Country: Canada
United StatesCanadaUnited Kingdom

Rainy Lake water level history

Daily records since 1911 · Level today: 337.381 m

Highest on record
339.306 m
Jun 9, 2022
Lowest on record
335.664 m
Apr 17, 1923
Today
337.381 m
Oct 23, 2026
Years of data
115
since 1911

In short

Across 113 complete years, 1924 had the lowest average level (336.096 m) and 1916 the highest (338.056 m).

On average the lake is lowest in April (336.883 m) and highest in July (337.637 m).

Rainy Lake level, all years

Loading chart…

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

Each year's lowest and highest level

3353363373393401911192519391953196719811995200920261911: lowest 336.42 m (1911-12-31), highest 336.88 m (1911-08-21), average 336.67 m, 133 days measured1912: lowest 335.70 m (1912-04-09), highest 337.72 m (1912-09-08), average 336.89 m, 358 days measured1913: lowest 336.27 m (1913-04-12), highest 338.05 m (1913-07-14), average 337.36 m, 348 days measured1914: lowest 336.51 m (1914-04-15), highest 338.06 m (1914-08-16), average 337.38 m, 360 days measured1915: lowest 335.82 m (1915-04-15), highest 337.92 m (1915-11-30), average 336.92 m, 332 days measured1916: lowest 337.25 m (1916-04-11), highest 339.09 m (1916-06-08), average 338.06 m, 356 days measured1917: lowest 335.97 m (1917-12-23), highest 337.94 m (1917-01-02), average 336.72 m, 362 days measured1918: lowest 335.80 m (1918-03-23), highest 337.37 m (1918-08-22), average 336.60 m, 365 days measured1919: lowest 336.35 m (1919-04-02), highest 338.01 m (1919-07-22), average 337.31 m, 365 days measured1920: lowest 336.79 m (1920-04-16), highest 338.03 m (1920-07-28), average 337.54 m, 366 days measured1921: lowest 336.87 m (1921-04-04), highest 337.91 m (1921-09-14), average 337.55 m, 365 days measured1922: lowest 336.72 m (1922-04-06), highest 337.69 m (1922-07-09), average 337.38 m, 365 days measured1923: lowest 335.66 m (1923-04-17), highest 337.02 m (1923-01-01), average 336.55 m, 365 days measured1924: lowest 335.71 m (1924-04-14), highest 336.82 m (1924-12-30), average 336.10 m, 366 days measured1925: lowest 336.83 m (1925-01-01), highest 337.79 m (1925-08-17), average 337.38 m, 365 days measured1926: lowest 336.82 m (1926-04-14), highest 338.08 m (1926-11-01), average 337.51 m, 365 days measured1927: lowest 337.39 m (1927-12-25), highest 338.44 m (1927-06-09), average 337.94 m, 365 days measured1928: lowest 336.23 m (1928-04-26), highest 338.02 m (1928-10-18), average 337.27 m, 366 days measured1929: lowest 336.06 m (1929-11-13), highest 337.90 m (1929-01-01), average 336.94 m, 365 days measured1930: lowest 335.67 m (1930-04-02), highest 336.76 m (1930-08-25), average 336.25 m, 365 days measured1931: lowest 336.50 m (1931-05-23), highest 336.81 m (1931-12-31), average 336.65 m, 365 days measured1932: lowest 336.47 m (1932-04-03), highest 337.83 m (1932-08-08), average 337.34 m, 366 days measured1933: lowest 336.73 m (1933-04-17), highest 337.69 m (1933-01-01), average 337.34 m, 365 days measured1934: lowest 336.94 m (1934-04-05), highest 337.87 m (1934-06-22), average 337.48 m, 365 days measured1935: lowest 336.72 m (1935-04-11), highest 337.97 m (1935-07-06), average 337.46 m, 365 days measured1936: lowest 336.60 m (1936-04-09), highest 337.49 m (1936-01-01), average 337.10 m, 366 days measured1937: lowest 336.44 m (1937-04-13), highest 337.86 m (1937-06-14), average 337.33 m, 365 days measured1938: lowest 337.13 m (1938-11-13), highest 338.26 m (1938-05-27), average 337.59 m, 365 days measured1939: lowest 336.62 m (1939-04-14), highest 337.73 m (1939-08-16), average 337.26 m, 365 days measured1940: lowest 336.52 m (1940-10-23), highest 337.28 m (1940-01-01), average 336.90 m, 366 days measured1941: lowest 336.53 m (1941-04-01), highest 338.60 m (1941-10-18), average 337.40 m, 365 days measured1942: lowest 337.34 m (1942-04-28), highest 337.86 m (1942-12-09), average 337.69 m, 365 days measured1943: lowest 337.07 m (1943-04-07), highest 338.05 m (1943-07-04), average 337.69 m, 365 days measured1944: lowest 337.23 m (1944-04-18), highest 