Country: Canada
United StatesCanadaUnited Kingdom

Lake Manitoba at Steep Rock water level history

Daily records since 1923 · Level today: 247.690 m

Highest on record
249.105 m
Jul 21, 2011
Lowest on record
246.811 m
Nov 12, 2021
Today
247.690 m
Oct 23, 2026
Years of data
103
since 1923

In short

Across 100 complete years, 1943 had the lowest average level (247.058 m) and 1955 the highest (248.425 m).

On average the lake is lowest in November (247.443 m) and highest in June (247.608 m).

Lake Manitoba at Steep Rock level, all years

Loading chart…

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

Each year's lowest and highest level

246.7247.3248.0248.6249.21923193619491962197519882001201420261923: lowest 247.98 m (1923-10-25), highest 248.24 m (1923-09-04), average 248.07 m, 130 days measured1924: lowest 247.75 m (1924-09-27), highest 248.21 m (1924-06-20), average 247.98 m, 362 days measured1925: lowest 247.80 m (1925-03-07), highest 248.20 m (1925-06-30), average 247.93 m, 363 days measured1926: lowest 247.58 m (1926-09-23), highest 247.91 m (1926-05-26), average 247.77 m, 365 days measured1927: lowest 247.61 m (1927-03-15), highest 248.03 m (1927-07-08), average 247.81 m, 365 days measured1928: lowest 247.60 m (1928-10-11), highest 247.99 m (1928-07-02), average 247.81 m, 366 days measured1929: lowest 247.29 m (1929-09-17), highest 247.84 m (1929-06-18), average 247.55 m, 365 days measured1930: lowest 247.20 m (1930-09-29), highest 247.63 m (1930-06-13), average 247.37 m, 365 days measured1931: lowest 247.05 m (1931-09-10), highest 247.35 m (1931-04-15), average 247.22 m, 347 days measured1932: lowest 246.90 m (1932-10-20), highest 247.39 m (1932-05-24), average 247.16 m, 366 days measured1933: lowest 246.96 m (1933-10-27), highest 247.32 m (1933-07-09), average 247.11 m, 365 days measured1934: lowest 247.05 m (1934-08-31), highest 247.34 m (1934-12-13), average 247.18 m, 365 days measured1935: lowest 247.28 m (1935-01-01), highest 247.84 m (1935-07-11), average 247.55 m, 365 days measured1936: lowest 247.45 m (1936-10-30), highest 247.84 m (1936-06-30), average 247.66 m, 366 days measured1937: lowest 247.29 m (1937-11-15), highest 247.81 m (1937-06-19), average 247.57 m, 365 days measured1938: lowest 247.23 m (1938-10-21), highest 247.63 m (1938-05-13), average 247.47 m, 365 days measured1939: lowest 247.08 m (1939-11-01), highest 247.54 m (1939-07-21), average 247.29 m, 365 days measured1940: lowest 246.94 m (1940-09-28), highest 247.26 m (1940-05-31), average 247.13 m, 366 days measured1941: lowest 246.94 m (1941-11-10), highest 247.26 m (1941-06-20), average 247.10 m, 365 days measured1942: lowest 246.90 m (1942-10-24), highest 247.29 m (1942-05-28), average 247.08 m, 365 days measured1943: lowest 246.86 m (1943-10-14), highest 247.25 m (1943-06-11), average 247.06 m, 365 days measured1944: lowest 246.86 m (1944-11-02), highest 247.25 m (1944-07-05), average 247.08 m, 366 days measured1945: lowest 247.03 m (1945-11-09), highest 247.40 m (1945-10-29), average 247.16 m, 365 days measured1946: lowest 247.05 m (1946-09-06), highest 247.36 m (1946-07-22), average 247.21 m, 365 days measured1947: lowest 247.18 m (1947-06-10), highest 247.60 m (1947-07-09), average 247.40 m, 365 days measured1948: lowest 247.51 m (1948-01-09), highest 247.95 m (1948-09-23), average 247.71 m, 366 days measured1949: lowest 247.46 m (1949-10-19), highest 247.97 m (1949-06-29), average 247.74 m, 365 days measured1950: lowest 247.45 m (1950-11-09), highest 247.91 m (1950-08-06), average 247.67 m, 365 days measured1951: lowest 247.43 m (1951-09-27), highest 247.71 m (1951-05-29), average 247.58 m, 365 days