Country: Canada
United StatesCanadaUnited Kingdom

Lake Winnipegosis at Winnipegosis water level history

Daily records since 1913 · Level today: 253.817 m

Highest on record
255.008 m
Oct 27, 2010
Lowest on record
251.890 m
Jun 17, 1942
Today
253.817 m
Oct 23, 2026
Years of data
113
since 1913

In short

Across 104 complete years, 1941 had the lowest average level (252.347 m) and 2011 the highest (254.186 m).

On average the lake is lowest in December (253.083 m) and highest in June (253.315 m).

Lake Winnipegosis at Winnipegosis level, all years

Loading chart…

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

Each year's lowest and highest level

251.7252.6253.4254.3255.21913192719411955196919831997201120261913: lowest 253.58 m (1913-10-16), highest 254.69 m (1913-09-19), average 254.02 m, 169 days measured1914: lowest 253.02 m (1914-11-01), highest 254.01 m (1914-07-16), average 253.48 m, 214 days measured1915: lowest 252.55 m (1915-08-04), highest 253.63 m (1915-06-05), average 253.00 m, 182 days measured1916: lowest 252.73 m (1916-04-11), highest 253.76 m (1916-09-21), average 253.09 m, 234 days measured1917: lowest 252.79 m (1917-10-23), highest 254.10 m (1917-06-13), average 253.37 m, 195 days measured1918: lowest 252.71 m (1918-11-04), highest 253.90 m (1918-05-11), average 253.14 m, 275 days measured1919: lowest 252.49 m (1919-08-31), highest 253.27 m (1919-10-22), average 252.89 m, 365 days measured1920: lowest 252.64 m (1920-10-01), highest 253.60 m (1920-09-28), average 252.97 m, 366 days measured1921: lowest 252.74 m (1921-04-01), highest 253.96 m (1921-09-11), average 253.20 m, 365 days measured1922: lowest 253.30 m (1922-10-12), highest 254.24 m (1922-05-18), average 253.68 m, 365 days measured1923: lowest 253.26 m (1923-09-19), highest 254.09 m (1923-07-23), average 253.63 m, 365 days measured1924: lowest 252.80 m (1924-10-12), highest 253.71 m (1924-07-12), average 253.36 m, 341 days measured1925: lowest 253.12 m (1925-01-04), highest 254.08 m (1925-06-08), average 253.34 m, 365 days measured1926: lowest 252.80 m (1926-09-20), highest 254.02 m (1926-09-23), average 253.17 m, 358 days measured1927: lowest 252.91 m (1927-02-07), highest 253.91 m (1927-09-18), average 253.29 m, 352 days measured1928: lowest 252.51 m (1928-10-18), highest 253.79 m (1928-09-24), average 253.31 m, 362 days measured1929: lowest 252.45 m (1929-11-04), highest 253.33 m (1929-05-30), average 252.90 m, 365 days measured1930: lowest 252.34 m (1930-10-31), highest 253.48 m (1930-10-17), average 252.75 m, 365 days measured1931: lowest 252.20 m (1931-10-08), highest 253.11 m (1931-05-19), average 252.62 m, 365 days measured1932: lowest 252.23 m (1932-10-30), highest 252.96 m (1932-10-24), average 252.60 m, 366 days measured1933: lowest 252.37 m (1933-09-01), highest 253.26 m (1933-10-21), average 252.68 m, 365 days measured1934: lowest 252.67 m (1934-11-02), highest 253.46 m (1934-08-19), average 252.98 m, 365 days measured1935: lowest 252.81 m (1935-09-27), highest 253.87 m (1935-06-03), average 253.08 m, 365 days measured1936: lowest 252.78 m (1936-10-26), highest 253.93 m (1936-06-08), average 253.14 m, 366 days measured1937: lowest 252.49 m (1937-10-16), highest 254.29 m (1937-06-06), average 252.93 m, 365 days measured1938: lowest 252.41 m (1938-10-06), highest 253.38 m (1938-06-07), average 252.80 m, 365 days measured1939: lowest 252.38 m (1939-11-03), highest 253.07 m (1939-10-15), average 252.69 m, 365 days measured1940: lowest 252.10 m (1940-10-21), highest 252.92 m (1940-06-10), average 252.54 m, 366 days measured1941: lowest 251.94 m (1941-09-14), highest 252.78 m (1941-05-09), average 252.35 m, 365 days measured1942: lowest 251.89 m (1942-06-17), highest 253.15 m (1942-09-23), average 252.35 m, 365 days measured1943: lowest 252.28 m (1943-10-21), highest 253.83 m (1943-09-07), average 252.67 m, 365 days measured1944: lowest 252.25 m (1944-11-05), highest 253.28 m (1944-11-02), average 252.62 m, 366 days measured1945: lowest 252.45 m (1945-02-09), highest 253.26 m (1945-06-29), average 252.67 m, 365 days measured1946: lowest 252.48 m (1946-11-13), highest 253.49 m (1946-11-16), average 252.80 m, 365 days measured1947: lowest 252.66 m (1947-06-20), highest 253.97 m (1947-09-14), average 253.08 m, 365 days measured1948: lowest 253.12 m (1948-10-05), highest 254.11 m (1948-07-16), average 253.48 m, 366 days measured1949: lowest 252.71 m (1949-10-05), highest 253.75 m (1949-05-17), average 253.18 m, 365 days measured1950: lowest 252.63 m (1950-08-29), highest 253.66 m (1950-08-18), average 252.99 m, 365 days measured1951: lowest 252.76 m (1951-08-22), highest 253.52 m (1951-10-16), average 253.03 m, 365 days measured1952: lowest 252.63 m (1952-10-25), highest 254.02 m (1952-05-27), average 253.25 m, 366 days measured1953: lowest 253.03 m (1953-01-01), highest 254.62 m (1953-09-03), average 253.42 m, 359 days measured1954: lowest 253.67 m (1954-01-02), highest 254.60 m (1954-11-13), average 253.92 m, 288 days measured1955: lowest 253.38 m (1955-10-26), highest 254.32 m (1955-05-04), average 253.87 m, 365 days measured1956: lowest 253.26 m (1956-09-20), highest 254.02 m (1956-11-07), average 253.53 m, 366 days measured1957: lowest 253.02 m (1957-11-03), highest 254.01 m (1957-06-16), average 253.36 m, 365 days measured1958: lowest 252.45 m (1958-10-02), highest 253.84 m (1958-05-18), average 253.03 m, 365 days measured1959: lowest 252.70 m (1959-10-01), highest 253.73 m (1959-06-28), average 252.95 m, 365 days measured1960: lowest 252.65 m (1960-10-24), highest 253.54 m (1960-06-29), average 253.10 m, 366 days measured1961: lowest 252.32 m (1961-11-01), highest 253.19 m (1961-06-19), average 252.82 m, 365 days measured1962: lowest 252.12 m (1962-11-05), highest 253.08 m (1962-05-30), average 252.55 m, 365 days measured1963: lowest 252.05 m (1963-11-02), highest 252.99 m (1963-05-20), average 252.43 m, 365 days measured1964: lowest 252.07 m (1964-09-30), highest 252.84 m (1964-08-11), average 252.44 m, 366 days measured1965: lowest 252.46 m (1965-01-02), highest 253.62 m (1965-05-26), average 252.77 m, 365 days measured1966: lowest 252.92 m (1966-01-07), highest 253.75 m (1966-09-04), average 253.22 m, 332 days measured1967: lowest 252.71 m (1967-10-28), highest 253.92 m (1967-06-21), average 253.36 m, 365 days measured1968: lowest 252.65 m (1968-11-12), highest 253.78 m (1968-05-15), average 253.16 m, 366 days measured1969: lowest 252.72 m (1969-09-19), highest 253.66 m (1969-11-13), average 253.10 m, 365 days measured1970: lowest 252.91 m (1970-07-01), highest 253.86 m (1970-10-02), average 253.22 m, 365 days measured1971: lowest 253.03 m (1971-09-11), highest 253.99 m (1971-11-06), average 253.39 m, 365 days measured1972: lowest 252.89 m (1972-10-09), highest 253.86 m (1972-06-14), average 253.31 m, 366 days measured1973: lowest 252.79 m (1973-10-28), highest 253.61 m (1973-06-19), average 253.18 m, 336 days measured1974: lowest 253.07 m (1974-11-21), highest 253.98 m (1974-07-28), average 253.45 m, 365 days measured1975: lowest 253.16 m (1975-11-13), highest 254.39 m (1975-09-19), average 253.50 m, 365 days measured1976: lowest 253.05 m (1976-10-27), highest 253.98 m (1976-06-14), average 253.45 m, 366 days measured1977: lowest 252.70 m (1977-11-12), highest 253.77 m (1977-11-20), average 253.21 m, 365 days measured1978: lowest 252.85 m (1978-10-16), highest 253.59 m (1978-05-31), average 253.20 m, 365 days measured1979: lowest 253.08 m (1979-01-07), highest 253.97 m (1979-08-13), average 253.41 m, 365 days measured1980: lowest 252.71 m (1980-10-09), highest 253.60 m (1980-05-10), average 253.19 m, 366 days measured1981: lowest 252.29 m (1981-10-02), highest 253.46 m (1981-06-18), average 252.92 m, 365 days measured1982: lowest 252.55 m (1982-09-25), highest 253.41 m (1982-08-08), average 252.88 m, 365 days measured1983: lowest 252.88 m (1983-01-02), highest 253.76 m (1983-07-23), average 253.22 m, 365 days measured1984: lowest 253.09 m (1984-09-06), highest 254.15 m (1984-04-27), average 253.41 m, 366 days measured1985: lowest 252.97 m (1985-10-17), highest 253.99 m (1985-06-17), average 253.37 m, 365 days measured1986: lowest 253.05 m (1986-10-09), highest 254.05 m (1986-11-08), average 253.37 m, 365 days measured1987: lowest 252.91 m (1987-11-10), highest 253.60 m (1987-10-05), average 253.26 m, 365 days measured1988: lowest 252.89 m (1988-10-22), highest 253.74 m (1988-05-15), average 253.28 m, 366 days measured1989: lowest 252.55 m (1989-10-19), highest 253.55 m (1989-06-12), average 253.01 m, 365 days measured1990: lowest 252.77 m (1990-11-07), highest 253.65 m (1990-06-02), average 253.06 m, 365 days measured1991: lowest 252.19 m (1991-10-17), highest 253.41 m (1991-04-30), average 252.87 m, 365 days measured1992: lowest 252.52 m (1992-11-07), highest 253.30 m (1992-05-21), average 252.80 m, 366 days measured1993: lowest 252.54 m (1993-06-19), highest 253.70 m (1993-10-28), average 252.91 m, 365 days measured1994: lowest 252.83 m (1994-09-26), highest 253.51 m (1994-07-20), average 253.15 m, 365 days measured1995: lowest 252.90 m (1995-08-09), highest 253.80 m (1995-11-02), average 253.27 m, 365 days measured1996: lowest 253.31 m (1996-01-07), highest 254.07 m (1996-10-30), average 253.58 m, 366 days measured1997: lowest 253.39 m (1997-10-26), highest 254.17 m (1997-08-09), average 253.69 m, 365 days measured1998: lowest 253.01 m (1998-10-14), highest 253.74 m (1998-06-21), average 253.46 m, 365 days measured1999: lowest 253.00 m (1999-11-11), highest 253.89 m (1999-05-07), average 253.32 m, 365 days measured2000: lowest 252.59 m (2000-10-28), highest 253.88 m (2000-11-07), average 253.10 m, 366 days measured2001: lowest 252.62 m (2001-10-17), highest 254.01 m (2001-06-15), average 253.05 m, 365 days measured2002: lowest 252.37 m (2002-09-29), highest 253.23 m (2002-05-22), average 252.80 m, 365 days measured2003: lowest 252.34 m (2003-08-23), highest 253.12 m (2003-05-10), average 252.66 m, 365 days measured2004: lowest 252.54 m (2004-01-05), highest 253.53 m (2004-10-15), average 252.87 m, 366 days measured2005: lowest 252.87 m (2005-10-07), highest 253.82 m (2005-05-01), average 253.32 m, 365 days measured2006: lowest 253.37 m (2006-01-09), highest 254.39 m (2006-10-12), average 253.65 m, 365 days measured2007: lowest 253.53 m (2007-11-10), highest 254.25 m (2007-07-11), average 253.80 m, 365 days measured2008: lowest 252.88 m (2008-10-21), highest 254.09 m (2008-07-12), average 253.55 m, 287 days measured2009: lowest 253.01 m (2009-09-30), highest 253.77 m (2009-05-13), average 253.33 m, 365 days measured2010: lowest 253.02 m (2010-05-23), highest 255.01 m (2010-10-27), average 253.58 m, 331 days measured2011: lowest 253.90 m (2011-10-20), highest 254.86 m (2011-05-31), average 254.19 m, 340 days measured2012: lowest 253.50 m (2012-10-29), highest 254.21 m (2012-08-04), average 253.84 m, 366 days measured2013: lowest 253.64 m (2013-04-25), highest 254.37 m (2013-10-12), average 253.85 m, 365 days measured2014: lowest 253.65 m (2014-10-31), highest 254.72 m (2014-07-01), average 254.00 m, 334 days measured2015: lowest 253.29 m (2015-10-02), highest 254.40 m (2015-05-17), average 253.68 m, 365 days measured2016: lowest 253.42 m (2016-01-22), highest 254.72 m (2016-12-07), average 253.71 m, 366 days measured2017: lowest 253.70 m (2017-10-28), highest 254.62 m (2017-06-23), average 254.07 m, 352 days measured2018: lowest 253.35 m (2018-11-04), highest 254.00 m (2018-07-25), average 253.68 m, 359 days measured2019: lowest 252.99 m (2019-10-04), highest 254.18 m (2019-10-12), average 253.41 m, 365 days measured2020: lowest 252.88 m (2020-10-11), highest 253.55 m (2020-05-28), average 253.20 m, 347 days measured2021: lowest 252.43 m (2021-10-26), highest 253.44 m (2021-05-25), average 252.99 m, 359 days measured2022: lowest 252.77 m (2022-01-14), highest 254.01 m (2022-05-31), average 253.30 m, 270 days measured2023: lowest 252.72 m (2023-11-12), highest 253.57 m (2023-05-18), average 253.20 m, 365 days measured2024: lowest 252.76 m (2024-11-12), highest 253.73 m (2024-11-20), average 253.17 m, 366 days measured2025: lowest 252.79 m (2025-11-10), highest 253.91 m (2025-05-16), average 253.16 m, 365 days measured2026: lowest 253.71 m (2026-10-05), highest 254.15 m (2026-10-11), average 253.88 m, 30 days measured