338.12 m (1944-08-20), average 337.69 m, 366 days measured1945: lowest 337.48 m (1945-03-22), highest 337.87 m (1945-01-01), average 337.74 m, 365 days measured1946: lowest 337.30 m (1946-03-21), highest 337.92 m (1946-12-21), average 337.71 m, 365 days measured1947: lowest 336.98 m (1947-04-18), highest 337.94 m (1947-06-15), average 337.63 m, 365 days measured1948: lowest 337.02 m (1948-04-15), highest 337.86 m (1948-06-25), average 337.56 m, 366 days measured1949: lowest 337.13 m (1949-04-06), highest 337.88 m (1949-07-20), average 337.55 m, 365 days measured1950: lowest 336.73 m (1950-04-15), highest 339.23 m (1950-07-05), average 337.85 m, 365 days measured1951: lowest 336.69 m (1951-04-10), highest 337.86 m (1951-11-26), average 337.52 m, 365 days measured1952: lowest 336.65 m (1952-04-12), highest 337.95 m (1952-07-14), average 337.42 m, 366 days measured1953: lowest 336.84 m (1953-05-08), highest 337.87 m (1953-07-27), average 337.43 m, 365 days measured1954: lowest 336.63 m (1954-04-10), highest 338.19 m (1954-06-16), average 337.44 m, 364 days measured1955: lowest 336.83 m (1955-04-08), highest 337.87 m (1955-07-02), average 337.35 m, 365 days measured1956: lowest 336.79 m (1956-04-02), highest 337.85 m (1956-07-02), average 337.37 m, 366 days measured1957: lowest 336.65 m (1957-04-11), highest 337.92 m (1957-06-27), average 337.38 m, 365 days measured1958: lowest 336.56 m (1958-05-27), highest 337.37 m (1958-01-01), average 336.88 m, 365 days measured1959: lowest 336.83 m (1959-05-12), highest 337.79 m (1959-07-21), average 337.39 m, 365 days measured1960: lowest 336.76 m (1960-04-11), highest 337.83 m (1960-06-23), average 337.31 m, 366 days measured1961: lowest 336.90 m (1961-04-12), highest 337.84 m (1961-11-29), average 337.50 m, 365 days measured1962: lowest 336.84 m (1962-04-18), highest 337.89 m (1962-08-08), average 337.53 m, 365 days measured1963: lowest 336.86 m (1963-05-03), highest 337.81 m (1963-07-29), average 337.37 m, 365 days measured1964: lowest 336.51 m (1964-04-11), highest 338.09 m (1964-06-27), average 337.43 m, 366 days measured1965: lowest 336.79 m (1965-04-09), highest 337.83 m (1965-10-20), average 337.48 m, 365 days measured1966: lowest 336.98 m (1966-03-30), highest 338.16 m (1966-06-11), average 337.42 m, 363 days measured1967: lowest 336.68 m (1967-03-28), highest 337.80 m (1967-06-29), average 337.27 m, 365 days measured1968: lowest 336.83 m (1968-03-13), highest 338.36 m (1968-07-20), average 337.53 m, 366 days measured1969: lowest 336.56 m (1969-04-06), highest 337.84 m (1969-08-09), average 337.43 m, 365 days measured1970: lowest 336.45 m (1970-04-13), highest 338.00 m (1970-06-26), average 337.41 m, 365 days measured1971: lowest 336.80 m (1971-04-09), highest 337.93 m (1971-11-04), average 337.43 m, 362 days measured1972: lowest 336.50 m (1972-04-16), highest 337.83 m (1972-07-25), average 337.32 m, 366 days measured1973: lowest 336.90 m (1973-03-12), highest 337.72 m (1973-09-03), average 337.35 m, 365 days measured1974: lowest 336.68 m (1974-04-10), highest 338.20 m (1974-06-21), average 337.45 m, 365 days measured1975: lowest 336.66 m (1975-04-12), highest 337.71 m (1975-07-02), average 337.33 m, 365 days measured1976: lowest 336.78 m (1976-04-03), highest 337.74 m (1976-07-09), average 337.23 m, 366 days measured1977: lowest 336.74 m (1977-03-23), highest 337.98 m (1977-10-07), average 337.20 m, 365 days measured1978: lowest 336.67 m (1978-04-05), highest 337.80 m (1978-06-10), average 337.36 m, 365 days measured1979: lowest 336.69 m (1979-04-15), highest 337.70 m (1979-06-06), average 337.36 m, 365 days measured1980: lowest 336.70 m (1980-04-04), highest 337.61 m (1980-11-20), average 337.03 m, 366 days measured1981: lowest 336.81 m (1981-03-27), highest 337.72 m (1981-06-26), average 337.38 m, 365 days measured1982: lowest 336.67 m (1982-04-01), highest 337.77 m (1982-07-10), average 337.38 m, 365 days measured1983: lowest 336.86 m (1983-04-22), highest 337.79 m (1983-07-04), average 337.39 m, 365 days measured1984: lowest 336.74 m (1984-04-04), highest 337.81 m (1984-07-02), average 337.34 m, 366 days measured1985: lowest 336.75 m (1985-04-11), highest 338.02 m (1985-07-07), average 337.49 m, 365 days measured1986: lowest 336.76 m (1986-03-28), highest 337.78 m (1986-07-05), average 337.40 m, 365 days measured1987: lowest 336.65 m (1987-05-15), highest 337.73 m (1987-09-19), average 337.10 m, 365 days measured1988: lowest 336.88 m (1988-03-23), highest 337.84 m (1988-09-26), average 337.30 m, 366 days measured1989: lowest 336.82 m (1989-04-11), highest 337.80 m (1989-07-06), average 337.43 m, 365 days measured1990: lowest 336.99 m (1990-04-05), highest 337.75 m (1990-07-03), average 337.40 m, 365 days measured1991: lowest 336.97 m (1991-03-31), highest 337.68 m (1991-07-12), average 337.33 m, 365 days measured1992: lowest 336.90 m (1992-03-26), highest 337.82 m (1992-09-09), average 337.42 m, 366 days measured1993: lowest 336.76 m (1993-03-27), highest 337.78 m (1993-07-30), average 337.36 m, 365 days measured1994: lowest 336.72 m (1994-04-09), highest 337.78 m (1994-07-08), average 337.34 m, 365 days measured1995: lowest 336.81 m (1995-03-16), highest 337.75 m (1995-11-02), average 337.35 m, 365 days measured1996: lowest 336.87 m (1996-04-01), highest 338.09 m (1996-06-10), average 337.48 m, 366 days measured1997: lowest 336.82 m (1997-03-29), highest 337.65 m (1997-07-02), average 337.33 m, 365 days measured1998: lowest 336.48 m (1998-10-13), highest 337.23 m (1998-01-05), average 336.89 m, 365 days measured1999: lowest 336.95 m (1999-03-23), highest 337.75 m (1999-07-15), average 337.40 m, 365 days measured2000: lowest 337.00 m (2000-03-21), highest 337.72 m (2000-07-02), average 337.40 m, 366 days measured2001: lowest 336.87 m (2001-04-02), highest 338.25 m (2001-06-09), average 337.50 m, 365 days measured2002: lowest 336.84 m (2002-04-11), highest 338.58 m (2002-06-27), average 337.41 m, 365 days measured2003: lowest 336.58 m (2003-06-23), highest 337.40 m (2003-11-23), average 336.98 m, 365 days measured2004: lowest 336.86 m (2004-04-01), highest 337.66 m (2004-09-06), average 337.39 m, 366 days measured2005: lowest 336.85 m (2005-03-31), highest 337.96 m (2005-06-15), average 337.43 m, 365 days measured2006: lowest 336.79 m (2006-12-23), highest 337.63 m (2006-07-01), average 337.22 m, 365 days measured2007: lowest 336.76 m (2007-02-20), highest 337.65 m (2007-07-10), average 337.25 m, 365 days measured2008: lowest 336.83 m (2008-04-13), highest 338.10 m (2008-06-29), average 337.44 m, 366 days measured2009: lowest 336.91 m (2009-03-19), highest 337.87 m (2009-06-08), average 337.49 m, 312 days measured2010: lowest 336.90 m (2010-04-01), highest 337.72 m (2010-07-23), average 337.30 m, 365 days measured2011: lowest 336.84 m (2011-04-01), highest 337.67 m (2011-07-09), average 337.29 m, 365 days measured2012: lowest 336.88 m (2012-03-09), highest 337.71 m (2012-07-04), average 337.32 m, 366 days measured2013: lowest 336.78 m (2013-04-09), highest 337.95 m (2013-06-13), average 337.40 m, 346 days measured2014: lowest 336.75 m (2014-03-31), highest 338.74 m (2014-07-01), average 337.53 m, 333 days measured2015: lowest 336.88 m (2015-04-13), highest 337.66 m (2015-09-06), average 337.35 m, 339 days measured2016: lowest 336.93 m (2016-03-14), highest 337.69 m (2016-06-27), average 337.38 m, 366 days measured2017: lowest 336.88 m (2017-03-28), highest 337.68 m (2017-07-12), average 337.41 m, 365 days measured2018: lowest 336.78 m (2018-04-03), highest 337.67 m (2018-07-04), average 337.28 m, 347 days measured2019: lowest 336.83 m (2019-04-06), highest 337.69 m (2019-07-18), average 337.30 m, 365 days measured2020: lowest 336.87 m (2020-04-01), highest 337.61 m (2020-07-18), average 337.26 m, 366 days measured2021: lowest 336.95 m (2021-04-06), highest 337.51 m (2021-07-01), average 337.22 m, 365 days measured2022: lowest 336.97 m (2022-04-04), highest 339.31 m (2022-06-09), average 337.61 m, 365 days measured2023: lowest 336.78 m (2023-04-10), highest 337.69 m (2023-06-02), average 337.30 m, 365 days measured2024: lowest 337.07 m (2024-03-12), highest 337.83 m (2024-07-16), average 337.37 m, 366 days measured2025: lowest 336.97 m (2025-04-11), highest 337.68 m (2025-07-15), average 337.28 m, 365 days measured2026: lowest 337.38 m (2026-10-21), highest 337.47 m (2026-09-22), average 337.43 m, 30 days measured