measured1952: lowest 247.31 m (1952-10-06), highest 247.68 m (1952-07-06), average 247.54 m, 366 days measured1953: lowest 247.39 m (1953-05-11), highest 248.09 m (1953-11-08), average 247.76 m, 365 days measured1954: lowest 247.92 m (1954-01-02), highest 248.48 m (1954-10-21), average 248.20 m, 365 days measured1955: lowest 248.19 m (1955-11-08), highest 248.79 m (1955-07-08), average 248.42 m, 365 days measured1956: lowest 248.02 m (1956-10-09), highest 248.41 m (1956-06-07), average 248.20 m, 366 days measured1957: lowest 247.74 m (1957-11-23), highest 248.14 m (1957-07-24), average 247.98 m, 363 days measured1958: lowest 247.28 m (1958-11-18), highest 247.82 m (1958-01-05), average 247.64 m, 365 days measured1959: lowest 247.37 m (1959-10-10), highest 247.76 m (1959-06-11), average 247.59 m, 365 days measured1960: lowest 247.40 m (1960-11-09), highest 247.84 m (1960-06-27), average 247.63 m, 366 days measured1961: lowest 247.19 m (1961-12-01), highest 247.72 m (1961-05-22), average 247.48 m, 365 days measured1962: lowest 247.26 m (1962-10-24), highest 247.59 m (1962-06-13), average 247.40 m, 365 days measured1963: lowest 247.20 m (1963-11-13), highest 247.75 m (1963-06-23), average 247.44 m, 365 days measured1964: lowest 247.00 m (1964-11-20), highest 247.46 m (1964-05-14), average 247.26 m, 366 days measured1965: lowest 247.12 m (1965-01-01), highest 247.44 m (1965-06-19), average 247.25 m, 365 days measured1966: lowest 247.33 m (1966-11-01), highest 247.65 m (1966-06-11), average 247.47 m, 365 days measured1967: lowest 247.36 m (1967-09-25), highest 247.80 m (1967-06-03), average 247.59 m, 365 days measured1968: lowest 247.36 m (1968-05-18), highest 247.64 m (1968-06-01), average 247.50 m, 365 days measured1969: lowest 247.27 m (1969-11-14), highest 247.52 m (1969-07-09), average 247.42 m, 365 days measured1970: lowest 247.29 m (1970-10-06), highest 247.77 m (1970-07-01), average 247.52 m, 358 days measured1971: lowest 247.35 m (1971-10-02), highest 247.69 m (1971-05-09), average 247.55 m, 365 days measured1972: lowest 247.38 m (1972-09-24), highest 247.69 m (1972-05-23), average 247.51 m, 336 days measured1973: lowest 247.43 m (1973-11-04), highest 247.72 m (1973-07-02), average 247.52 m, 360 days measured1974: lowest 247.33 m (1974-11-14), highest 247.93 m (1974-06-06), average 247.57 m, 365 days measured1975: lowest 247.40 m (1975-01-01), highest 247.77 m (1975-06-28), average 247.52 m, 365 days measured1976: lowest 247.28 m (1976-09-22), highest 247.89 m (1976-05-26), average 247.53 m, 342 days measured1977: lowest 247.37 m (1977-11-20), highest 247.74 m (1977-05-28), average 247.52 m, 365 days measured1978: lowest 247.32 m (1978-09-12), highest 247.57 m (1978-06-16), average 247.44 m, 365 days measured1979: lowest 247.39 m (1979-10-12), highest 247.95 m (1979-06-06), average 247.59 m, 365 days measured1980: lowest 247.35 m (1980-10-17), highest 247.58 m (1980-08-22), average 247.48 m, 366 days measured1981: lowest 247.30 m (1981-11-19), highest 247.56 m (1981-07-02), average 247.42 m, 365 days measured1982: lowest 247.24 m (1982-10-11), highest 247.58 m (1982-07-05), average 247.41 m, 365 days measured1983: lowest 247.31 m (1983-09-22), highest 247.72 m (1983-07-16), average 247.49 m, 365 days measured1984: lowest 247.20 m (1984-04-27), highest 247.67 m (1984-07-01), average 247.47 m, 366 days measured1985: lowest 247.35 m (1985-10-08), highest 247.66 m (1985-09-16), average 247.53 m, 346 days measured1986: lowest 247.14 m (1986-11-08), highest 247.86 m (1986-05-16), average 247.53 m, 365 days measured1987: lowest 247.35 m (1987-10-08), highest 247.61 m (1987-06-02), average 247.47 m, 365 days