251.7252.6253.4254.3255.2191319411969199720261913: lowest 253.58 m (1913-10-16), highest 254.69 m (1913-09-19), average 254.02 m, 169 days measured1914: lowest 253.02 m (1914-11-01), highest 254.01 m (1914-07-16), average 253.48 m, 214 days measured1915: lowest 252.55 m (1915-08-04), highest 253.63 m (1915-06-05), average 253.00 m, 182 days measured1916: lowest 252.73 m (1916-04-11), highest 253.76 m (1916-09-21), average 253.09 m, 234 days measured1917: lowest 252.79 m (1917-10-23), highest 254.10 m (1917-06-13), average 253.37 m, 195 days measured1918: lowest 252.71 m (1918-11-04), highest 253.90 m (1918-05-11), average 253.14 m, 275 days measured1919: lowest 252.49 m (1919-08-31), highest 253.27 m (1919-10-22), average 252.89 m, 365 days measured1920: lowest 252.64 m (1920-10-01), highest 253.60 m (1920-09-28), average 252.97 m, 366 days measured1921: lowest 252.74 m (1921-04-01), highest 253.96 m (1921-09-11), average 253.20 m, 365 days measured1922: lowest 253.30 m (1922-10-12), highest 254.24 m (1922-05-18), average 253.68 m, 365 days measured1923: lowest 253.26 m (1923-09-19), highest 254.09 m (1923-07-23), average 253.63 m, 365 days measured1924: lowest 252.80 m (1924-10-12), highest 253.71 m (1924-07-12), average 253.36 m, 341 days measured1925: lowest 253.12 m (1925-01-04), highest 254.08 m (1925-06-08), average 253.34 m, 365 days measured1926: lowest 252.80 m (1926-09-20), highest 254.02 m (1926-09-23), average 253.17 m, 358 days measured1927: lowest 252.91 m (1927-02-07), highest 253.91 m (1927-09-18), average 253.29 m, 352 days measured1928: lowest 252.51 m (1928-10-18), highest 253.79 m (1928-09-24), average 253.31 m, 362 days measured1929: lowest 252.45 m (1929-11-04), highest 253.33 m (1929-05-30), average 252.90 m, 365 days measured1930: lowest 252.34 m (1930-10-31), highest 253.48 m (1930-10-17), average 252.75 m, 365 days measured1931: lowest 252.20 m (1931-10-08), highest 253.11 m (1931-05-19), average 252.62 m, 365 days measured1932: lowest 252.23 m (1932-10-30), highest 252.96 m (1932-10-24), average 252.60 m, 366 days measured1933: lowest 252.37 m (1933-09-01), highest 253.26 m (1933-10-21), average 252.68 m, 365 days measured1934: lowest 252.67 m (1934-11-02), highest 253.46 m (1934-08-19), average 252.98 m, 365 days measured1935: lowest 252.81 m (1935-09-27), highest 253.87 m (1935-06-03), average 253.08 m, 365 days measured1936: lowest 252.78 m (1936-10-26), highest 253.93 m (1936-06-08), average 253.14 m, 366 days measured1937: lowest 252.49 m (1937-10-16), highest 254.29 m (1937-06-06), average 252.93 m, 365 days measured1938: lowest 252.41 m (1938-10-06), highest 253.38 m (1938-06-07), average 252.80 m, 365 days measured1939: lowest 252.38 m (1939-11-03), highest 253.07 m (1939-10-15), average 252.69 m, 365 days measured1940: lowest 252.10 m (1940-10-21), highest 252.92 m (1940-06-10), average 252.54 m, 366 days measured1941: lowest 251.94 m (1941-09-14), highest 252.78 m (1941-05-09), average 252.35 m, 365 days measured1942: lowest 251.89 m (1942-06-17), highest 253.15 m (1942-09-23), average 252.35 m, 365 days measured1943: lowest 252.28 m (1943-10-21), highest 253.83 m (1943-09-07), average 252.67 m, 365 days measured1944: lowest 252.25 m (1944-11-05), highest 253.28 m (1944-11-02), average 252.62 m, 366 days measured1945: lowest 252.45 m (1945-02-09), highest 253.26 m (1945-06-29), average 252.67 m, 365 days measured1946: lowest 252.48 m (1946-11-13), highest 253.49 m (1946-11-16), average 252.80 m, 365 days measured1947: lowest 252.66 m (1947-06-20), highest 253.97 m (1947-09-14), average 253.08 m, 365 days measured1948: lowest 253.12 m (1948-10-05), highest 254.11 m (1948-07-16), average 