353.068352.577Apr 5353.675Jul 17
1928353.199352.388Apr 21353.934Sep 14
1927353.830352.776Apr 3355.549Jul 10
1926353.284352.440Apr 10354.239Oct 19
1925 (317 days)353.038352.248Mar 30354.223Jul 7
1924 (309 days)352.666352.349Apr 24353.041Jun 28
1923352.901352.035Apr 14353.513Jun 1
1922 (294 days)352.805352.306Nov 27353.571Jun 3
1921 (177 days)353.003352.099Mar 16354.080Jun 10

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

Monthly averages

MonthAverageLowestHighest
January355.440352.288356.899
February355.117352.123356.650
March354.823352.056356.421
April354.661352.035356.278
May355.191352.455357.483
June355.828352.928357.525
July356.109352.894357.488
August356.120352.715357.265
September356.113352.596357.311
October356.047352.340357.546
November355.919352.306357.424
December355.718352.309357.189

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Daily levels as CSV (36,737 rows; credit the original agencies listed below)