measured1988: lowest 247.23 m (1988-09-19), highest 247.65 m (1988-05-31), average 247.44 m, 366 days measured1989: lowest 247.28 m (1989-10-01), highest 247.62 m (1989-07-02), average 247.43 m, 365 days measured1990: lowest 247.21 m (1990-11-11), highest 247.64 m (1990-06-13), average 247.40 m, 365 days measured1991: lowest 247.20 m (1991-11-02), highest 247.53 m (1991-07-19), average 247.34 m, 365 days measured1992: lowest 247.20 m (1992-11-04), highest 247.49 m (1992-07-24), average 247.34 m, 366 days measured1993: lowest 247.26 m (1993-09-12), highest 247.45 m (1993-08-24), average 247.35 m, 365 days measured1994: lowest 247.33 m (1994-10-13), highest 247.51 m (1994-07-05), average 247.41 m, 365 days measured1995: lowest 247.34 m (1995-10-13), highest 247.86 m (1995-06-05), average 247.54 m, 365 days measured1996: lowest 247.41 m (1996-11-01), highest 247.90 m (1996-06-20), average 247.61 m, 366 days measured1997: lowest 247.37 m (1997-11-02), highest 247.81 m (1997-06-09), average 247.58 m, 365 days measured1998: lowest 247.34 m (1998-09-20), highest 247.79 m (1998-07-13), average 247.56 m, 365 days measured1999: lowest 247.33 m (1999-11-18), highest 247.75 m (1999-06-23), average 247.49 m, 365 days measured2000: lowest 247.11 m (2000-11-07), highest 247.48 m (2000-07-16), average 247.36 m, 303 days measured2001: lowest 247.23 m (2001-10-25), highest 247.89 m (2001-05-16), average 247.54 m, 365 days measured2002: lowest 247.09 m (2002-10-29), highest 247.49 m (2002-07-01), average 247.30 m, 365 days measured2003: lowest 246.89 m (2003-09-30), highest 247.28 m (2003-06-21), average 247.09 m, 365 days measured2004: lowest 247.00 m (2004-01-03), highest 247.42 m (2004-10-01), average 247.18 m, 300 days measured2005: lowest 247.32 m (2005-01-01), highest 247.94 m (2005-07-14), average 247.55 m, 365 days measured2006: lowest 247.21 m (2006-10-17), highest 247.72 m (2006-06-04), average 247.48 m, 365 days measured2007: lowest 247.40 m (2007-02-21), highest 247.68 m (2007-07-22), average 247.51 m, 365 days measured2008: lowest 247.28 m (2008-11-07), highest 247.66 m (2008-08-27), average 247.50 m, 366 days measured2009: lowest 247.35 m (2009-03-21), highest 247.84 m (2009-06-23), average 247.51 m, 365 days measured2010: lowest 247.25 m (2010-05-05), highest 247.76 m (2010-12-27), average 247.52 m, 365 days measured2011: lowest 247.73 m (2011-04-03), highest 249.10 m (2011-07-21), average 248.33 m, 365 days measured2012: lowest 247.35 m (2012-10-05), highest 248.20 m (2012-01-01), average 247.78 m, 366 days measured2013: lowest 247.40 m (2013-04-15), highest 247.86 m (2013-07-12), average 247.59 m, 365 days measured2014: lowest 247.44 m (2014-04-12), highest 248.31 m (2014-08-09), average 247.86 m, 365 days measured2015: lowest 247.39 m (2015-11-05), highest 247.95 m (2015-01-01), average 247.69 m, 365 days measured2016: lowest 247.37 m (2016-03-08), highest 247.65 m (2016-12-31), average 247.48 m, 366 days measured2017: lowest 247.46 m (2017-10-26), highest 248.05 m (2017-05-26), average 247.74 m, 360 days measured2018: lowest 247.11 m (2018-09-16), highest 247.53 m (2018-01-01), average 247.36 m, 365 days measured2019: lowest 247.06 m (2019-10-11), highest 247.44 m (2019-06-23), average 247.32 m, 365 days measured2020: lowest 247.12 m (2020-11-08), highest 247.43 m (2020-07-14), average 247.27 m, 366 days measured2021: lowest 246.81 m (2021-11-12), highest 247.22 m (2021-05-18), average 247.07 m, 365 days measured2022: lowest 246.94 m (2022-01-05), highest 247.85 m (2022-07-17), average 247.40 m, 365 days measured2023: lowest 247.20 m (2023-10-30), highest 247.54 m (2023-06-08), average 247.37 m, 365 days measured2024: lowest 247.23 m (2024-10-27), highest 247.54 m (2024-07-27), average 247.33 m, 366 days measured2025: lowest 247.03 m (2025-05-16), highest 247.34 m (2025-06-07), average 247.22 m, 365 days measured2026: lowest 247.57 m (2026-10-12), highest 247.75 m (2026-09-27), average 247.67 m, 30 days measured