253.48 m, 366 days measured1949: lowest 252.71 m (1949-10-05), highest 253.75 m (1949-05-17), average 253.18 m, 365 days measured1950: lowest 252.63 m (1950-08-29), highest 253.66 m (1950-08-18), average 252.99 m, 365 days measured1951: lowest 252.76 m (1951-08-22), highest 253.52 m (1951-10-16), average 253.03 m, 365 days measured1952: lowest 252.63 m (1952-10-25), highest 254.02 m (1952-05-27), average 253.25 m, 366 days measured1953: lowest 253.03 m (1953-01-01), highest 254.62 m (1953-09-03), average 253.42 m, 359 days measured1954: lowest 253.67 m (1954-01-02), highest 254.60 m (1954-11-13), average 253.92 m, 288 days measured1955: lowest 253.38 m (1955-10-26), highest 254.32 m (1955-05-04), average 253.87 m, 365 days measured1956: lowest 253.26 m (1956-09-20), highest 254.02 m (1956-11-07), average 253.53 m, 366 days measured1957: lowest 253.02 m (1957-11-03), highest 254.01 m (1957-06-16), average 253.36 m, 365 days measured1958: lowest 252.45 m (1958-10-02), highest 253.84 m (1958-05-18), average 253.03 m, 365 days measured1959: lowest 252.70 m (1959-10-01), highest 253.73 m (1959-06-28), average 252.95 m, 365 days measured1960: lowest 252.65 m (1960-10-24), highest 253.54 m (1960-06-29), average 253.10 m, 366 days measured1961: lowest 252.32 m (1961-11-01), highest 253.19 m (1961-06-19), average 252.82 m, 365 days measured1962: lowest 252.12 m (1962-11-05), highest 253.08 m (1962-05-30), average 252.55 m, 365 days measured1963: lowest 252.05 m (1963-11-02), highest 252.99 m (1963-05-20), average 252.43 m, 365 days measured1964: lowest 252.07 m (1964-09-30), highest 252.84 m (1964-08-11), average 252.44 m, 366 days measured1965: lowest 252.46 m (1965-01-02), highest 253.62 m (1965-05-26), average 252.77 m, 365 days measured1966: lowest 252.92 m (1966-01-07), highest 253.75 m (1966-09-04), average 253.22 m, 332 days measured1967: lowest 252.71 m (1967-10-28), highest 253.92 m (1967-06-21), average 253.36 m, 365 days measured1968: lowest 252.65 m (1968-11-12), highest 253.78 m (1968-05-15), average 253.16 m, 366 days measured1969: lowest 252.72 m (1969-09-19), highest 253.66 m (1969-11-13), average 253.10 m, 365 days measured1970: lowest 252.91 m (1970-07-01), highest 253.86 m (1970-10-02), average 253.22 m, 365 days measured1971: lowest 253.03 m (1971-09-11), highest 253.99 m (1971-11-06), average 253.39 m, 365 days measured1972: lowest 252.89 m (1972-10-09), highest 253.86 m (1972-06-14), average 253.31 m, 366 days measured1973: lowest 252.79 m (1973-10-28), highest 253.61 m (1973-06-19), average 253.18 m, 336 days measured1974: lowest 253.07 m (1974-11-21), highest 253.98 m (1974-07-28), average 253.45 m, 365 days measured1975: lowest 253.16 m (1975-11-13), highest 254.39 m (1975-09-19), average 253.50 m, 365 days measured1976: lowest 253.05 m (1976-10-27), highest 253.98 m (1976-06-14), average 253.45 m, 366 days measured1977: lowest 252.70 m (1977-11-12), highest 253.77 m (1977-11-20), average 253.21 m, 365 days measured1978: lowest 252.85 m (1978-10-16), highest 253.59 m (1978-05-31), average 253.20 m, 365 days measured1979: lowest 253.08 m (1979-01-07), highest 253.97 m (1979-08-13), average 253.41 m, 365 days measured1980: lowest 252.71 m (1980-10-09), highest 253.60 m (1980-05-10), average 253.19 m, 366 days measured1981: lowest 252.29 m (1981-10-02), highest 253.46 m (1981-06-18), average 252.92 m, 365 days measured1982: lowest 252.55 m (1982-09-25), highest 253.41 m (1982-08-08), average 252.88 m, 365 days measured1983: lowest 252.88 m (1983-01-02), highest 253.76 m (1983-07-23), average 253.22 m, 365 days measured1984: lowest 253.09 m (1984-09-06), highest 254.15 m (1984-04-27), average 253.41 m, 366 days measured1985: lowest 252.97 m (1985-10-17), highest 253.99 m (1985-06-17), average 253.37 m, 365 days measured1986: lowest 253.05 m (1986-10-09), highest 254.05 m (1986-11-08), average 253.37 m, 365 days measured1987: lowest 252.91 m (1987-11-10), highest 253.60 m (1987-10-05), average 253.26 m, 365 days measured1988: lowest 252.89 m (1988-10-22), highest 253.74 m (1988-05-15), average 253.28 m, 366 days measured1989: lowest 252.55 m (1989-10-19), highest 253.55 m (1989-06-12), average 253.01 m, 365 days measured1990: lowest 252.77 m (1990-11-07), highest 253.65 m (1990-06-02), average 253.06 m, 365 days measured1991: lowest 252.19 m (1991-10-17), highest 253.41 m (1991-04-30), average 252.87 m, 365 days measured1992: lowest 252.52 m (1992-11-07), highest 253.30 m (1992-05-21), average 252.80 m, 366 days measured1993: lowest 252.54 m (1993-06-19), highest 253.70 m (1993-10-28), average 252.91 m, 365 days measured1994: lowest 252.83 m (1994-09-26), highest 253.51 m (1994-07-20), average 253.15 m, 365 days measured1995: lowest 252.90 m (1995-08-09), highest 253.80 m (1995-11-02), average 253.27 m, 365 days measured1996: lowest 253.31 m (1996-01-07), highest 254.07 m (1996-10-30), average 253.58 m, 366 days measured1997: lowest 253.39 m (1997-10-26), highest 254.17 m (1997-08-09), average 253.69 m, 365 days measured1998: lowest 253.01 m (1998-10-14), highest 253.74 m (1998-06-21), average 253.46 m, 365 days measured1999: lowest 253.00 m (1999-11-11), highest 253.89 m (1999-05-07), average 253.32 m, 365 days measured2000: lowest 252.59 m (2000-10-28), highest 253.88 m (2000-11-07), average 253.10 m, 366 days measured2001: lowest 252.62 m (2001-10-17), highest 254.01 m (2001-06-15), average 253.05 m, 365 days measured2002: lowest 252.37 m (2002-09-29), highest 253.23 m (2002-05-22), average 252.80 m, 365 days measured2003: lowest 252.34 m (2003-08-23), highest 253.12 m (2003-05-10), average 252.66 m, 365 days measured2004: lowest 252.54 m (2004-01-05), highest 253.53 m (2004-10-15), average 252.87 m, 366 days measured2005: lowest 252.87 m (2005-10-07), highest 253.82 m (2005-05-01), average 253.32 m, 365 days measured2006: lowest 253.37 m (2006-01-09), highest 254.39 m (2006-10-12), average 253.65 m, 365 days measured2007: lowest 253.53 m (2007-11-10), highest 254.25 m (2007-07-11), average 253.80 m, 365 days measured2008: lowest 252.88 m (2008-10-21), highest 254.09 m (2008-07-12), average 253.55 m, 287 days measured2009: lowest 253.01 m (2009-09-30), highest 253.77 m (2009-05-13), average 253.33 m, 365 days measured2010: lowest 253.02 m (2010-05-23), highest 255.01 m (2010-10-27), average 253.58 m, 331 days measured2011: lowest 253.90 m (2011-10-20), highest 254.86 m (2011-05-31), average 254.19 m, 340 days measured2012: lowest 253.50 m (2012-10-29), highest 254.21 m (2012-08-04), average 253.84 m, 366 days measured2013: lowest 253.64 m (2013-04-25), highest 254.37 m (2013-10-12), average 253.85 m, 365 days measured2014: lowest 253.65 m (2014-10-31), highest 254.72 m (2014-07-01), average 254.00 m, 334 days measured2015: lowest 253.29 m (2015-10-02), highest 254.40 m (2015-05-17), average 253.68 m, 365 days measured2016: lowest 253.42 m (2016-01-22), highest 254.72 m (2016-12-07), average 253.71 m, 366 days measured2017: lowest 253.70 m (2017-10-28), highest 254.62 m (2017-06-23), average 254.07 m, 352 days measured2018: lowest 253.35 m (2018-11-04), highest 254.00 m (2018-07-25), average 253.68 m, 359 days measured2019: lowest 252.99 m (2019-10-04), highest 254.18 m (2019-10-12), average 253.41 m, 365 days measured2020: lowest 252.88 m (2020-10-11), highest 253.55 m (2020-05-28), average 253.20 m, 347 days measured2021: lowest 252.43 m (2021-10-26), highest 253.44 m (2021-05-25), average 252.99 m, 359 days measured2022: lowest 252.77 m (2022-01-14), highest 254.01 m (2022-05-31), average 253.30 m, 270 days measured2023: lowest 252.72 m (2023-11-12), highest 253.57 m (2023-05-18), average 253.20 m, 365 days measured2024: lowest 252.76 m (2024-11-12), highest 253.73 m (2024-11-20), average 253.17 m, 366 days measured2025: lowest 252.79 m (2025-11-10), highest 253.91 m (2025-05-16), average 253.16 m, 365 days measured2026: lowest 253.71 m (2026-10-05), highest 254.15 m (2026-10-11), average 253.88 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.