335336337339340191119401969199820261911: lowest 336.42 m (1911-12-31), highest 336.88 m (1911-08-21), average 336.67 m, 133 days measured1912: lowest 335.70 m (1912-04-09), highest 337.72 m (1912-09-08), average 336.89 m, 358 days measured1913: lowest 336.27 m (1913-04-12), highest 338.05 m (1913-07-14), average 337.36 m, 348 days measured1914: lowest 336.51 m (1914-04-15), highest 338.06 m (1914-08-16), average 337.38 m, 360 days measured1915: lowest 335.82 m (1915-04-15), highest 337.92 m (1915-11-30), average 336.92 m, 332 days measured1916: lowest 337.25 m (1916-04-11), highest 339.09 m (1916-06-08), average 338.06 m, 356 days measured1917: lowest 335.97 m (1917-12-23), highest 337.94 m (1917-01-02), average 336.72 m, 362 days measured1918: lowest 335.80 m (1918-03-23), highest 337.37 m (1918-08-22), average 336.60 m, 365 days measured1919: lowest 336.35 m (1919-04-02), highest 338.01 m (1919-07-22), average 337.31 m, 365 days measured1920: lowest 336.79 m (1920-04-16), highest 338.03 m (1920-07-28), average 337.54 m, 366 days measured1921: lowest 336.87 m (1921-04-04), highest 337.91 m (1921-09-14), average 337.55 m, 365 days measured1922: lowest 336.72 m (1922-04-06), highest 337.69 m (1922-07-09), average 337.38 m, 365 days measured1923: lowest 335.66 m (1923-04-17), highest 337.02 m (1923-01-01), average 336.55 m, 365 days measured1924: lowest 335.71 m (1924-04-14), highest 336.82 m (1924-12-30), average 336.10 m, 366 days measured1925: lowest 336.83 m (1925-01-01), highest 337.79 m (1925-08-17), average 337.38 m, 365 days measured1926: lowest 336.82 m (1926-04-14), highest 338.08 m (1926-11-01), average 337.51 m, 365 days measured1927: lowest 337.39 m (1927-12-25), highest 338.44 m (1927-06-09), average 337.94 m, 365 days measured1928: lowest 336.23 m (1928-04-26), highest 338.02 m (1928-10-18), average 337.27 m, 366 days measured1929: lowest 336.06 m (1929-11-13), highest 337.90 m (1929-01-01), average 336.94 m, 365 days measured1930: lowest 335.67 m (1930-04-02), highest 336.76 m (1930-08-25), average 336.25 m, 365 days measured1931: lowest 336.50 m (1931-05-23), highest 336.81 m (1931-12-31), average 336.65 m, 365 days measured1932: lowest 336.47 m (1932-04-03), highest 337.83 m (1932-08-08), average 337.34 m, 366 days measured1933: lowest 336.73 m (1933-04-17), highest 337.69 m (1933-01-01), average 337.34 m, 365 days measured1934: lowest 336.94 m (1934-04-05), highest 337.87 m (1934-06-22), average 337.48 m, 365 days measured1935: lowest 336.72 m (1935-04-11), highest 337.97 m (1935-07-06), average 337.46 m, 365 days measured1936: lowest 336.60 m (1936-04-09), highest 337.49 m (1936-01-01), average 337.10 m, 366 days measured1937: lowest 336.44 m (1937-04-13), highest 337.86 m (1937-06-14), average 337.33 m, 365 days measured1938: lowest 337.13 m (1938-11-13), highest 338.26 m (1938-05-27), average 337.59 m, 365 days measured1939: lowest 336.62 m (1939-04-14), highest 337.73 m (1939-08-16), average 337.26 m, 365 days measured1940: lowest 336.52 m (1940-10-23), highest 337.28 m (1940-01-01), average 336.90 m, 366 days measured1941: lowest 336.53 m (1941-04-01), highest 338.60 m (1941-10-18), average 337.40 m, 365 days measured1942: lowest 337.34 m (1942-04-28), highest 337.86 m (1942-12-09), average 337.69 m, 365 days measured1943: lowest 337.07 m (1943-04-07), highest 338.05 m (1943-07-04), average 337.69 m, 365 days measured1944: lowest 337.23 m (1944-04-18), highest 338.12 m (1944-08-20), average 337.69 m, 366 days measured1945: lowest 337.48 m (1945-03-22), highest 337.87 m (1945-01-01), average 337.74 m, 365 days measured1946: lowest 337.30 m (1946-03-21), highest 337.92 m (1946-12-21), average 337.71 m, 365 days measured1947: lowest 336.98 m (1947-04-18), highest 337.94 m (1947-06-15), average 337.63 m, 365 days measured1948: lowest 337.02 m (1948-04-15), highest 337.86 m (1948-06-25), average 337.56 m, 366 days measured1949: lowest 337.13 m (1949-04-06), highest 337.88 m (1949-07-20), average 337.55 m, 365 days measured1950: lowest 336.73 m (1950-04-15), highest 339.23 m (1950-07-05), average 337.85 m, 365 days measured1951: lowest 336.69 m (1951-04-10), highest 337.86 m (1951-11-26), average 337.52 m, 365 days measured1952: lowest 336.65 m (1952-04-12), highest 337.95 m (1952-07-14), average 337.42 m, 366 days measured1953: lowest 336.84 m (1953-05-08), highest 337.87 m (1953-07-27), average 337.43 m, 365 days measured1954: lowest 336.63 m (1954-04-10), highest 338.19 m (1954-06-16), average 337.44 m, 364 days measured1955: lowest 336.83 m (1955-04-08), highest 337.87 m (1955-07-02), average 337.35 m, 365 days measured1956: lowest 336.79 m (1956-04-02), highest 337.85 m (1956-07-02), average 337.37 m, 366 days measured1957: lowest 336.65 m (1957-04-11), highest 337.92 m (1957-06-27), average 337.38 m, 365 days measured1958: lowest 336.56 m (1958-05-27), highest 337.37 m (1958-01-01), average 336.88 m, 365 days measured1959: lowest 336.83 m (1959-05-12), highest 337.79 m (1959-07-21), average 337.39 m, 365 days measured1960: lowest 336.76 m (1960-04-11), highest 337.83 m (1960-06-23), average 337.31 m, 366 days measured1961: lowest 336.90 m (1961-04-12), highest 337.84 m (1961-11-29), average 337.50 m, 365 days measured1962: lowest 336.84 m (1962-04-18), highest 337.89 m (1962-08-08), average 337.53 m, 365 days measured1963: lowest 336.86 m (1963-05-03), highest 337.81 m (1963-07-29), average 337.37 m, 365 days measured1964: lowest 336.51 m (1964-04-11), highest 338.09 m (1964-06-27), average 337.43 m, 366 days measured1965: lowest 336.79 m (1965-04-09), highest 337.83 m (1965-10-20), average 337.48 m, 365 days measured1966: lowest 336.98 m (1966-03-30), highest 338.16 m (1966-06-11), average 337.42 m, 363 days measured1967: lowest 336.68 m (1967-03-28), highest 337.80 m (1967-06-29), average 337.27 m, 365 days measured1968: lowest 336.83 m (1968-03-13), highest 338.36 m (1968-07-20), average 337.53 m, 366 days measured1969: lowest 336.56 m (1969-04-06), highest 337.84 m (1969-08-09), average 337.43 m, 365 days measured1970: lowest 336.45 m (1970-04-13), highest 338.00 m (1970-06-26), average 337.41 m, 365 days measured1971: lowest 336.80 m (1971-04-09), highest 337.93 m (1971-11-04), average 337.43 m, 362 days measured1972: lowest 336.50 m (1972-04-16), highest 337.83 m (1972-07-25), average 337.32 m, 366 days measured1973: lowest 336.90 m (1973-03-12), highest 337.72 m (1973-09-03), average 337.35 m, 365 days measured1974: lowest 336.68 m (1974-04-10), highest 338.20 m (1974-06-21), average 337.45 m, 365 days measured1975: lowest 336.66 m (1975-04-12), highest 337.71 m (1975-07-02), average 337.33 m, 365 days measured1976: lowest 336.78 m (1976-04-03), highest 337.74 m (1976-07-09), average 337.23 m, 366 days measured1977: lowest 336.74 m (1977-03-23), highest 337.98 m (1977-10-07), average 337.20 m, 365 days measured1978: lowest 336.67 m (1978-04-05), highest 337.80 m (1978-06-10), average 337.36 m, 365 days measured1979: lowest 336.69 m (1979-04-15), highest 337.70 m (1979-06-06), average 337.36 m, 365 days measured1980: lowest 336.70 m (1980-04-04), highest 337.61 m (1980-11-20), average 337.03 m, 366 days measured1981: lowest 336.81 m (1981-03-27), highest 337.72 m (1981-06-26), average 337.38 m, 365 days measured1982: lowest 336.67 m (1982-04-01), highest 337.77 m (1982-07-10), average 337.38 m, 365 days measured1983: lowest 336.86 m (1983-04-22), highest 337.79 m (1983-07-04), average 337.39 m, 365 days measured1984: lowest 336.74 m (1984-04-04), highest 337.81 m (1984-07-02), average 337.34 m, 366 days measured1985: lowest 336.75 m (1985-04-11), highest 338.02 m (1985-07-07), average 337.49 m, 365 days measured1986: lowest 336.76 m (1986-03-28), highest 337.78 m (1986-07-05), average 337.40 m, 365 days measured1987: lowest 336.65 m (1987-05-15), highest 337.73 