246.7247.3248.0248.6249.2192319491975200120261923: lowest 247.98 m (1923-10-25), highest 248.24 m (1923-09-04), average 248.07 m, 130 days measured1924: lowest 247.75 m (1924-09-27), highest 248.21 m (1924-06-20), average 247.98 m, 362 days measured1925: lowest 247.80 m (1925-03-07), highest 248.20 m (1925-06-30), average 247.93 m, 363 days measured1926: lowest 247.58 m (1926-09-23), highest 247.91 m (1926-05-26), average 247.77 m, 365 days measured1927: lowest 247.61 m (1927-03-15), highest 248.03 m (1927-07-08), average 247.81 m, 365 days measured1928: lowest 247.60 m (1928-10-11), highest 247.99 m (1928-07-02), average 247.81 m, 366 days measured1929: lowest 247.29 m (1929-09-17), highest 247.84 m (1929-06-18), average 247.55 m, 365 days measured1930: lowest 247.20 m (1930-09-29), highest 247.63 m (1930-06-13), average 247.37 m, 365 days measured1931: lowest 247.05 m (1931-09-10), highest 247.35 m (1931-04-15), average 247.22 m, 347 days measured1932: lowest 246.90 m (1932-10-20), highest 247.39 m (1932-05-24), average 247.16 m, 366 days measured1933: lowest 246.96 m (1933-10-27), highest 247.32 m (1933-07-09), average 247.11 m, 365 days measured1934: lowest 247.05 m (1934-08-31), highest 247.34 m (1934-12-13), average 247.18 m, 365 days measured1935: lowest 247.28 m (1935-01-01), highest 247.84 m (1935-07-11), average 247.55 m, 365 days measured1936: lowest 247.45 m (1936-10-30), highest 247.84 m (1936-06-30), average 247.66 m, 366 days measured1937: lowest 247.29 m (1937-11-15), highest 247.81 m (1937-06-19), average 247.57 m, 365 days measured1938: lowest 247.23 m (1938-10-21), highest 247.63 m (1938-05-13), average 247.47 m, 365 days measured1939: lowest 247.08 m (1939-11-01), highest 247.54 m (1939-07-21), average 247.29 m, 365 days measured1940: lowest 246.94 m (1940-09-28), highest 247.26 m (1940-05-31), average 247.13 m, 366 days measured1941: lowest 246.94 m (1941-11-10), highest 247.26 m (1941-06-20), average 247.10 m, 365 days measured1942: lowest 246.90 m (1942-10-24), highest 247.29 m (1942-05-28), average 247.08 m, 365 days measured1943: lowest 246.86 m (1943-10-14), highest 247.25 m (1943-06-11), average 247.06 m, 365 days measured1944: lowest 246.86 m (1944-11-02), highest 247.25 m (1944-07-05), average 247.08 m, 366 days measured1945: lowest 247.03 m (1945-11-09), highest 247.40 m (1945-10-29), average 247.16 m, 365 days measured1946: lowest 247.05 m (1946-09-06), highest 247.36 m (1946-07-22), average 247.21 m, 365 days measured1947: lowest 247.18 m (1947-06-10), highest 247.60 m (1947-07-09), average 247.40 m, 365 days measured1948: lowest 247.51 m (1948-01-09), highest 247.95 m (1948-09-23), average 247.71 m, 366 days measured1949: lowest 247.46 m (1949-10-19), highest 247.97 m (1949-06-29), average 247.74 m, 365 days measured1950: lowest 247.45 m (1950-11-09), highest 247.91 m (1950-08-06), average 247.67 m, 365 days measured1951: lowest 247.43 m (1951-09-27), highest 247.71 m (1951-05-29), average 247.58 m, 365 days measured1952: lowest 247.31 m (1952-10-06), highest 247.68 m (1952-07-06), average 247.54 m, 366 days measured1953: lowest 247.39 m (1953-05-11), highest 248.09 m (1953-11-08), average 247.76 m, 365 days measured1954: lowest 247.92 m (1954-01-02), highest 248.48 m (1954-10-21), average 248.20 m, 365 days measured1955: lowest 248.19 m (1955-11-08), highest 