  • 1942251.890 m on Jun 17
  • 1941251.942 m on Sep 14
  • 1963252.054 m on Nov 2
  • 1964252.073 m on Sep 30
  • 1940252.103 m on Oct 21

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)253.878253.712Oct 5254.153Oct 11
2025253.162252.788Nov 10253.911May 16
2024253.166252.764Nov 12253.730Nov 20
2023253.201252.720Nov 12253.572May 18
2022 (270 days)253.295252.765Jan 14254.009May 31
2021252.986252.435Oct 26253.440May 25
2020253.199252.879Oct 11253.549May 28
2019253.406252.985Oct 4254.176Oct 12
2018253.679253.349Nov 4253.997Jul 25
2017254.069253.698Oct 28254.619Jun 23
2016253.705253.420Jan 22254.716Dec 7
2015253.679253.294Oct 2254.397May 17
2014253.998253.651Oct 31254.717Jul 1
2013253.851253.644Apr 25254.373Oct 12
2012253.839253.504Oct 29254.208Aug 4
2011254.186253.897Oct 20254.863May 31
2010253.577253.016May 23255.008Oct 27
2009253.332253.011Sep 30253.765May 13
2008 (287 days)253.555252.880Oct 21254.086Jul 12
2007253.800253.528Nov 10254.246Jul 11
2006253.653253.374Jan 9254.387Oct 12
2005253.319252.865Oct 7253.824May 1
2004252.865252.537Jan 5253.527Oct 15
2003252.656252.343Aug 23253.115May 10
2002252.802252.371Sep 29253.230May 22
2001253.054252.616Oct 17254.005Jun 15
2000253.096252.592Oct 28253.882Nov 7
1999253.317253.002Nov 11253.888May 7
1998253.464253.009Oct 14253.742Jun 21
1997253.692253.391Oct 26254.169Aug 9
1996253.584253.308Jan 7254.068Oct 30
1995253.265252.899Aug 9253.804Nov 2
1994253.148252.830Sep 26253.510Jul 20
1993252.910252.538Jun 19253.696Oct 28
1992252.797252.515Nov 7253.304May 21
1991252.868252.193Oct 17253.413Apr 30
1990253.065252.769Nov 7253.653Jun 2
1989253.010252.547Oct 19253.548Jun 12
1988253.281252.887Oct 22253.736May 15
1987253.255252.912Nov 10253.602Oct 5
1986253.372253.054Oct 9254.049Nov 8
1985253.371252.972Oct 17253.987Jun 17
1984253.408253.087Sep 6254.153Apr 27
1983253.223252.882Jan 2253.759Jul 23
1982252.881252.553Sep 25253.413Aug 8
1981252.916252.293Oct 2253.457Jun 18
1980253.191252.712Oct 9253.598May 10
1979253.406253.078Jan 7253.969Aug 13
1978253.201252.847Oct 16253.588May 31
1977253.214252.704Nov 12253.767Nov 20
1976253.446253.051Oct 27253.978Jun 14
1975253.500253.161Nov 13254.389Sep 19
1974253.452253.072Nov 21253.984Jul 28
1973253.176252.795Oct 28253.609Jun 19
1972253.312252.890Oct 9253.865Jun 14
1971253.394253.027Sep 11253.993Nov 6
1970253.216252.914Jul 1253.865Oct 2
1969253.097252.722Sep 19253.655Nov 13
1968253.161252.649Nov 12253.776May 15
1967253.362252.710Oct 28253.917Jun 21
1966253.220252.920Jan 7253.749Sep 4
1965252.766252.460Jan 2253.618May 26
1964252.438252.073Sep 30252.841Aug 11