m (1987-09-19), average 337.10 m, 365 days measured1988: lowest 336.88 m (1988-03-23), highest 337.84 m (1988-09-26), average 337.30 m, 366 days measured1989: lowest 336.82 m (1989-04-11), highest 337.80 m (1989-07-06), average 337.43 m, 365 days measured1990: lowest 336.99 m (1990-04-05), highest 337.75 m (1990-07-03), average 337.40 m, 365 days measured1991: lowest 336.97 m (1991-03-31), highest 337.68 m (1991-07-12), average 337.33 m, 365 days measured1992: lowest 336.90 m (1992-03-26), highest 337.82 m (1992-09-09), average 337.42 m, 366 days measured1993: lowest 336.76 m (1993-03-27), highest 337.78 m (1993-07-30), average 337.36 m, 365 days measured1994: lowest 336.72 m (1994-04-09), highest 337.78 m (1994-07-08), average 337.34 m, 365 days measured1995: lowest 336.81 m (1995-03-16), highest 337.75 m (1995-11-02), average 337.35 m, 365 days measured1996: lowest 336.87 m (1996-04-01), highest 338.09 m (1996-06-10), average 337.48 m, 366 days measured1997: lowest 336.82 m (1997-03-29), highest 337.65 m (1997-07-02), average 337.33 m, 365 days measured1998: lowest 336.48 m (1998-10-13), highest 337.23 m (1998-01-05), average 336.89 m, 365 days measured1999: lowest 336.95 m (1999-03-23), highest 337.75 m (1999-07-15), average 337.40 m, 365 days measured2000: lowest 337.00 m (2000-03-21), highest 337.72 m (2000-07-02), average 337.40 m, 366 days measured2001: lowest 336.87 m (2001-04-02), highest 338.25 m (2001-06-09), average 337.50 m, 365 days measured2002: lowest 336.84 m (2002-04-11), highest 338.58 m (2002-06-27), average 337.41 m, 365 days measured2003: lowest 336.58 m (2003-06-23), highest 337.40 m (2003-11-23), average 336.98 m, 365 days measured2004: lowest 336.86 m (2004-04-01), highest 337.66 m (2004-09-06), average 337.39 m, 366 days measured2005: lowest 336.85 m (2005-03-31), highest 337.96 m (2005-06-15), average 337.43 m, 365 days measured2006: lowest 336.79 m (2006-12-23), highest 337.63 m (2006-07-01), average 337.22 m, 365 days measured2007: lowest 336.76 m (2007-02-20), highest 337.65 m (2007-07-10), average 337.25 m, 365 days measured2008: lowest 336.83 m (2008-04-13), highest 338.10 m (2008-06-29), average 337.44 m, 366 days measured2009: lowest 336.91 m (2009-03-19), highest 337.87 m (2009-06-08), average 337.49 m, 312 days measured2010: lowest 336.90 m (2010-04-01), highest 337.72 m (2010-07-23), average 337.30 m, 365 days measured2011: lowest 336.84 m (2011-04-01), highest 337.67 m (2011-07-09), average 337.29 m, 365 days measured2012: lowest 336.88 m (2012-03-09), highest 337.71 m (2012-07-04), average 337.32 m, 366 days measured2013: lowest 336.78 m (2013-04-09), highest 337.95 m (2013-06-13), average 337.40 m, 346 days measured2014: lowest 336.75 m (2014-03-31), highest 338.74 m (2014-07-01), average 337.53 m, 333 days measured2015: lowest 336.88 m (2015-04-13), highest 337.66 m (2015-09-06), average 337.35 m, 339 days measured2016: lowest 336.93 m (2016-03-14), highest 337.69 m (2016-06-27), average 337.38 m, 366 days measured2017: lowest 336.88 m (2017-03-28), highest 337.68 m (2017-07-12), average 337.41 m, 365 days measured2018: lowest 336.78 m (2018-04-03), highest 337.67 m (2018-07-04), average 337.28 m, 347 days measured2019: lowest 336.83 m (2019-04-06), highest 337.69 m (2019-07-18), average 337.30 m, 365 days measured2020: lowest 336.87 m (2020-04-01), highest 337.61 m (2020-07-18), average 337.26 m, 366 days measured2021: lowest 336.95 m (2021-04-06), highest 337.51 m (2021-07-01), average 337.22 m, 365 days measured2022: lowest 336.97 m (2022-04-04), highest 339.31 m (2022-06-09), average 337.61 m, 365 days measured2023: lowest 336.78 m (2023-04-10), highest 337.69 m (2023-06-02), average 337.30 m, 365 days measured2024: lowest 337.07 m (2024-03-12), highest 337.83 m (2024-07-16), average 337.37 m, 366 days measured2025: lowest 336.97 m (2025-04-11), highest 337.68 m (2025-07-15), average 337.28 m, 365 days measured2026: lowest 337.38 m (2026-10-21), highest 337.47 m (2026-09-22), average 337.43 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.