248.79 m (1955-07-08), average 248.42 m, 365 days measured1956: lowest 248.02 m (1956-10-09), highest 248.41 m (1956-06-07), average 248.20 m, 366 days measured1957: lowest 247.74 m (1957-11-23), highest 248.14 m (1957-07-24), average 247.98 m, 363 days measured1958: lowest 247.28 m (1958-11-18), highest 247.82 m (1958-01-05), average 247.64 m, 365 days measured1959: lowest 247.37 m (1959-10-10), highest 247.76 m (1959-06-11), average 247.59 m, 365 days measured1960: lowest 247.40 m (1960-11-09), highest 247.84 m (1960-06-27), average 247.63 m, 366 days measured1961: lowest 247.19 m (1961-12-01), highest 247.72 m (1961-05-22), average 247.48 m, 365 days measured1962: lowest 247.26 m (1962-10-24), highest 247.59 m (1962-06-13), average 247.40 m, 365 days measured1963: lowest 247.20 m (1963-11-13), highest 247.75 m (1963-06-23), average 247.44 m, 365 days measured1964: lowest 247.00 m (1964-11-20), highest 247.46 m (1964-05-14), average 247.26 m, 366 days measured1965: lowest 247.12 m (1965-01-01), highest 247.44 m (1965-06-19), average 247.25 m, 365 days measured1966: lowest 247.33 m (1966-11-01), highest 247.65 m (1966-06-11), average 247.47 m, 365 days measured1967: lowest 247.36 m (1967-09-25), highest 247.80 m (1967-06-03), average 247.59 m, 365 days measured1968: lowest 247.36 m (1968-05-18), highest 247.64 m (1968-06-01), average 247.50 m, 365 days measured1969: lowest 247.27 m (1969-11-14), highest 247.52 m (1969-07-09), average 247.42 m, 365 days measured1970: lowest 247.29 m (1970-10-06), highest 247.77 m (1970-07-01), average 247.52 m, 358 days measured1971: lowest 247.35 m (1971-10-02), highest 247.69 m (1971-05-09), average 247.55 m, 365 days measured1972: lowest 247.38 m (1972-09-24), highest 247.69 m (1972-05-23), average 247.51 m, 336 days measured1973: lowest 247.43 m (1973-11-04), highest 247.72 m (1973-07-02), average 247.52 m, 360 days measured1974: lowest 247.33 m (1974-11-14), highest 247.93 m (1974-06-06), average 247.57 m, 365 days measured1975: lowest 247.40 m (1975-01-01), highest 247.77 m (1975-06-28), average 247.52 m, 365 days measured1976: lowest 247.28 m (1976-09-22), highest 247.89 m (1976-05-26), average 247.53 m, 342 days measured1977: lowest 247.37 m (1977-11-20), highest 247.74 m (1977-05-28), average 247.52 m, 365 days measured1978: lowest 247.32 m (1978-09-12), highest 247.57 m (1978-06-16), average 247.44 m, 365 days measured1979: lowest 247.39 m (1979-10-12), highest 247.95 m (1979-06-06), average 247.59 m, 365 days measured1980: lowest 247.35 m (1980-10-17), highest 247.58 m (1980-08-22), average 247.48 m, 366 days measured1981: lowest 247.30 m (1981-11-19), highest 247.56 m (1981-07-02), average 247.42 m, 365 days measured1982: lowest 247.24 m (1982-10-11), highest 247.58 m (1982-07-05), average 247.41 m, 365 days measured1983: lowest 247.31 m (1983-09-22), highest 247.72 m (1983-07-16), average 247.49 m, 365 days measured1984: lowest 247.20 m (1984-04-27), highest 247.67 m (1984-07-01), average 247.47 m, 366 days measured1985: lowest 247.35 m (1985-10-08), highest 247.66 m (1985-09-16), average 247.53 m, 346 days measured1986: lowest 247.14 m (1986-11-08), highest 247.86 m (1986-05-16), average 247.53 m, 365 days measured1987: lowest 247.35 m (1987-10-08), highest 247.61 m (1987-06-02), average 247.47 m, 365 days measured1988: lowest 247.23 m (1988-09-19), highest 247.65 m (1988-05-31), average 247.44 m, 366 days measured1989: lowest 247.28 m (1989-10-01), highest 247.62 m (1989-07-02), average 247.43 m, 365 days measured1990: lowest 247.21 m (1990-11-11), highest 247.64 m (1990-06-13), average 247.40 m, 365 days measured1991: lowest 247.20 m (1991-11-02), highest 