1963252.435252.054Nov 2252.993May 20
1962252.547252.115Nov 5253.078May 30
1961252.819252.323Nov 1253.185Jun 19
1960253.104252.649Oct 24253.542Jun 29
1959252.954252.704Oct 1253.734Jun 28
1958253.030252.445Oct 2253.837May 18
1957253.362253.021Nov 3254.008Jun 16
1956253.529253.258Sep 20254.020Nov 7
1955253.869253.380Oct 26254.325May 4
1954 (288 days)253.924253.670Jan 2254.599Nov 13
1953253.420253.030Jan 1254.615Sep 3
1952253.250252.633Oct 25254.020May 27
1951253.034252.755Aug 22253.517Oct 16
1950252.985252.627Aug 29253.664Aug 18
1949253.185252.710Oct 5253.749May 17
1948253.478253.115Oct 5254.109Jul 16
1947253.078252.658Jun 20253.972Sep 14
1946252.797252.484Nov 13253.490Nov 16
1945252.666252.448Feb 9253.261Jun 29
1944252.617252.249Nov 5253.277Nov 2
1943252.672252.283Oct 21253.831Sep 7
1942252.352251.890Jun 17253.149Sep 23
1941252.347251.942Sep 14252.780May 9
1940252.538252.103Oct 21252.923Jun 10
1939252.685252.384Nov 3253.072Oct 15
1938252.797252.414Oct 6253.377Jun 7
1937252.933252.493Oct 16254.292Jun 6
1936253.140252.783Oct 26253.926Jun 8
1935253.083252.813Sep 27253.874Jun 3
1934252.984252.667Nov 2253.459Aug 19
1933252.682252.371Sep 1253.258Oct 21
1932252.602252.234Oct 30252.960Oct 24
1931252.617252.204Oct 8253.112May 19
1930252.746252.341Oct 31253.484Oct 17
1929252.905252.448Nov 4253.331May 30
1928253.306252.509Oct 18253.789Sep 24
1927253.295252.911Feb 7253.911Sep 18
1926253.169252.804Sep 20254.023Sep 23
1925253.338253.118Jan 4254.078Jun 8
1924253.365252.798Oct 12253.712Jul 12
1923253.627253.264Sep 19254.087Jul 23
1922253.678253.298Oct 12254.240May 18
1921253.203252.737Apr 1253.965Sep 11
1920252.975252.640Oct 1253.603Sep 28
1919252.895252.493Aug 31253.271Oct 22
1918 (275 days)253.144252.707Nov 4253.895May 11
1917 (195 days)253.368252.786Oct 23254.097Jun 13
1916 (234 days)253.093252.734Apr 11253.755Sep 21
1915 (182 days)253.004252.554Aug 4253.633Jun 5
1914 (214 days)253.479253.018Nov 1254.011Jul 16
1913 (169 days)254.020253.578Oct 16254.688Sep 19

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

Monthly averages

MonthAverageLowestHighest
January253.101252.143254.177
February253.115252.155254.155
March253.127252.155254.156
April253.169252.167254.234
May253.263252.268254.863
June253.315251.890254.644
July253.300252.219254.717
August253.246252.088254.549
September253.197251.942254.688
October253.150252.064255.008
November253.102252.051254.599
December253.083252.152254.716

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Daily levels as CSV (39,879 rows; credit the original agencies listed below)