  • 1923335.664 m on Apr 17
  • 1930335.670 m on Apr 2
  • 1912335.695 m on Apr 9
  • 1924335.710 m on Apr 14
  • 1918335.801 m on Mar 23

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)337.430337.381Oct 21337.472Sep 22
2025337.280336.966Apr 11337.676Jul 15
2024337.372337.069Mar 12337.825Jul 16
2023337.301336.779Apr 10337.690Jun 2
2022337.610336.967Apr 4339.306Jun 9
2021337.217336.945Apr 6337.509Jul 1
2020337.259336.866Apr 1337.610Jul 18
2019337.304336.828Apr 6337.689Jul 18
2018337.276336.780Apr 3337.672Jul 4
2017337.406336.879Mar 28337.684Jul 12
2016337.384336.933Mar 14337.689Jun 27
2015337.353336.880Apr 13337.659Sep 6
2014337.526336.753Mar 31338.745Jul 1
2013337.403336.781Apr 9337.952Jun 13
2012337.322336.882Mar 9337.712Jul 4
2011337.294336.836Apr 1337.666Jul 9
2010337.301336.897Apr 1337.723Jul 23
2009 (312 days)337.489336.910Mar 19337.869Jun 8
2008337.439336.830Apr 13338.097Jun 29
2007337.247336.763Feb 20337.653Jul 10
2006337.222336.787Dec 23337.630Jul 1
2005337.431336.848Mar 31337.955Jun 15
2004337.388336.864Apr 1337.655Sep 6
2003336.983336.582Jun 23337.398Nov 23
2002337.411336.837Apr 11338.576Jun 27
2001337.500336.869Apr 2338.245Jun 9
2000337.403336.998Mar 21337.722Jul 2
1999337.403336.952Mar 23337.747Jul 15
1998336.891336.483Oct 13337.225Jan 5
1997337.329336.816Mar 29337.651Jul 2
1996337.482336.866Apr 1338.088Jun 10
1995337.353336.813Mar 16337.751Nov 2
1994337.336336.719Apr 9337.777Jul 8
1993337.361336.762Mar 27337.779Jul 30
1992337.422336.902Mar 26337.819Sep 9
1991337.330336.965Mar 31337.677Jul 12
1990337.402336.989Apr 5337.746Jul 3
1989337.435336.816Apr 11337.797Jul 6
1988337.295336.880Mar 23337.843Sep 26
1987337.098336.654May 15337.726Sep 19
1986337.401336.759Mar 28337.779Jul 5
1985337.490336.751Apr 11338.024Jul 7
1984337.343336.742Apr 4337.814Jul 2
1983337.386336.862Apr 22337.794Jul 4
1982337.381336.671Apr 1337.767Jul 10
1981337.377336.814Mar 27337.723Jun 26
1980337.026336.703Apr 4337.606Nov 20
1979337.357336.691Apr 15337.700Jun 6
1978337.355336.670Apr 5337.798Jun 10
1977337.203336.740Mar 23337.977Oct 7
1976337.229336.777Apr 3337.737Jul 9
1975337.332336.661Apr 12337.706Jul 2
1974337.446336.682Apr 10338.197Jun 21
1973337.348336.902Mar 12337.724Sep 3
1972337.321336.499Apr 16337.828Jul 25
1971337.427336.795Apr 9337.926Nov 4
1970337.409336.447Apr 13338.002Jun 26
1969337.433336.560Apr 6337.840Aug 9
1968337.526336.834Mar 13338.362Jul 20
1967337.273336.679Mar 28337.801Jun 29
1966337.423336.978Mar 30338.157Jun 11
1965337.477336.786Apr 9337.825Oct 20
1964337.426336.508Apr 11338.087Jun 27