247.53 m (1991-07-19), average 247.34 m, 365 days measured1992: lowest 247.20 m (1992-11-04), highest 247.49 m (1992-07-24), average 247.34 m, 366 days measured1993: lowest 247.26 m (1993-09-12), highest 247.45 m (1993-08-24), average 247.35 m, 365 days measured1994: lowest 247.33 m (1994-10-13), highest 247.51 m (1994-07-05), average 247.41 m, 365 days measured1995: lowest 247.34 m (1995-10-13), highest 247.86 m (1995-06-05), average 247.54 m, 365 days measured1996: lowest 247.41 m (1996-11-01), highest 247.90 m (1996-06-20), average 247.61 m, 366 days measured1997: lowest 247.37 m (1997-11-02), highest 247.81 m (1997-06-09), average 247.58 m, 365 days measured1998: lowest 247.34 m (1998-09-20), highest 247.79 m (1998-07-13), average 247.56 m, 365 days measured1999: lowest 247.33 m (1999-11-18), highest 247.75 m (1999-06-23), average 247.49 m, 365 days measured2000: lowest 247.11 m (2000-11-07), highest 247.48 m (2000-07-16), average 247.36 m, 303 days measured2001: lowest 247.23 m (2001-10-25), highest 247.89 m (2001-05-16), average 247.54 m, 365 days measured2002: lowest 247.09 m (2002-10-29), highest 247.49 m (2002-07-01), average 247.30 m, 365 days measured2003: lowest 246.89 m (2003-09-30), highest 247.28 m (2003-06-21), average 247.09 m, 365 days measured2004: lowest 247.00 m (2004-01-03), highest 247.42 m (2004-10-01), average 247.18 m, 300 days measured2005: lowest 247.32 m (2005-01-01), highest 247.94 m (2005-07-14), average 247.55 m, 365 days measured2006: lowest 247.21 m (2006-10-17), highest 247.72 m (2006-06-04), average 247.48 m, 365 days measured2007: lowest 247.40 m (2007-02-21), highest 247.68 m (2007-07-22), average 247.51 m, 365 days measured2008: lowest 247.28 m (2008-11-07), highest 247.66 m (2008-08-27), average 247.50 m, 366 days measured2009: lowest 247.35 m (2009-03-21), highest 247.84 m (2009-06-23), average 247.51 m, 365 days measured2010: lowest 247.25 m (2010-05-05), highest 247.76 m (2010-12-27), average 247.52 m, 365 days measured2011: lowest 247.73 m (2011-04-03), highest 249.10 m (2011-07-21), average 248.33 m, 365 days measured2012: lowest 247.35 m (2012-10-05), highest 248.20 m (2012-01-01), average 247.78 m, 366 days measured2013: lowest 247.40 m (2013-04-15), highest 247.86 m (2013-07-12), average 247.59 m, 365 days measured2014: lowest 247.44 m (2014-04-12), highest 248.31 m (2014-08-09), average 247.86 m, 365 days measured2015: lowest 247.39 m (2015-11-05), highest 247.95 m (2015-01-01), average 247.69 m, 365 days measured2016: lowest 247.37 m (2016-03-08), highest 247.65 m (2016-12-31), average 247.48 m, 366 days measured2017: lowest 247.46 m (2017-10-26), highest 248.05 m (2017-05-26), average 247.74 m, 360 days measured2018: lowest 247.11 m (2018-09-16), highest 247.53 m (2018-01-01), average 247.36 m, 365 days measured2019: lowest 247.06 m (2019-10-11), highest 247.44 m (2019-06-23), average 247.32 m, 365 days measured2020: lowest 247.12 m (2020-11-08), highest 247.43 m (2020-07-14), average 247.27 m, 366 days measured2021: lowest 246.81 m (2021-11-12), highest 247.22 m (2021-05-18), average 247.07 m, 365 days measured2022: lowest 246.94 m (2022-01-05), highest 247.85 m (2022-07-17), average 247.40 m, 365 days measured2023: lowest 247.20 m (2023-10-30), highest 247.54 m (2023-06-08), average 247.37 m, 365 days measured2024: lowest 247.23 m (2024-10-27), highest 247.54 m (2024-07-27), average 247.33 m, 366 days measured2025: lowest 247.03 m (2025-05-16), highest 247.34 m (2025-06-07), average 247.22 m, 365 days measured2026: lowest 247.57 m (2026-10-12), highest 247.75 m (2026-09-27), average 247.67 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.

  • 2021246.811 m on Nov 12
  • 1944246.864 m on Nov 2
  • 1943246.864 m on Oct 14
  • 2003246.893 m on Sep 30
  • 1942246.897 m on Oct 24

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)247.672247.572Oct 12247.749Sep 27
2025247.223247.032May 16247.337Jun 7
2024247.331247.233Oct 27247.536Jul 27
2023247.372247.197Oct 30247.539Jun 8
2022247.397246.943Jan 5247.849Jul 17
2021247.074246.811Nov 12247.224May 18
2020247.273247.115Nov 8247.433Jul 14
2019247.325247.056Oct 11247.437Jun 23
2018247.365247.111Sep 16247.530Jan 1
2017247.739247.461Oct 26248.054May 26
2016247.482247.367Mar 8247.653Dec 31
2015247.689247.394Nov 5247.953Jan 1
2014247.864247.436Apr 12248.309Aug 9
2013247.587247.395Apr 15247.861Jul 12
2012247.785247.345Oct 5248.196Jan 1
2011248.328247.728Apr 3249.105Jul 21
2010247.517247.245May 5247.760Dec 27
2009247.514247.354Mar 21247.842Jun 23
2008247.501247.282Nov 7247.662Aug 27
2007247.511247.404Feb 21247.684Jul 22
2006247.483247.213Oct 17247.715Jun 4
2005247.549247.316Jan 1247.939Jul 14
2004 (300 days)247.184247.003Jan 3247.421Oct 1
2003247.091246.893Sep 30247.279Jun 21
2002247.304247.088Oct 29247.489Jul 1
2001247.536247.232Oct 25247.894May 16
2000 (303 days)247.362247.105Nov 7247.483Jul 16
1999247.486247.325Nov 18247.750Jun 23
1998247.564247.338Sep 20247.795Jul 13
1997247.579247.370Nov 2247.809Jun 9
1996247.613247.410Nov 1247.897Jun 20
1995247.540247.344Oct 13247.856Jun 5
1994247.413247.329Oct 13247.507Jul 5
1993247.351247.261Sep 12247.454Aug 24
1992247.344247.201Nov 4247.489Jul 24
1991247.340247.200Nov 2247.529Jul 19
1990247.403247.212Nov 11247.637Jun 13
1989247.429247.281Oct 1247.618Jul 2
1988247.439247.228Sep 19247.651May 31
1987247.475247.354Oct 8247.610Jun 2
1986247.535247.135Nov 8247.861May 16
1985247.531247.350Oct 8247.660Sep 16
1984247.466247.199Apr 27247.674Jul 1
1983247.492247.309Sep 22247.715Jul 16
1982247.410247.241Oct 11247.583Jul 5
1981247.416247.304Nov 19247.559Jul 2
1980247.482247.350Oct 17247.578Aug 22
1979247.590247.394Oct 12247.953Jun 6
1978247.445247.321Sep 12247.571Jun 16
1977247.516247.370Nov 20247.741May 28
1976247.535247.281Sep 22247.894May 26
1975247.522247.397Jan 1247.766Jun 28
1974247.572247.327Nov 14247.933Jun 6
1973247.520247.434Nov 4247.720Jul 2
1972247.506247.376Sep 24247.687May 23
1971247.552247.354Oct 2247.687May 9
1970247.523247.287Oct 6247.772Jul 1