1963337.368336.862May 3337.813Jul 29
1962337.535336.844Apr 18337.886Aug 8
1961337.503336.902Apr 12337.837Nov 29
1960337.314336.761Apr 11337.834Jun 23
1959337.392336.831May 12337.789Jul 21
1958336.884336.563May 27337.374Jan 1
1957337.381336.646Apr 11337.917Jun 27
1956337.370336.786Apr 2337.846Jul 2
1955337.355336.831Apr 8337.868Jul 2
1954337.438336.630Apr 10338.185Jun 16
1953337.425336.838May 8337.871Jul 27
1952337.423336.646Apr 12337.953Jul 14
1951337.521336.685Apr 10337.859Nov 26
1950337.846336.731Apr 15339.233Jul 5
1949337.551337.133Apr 6337.877Jul 20
1948337.559337.017Apr 15337.862Jun 25
1947337.633336.984Apr 18337.938Jun 15
1946337.708337.298Mar 21337.923Dec 21
1945337.737337.478Mar 22337.868Jan 1
1944337.692337.234Apr 18338.118Aug 20
1943337.693337.066Apr 7338.051Jul 4
1942337.694337.340Apr 28337.862Dec 9
1941337.403336.530Apr 1338.602Oct 18
1940336.900336.517Oct 23337.279Jan 1
1939337.264336.624Apr 14337.731Aug 16
1938337.590337.127Nov 13338.255May 27
1937337.333336.438Apr 13337.859Jun 14
1936337.095336.600Apr 9337.493Jan 1
1935337.462336.716Apr 11337.965Jul 6
1934337.480336.935Apr 5337.874Jun 22
1933337.343336.734Apr 17337.691Jan 1
1932337.340336.472Apr 3337.828Aug 8
1931336.648336.502May 23336.807Dec 31
1930336.255335.670Apr 2336.761Aug 25
1929336.936336.060Nov 13337.895Jan 1
1928337.271336.228Apr 26338.017Oct 18
1927337.936337.386Dec 25338.438Jun 9
1926337.511336.819Apr 14338.081Nov 1
1925337.376336.828Jan 1337.795Aug 17
1924336.096335.710Apr 14336.822Dec 30
1923336.550335.664Apr 17337.020Jan 1
1922337.381336.716Apr 6337.694Jul 9
1921337.553336.868Apr 4337.913Sep 14
1920337.545336.786Apr 16338.026Jul 28
1919337.311336.350Apr 2338.011Jul 22
1918336.605335.801Mar 23337.371Aug 22
1917336.724335.966Dec 23337.941Jan 2
1916338.056337.249Apr 11339.093Jun 8
1915336.924335.816Apr 15337.920Nov 30
1914337.385336.514Apr 15338.057Aug 16
1913337.359336.271Apr 12338.048Jul 14
1912336.889335.695Apr 9337.724Sep 8
1911 (133 days)336.674336.423Dec 31336.880Aug 21

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

Monthly averages

MonthAverageLowestHighest
January337.263335.908337.996
February337.094335.816337.895
March336.901335.691337.789
April336.883335.664338.026
May337.270335.713339.149
June337.574335.954339.306
July337.637336.045339.233
August337.577336.045338.730
September337.507336.015338.191
October337.457335.984338.602
November337.429336.015338.398
December337.373335.966338.057

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Daily levels as CSV (41,572 rows; credit the original agencies listed below)