1969247.424247.266Nov 14247.522Jul 9
1968247.503247.357May 18247.635Jun 1
1967247.586247.360Sep 25247.799Jun 3
1966247.469247.327Nov 1247.650Jun 11
1965247.246247.117Jan 1247.443Jun 19
1964247.255247.001Nov 20247.458May 14
1963247.437247.199Nov 13247.748Jun 23
1962247.404247.263Oct 24247.589Jun 13
1961247.478247.190Dec 1247.717May 22
1960247.632247.400Nov 9247.839Jun 27
1959247.587247.367Oct 10247.763Jun 11
1958247.640247.281Nov 18247.824Jan 5
1957247.980247.738Nov 23248.144Jul 24
1956248.205248.019Oct 9248.409Jun 7
1955248.425248.189Nov 8248.793Jul 8
1954248.198247.924Jan 2248.485Oct 21
1953247.757247.388May 11248.089Nov 8
1952247.539247.309Oct 6247.677Jul 6
1951247.576247.434Sep 27247.708May 29
1950247.674247.449Nov 9247.906Aug 6
1949247.741247.455Oct 19247.967Jun 29
1948247.713247.507Jan 9247.949Sep 23
1947247.396247.181Jun 10247.601Jul 9
1946247.214247.046Sep 6247.357Jul 22
1945247.156247.031Nov 9247.403Oct 29
1944247.075246.864Nov 2247.251Jul 5
1943247.058246.864Oct 14247.248Jun 11
1942247.081246.897Oct 24247.293May 28
1941247.095246.943Nov 10247.263Jun 20
1940247.133246.943Sep 28247.263May 31
1939247.292247.080Nov 1247.537Jul 21
1938247.465247.232Oct 21247.629May 13
1937247.572247.293Nov 15247.812Jun 19
1936247.655247.446Oct 30247.842Jun 30
1935247.550247.278Jan 1247.842Jul 11
1934247.181247.050Aug 31247.339Dec 13
1933247.113246.964Oct 27247.324Jul 9
1932247.158246.897Oct 20247.385May 24
1931247.222247.050Sep 10247.354Apr 15
1930247.371247.202Sep 29247.629Jun 13
1929247.550247.293Sep 17247.842Jun 18
1928247.814247.598Oct 11247.994Jul 2
1927247.805247.613Mar 15248.031Jul 8
1926247.773247.583Sep 23247.909May 26
1925247.926247.799Mar 7248.196Jun 30
1924247.985247.751Sep 27248.208Jun 20
1923 (130 days)248.069247.979Oct 25248.238Sep 4

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

Monthly averages

MonthAverageLowestHighest
January247.471246.943248.394
February247.469246.958248.388
March247.466246.979248.363
April247.495246.998248.476
May247.569246.925248.583
June247.608246.879249.028
July247.599246.992249.105
August247.532246.881249.035
September247.479246.893248.840
October247.449246.840248.561
November247.443246.811248.467
December247.462246.928248.424

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Daily levels as CSV (37,170 rows; credit the original agencies listed below)