Country: Canada
United StatesCanadaUnited Kingdom

Kootenay Lake water level history

Daily records since 1931 · Level today: 531.257 m

Highest on record
537.033 m
Jun 9, 1961
Lowest on record
529.563 m
Apr 5, 1944
Today
531.257 m
Oct 23, 2026
Years of data
96
since 1931

In short

Across 94 complete years, 2001 had the lowest average level (531.047 m) and 1951 the highest (532.457 m).

On average the lake is lowest in March (530.471 m) and highest in June (533.318 m).

Kootenay Lake level, all years

Loading chart…

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

Each year's lowest and highest level

5295315335355371931194319551967197919912003201520261931: lowest 530.12 m (1931-01-24), highest 533.58 m (1931-06-12), average 531.27 m, 327 days measured1932: lowest 530.12 m (1932-02-20), highest 535.72 m (1932-06-19), average 531.83 m, 353 days measured1933: lowest 530.29 m (1933-02-16), highest 536.73 m (1933-06-22), average 532.08 m, 343 days measured1934: lowest 530.57 m (1934-10-19), highest 535.98 m (1934-06-02), average 532.05 m, 354 days measured1935: lowest 530.43 m (1935-12-29), highest 535.38 m (1935-06-17), average 531.72 m, 351 days measured1936: lowest 530.07 m (1936-02-20), highest 535.02 m (1936-06-04), average 531.34 m, 363 days measured1937: lowest 530.18 m (1937-03-30), highest 534.25 m (1937-06-23), average 531.48 m, 353 days measured1938: lowest 530.33 m (1938-03-11), highest 535.95 m (1938-06-07), average 531.88 m, 362 days measured1939: lowest 529.70 m (1939-03-20), highest 533.63 m (1939-06-01), average 531.61 m, 365 days measured1940: lowest 530.23 m (1940-04-13), highest 533.60 m (1940-05-30), average 531.67 m, 366 days measured1941: lowest 530.34 m (1941-03-31), highest 532.69 m (1941-12-04), average 531.94 m, 365 days measured1942: lowest 530.07 m (1942-04-06), highest 534.38 m (1942-06-11), average 532.10 m, 365 days measured1943: lowest 529.76 m (1943-03-27), highest 534.11 m (1943-07-10), average 531.96 m, 365 days measured1944: lowest 529.56 m (1944-04-05), highest 532.59 m (1944-06-08), average 531.23 m, 366 days measured1945: lowest 529.62 m (1945-04-20), highest 533.95 m (1945-06-08), average 531.55 m, 365 days measured1946: lowest 530.13 m (1946-04-12), highest 535.13 m (1946-06-07), average 532.08 m, 365 days measured1947: lowest 530.38 m (1947-03-31), highest 534.63 m (1947-05-16), average 532.01 m, 364 days measured1948: lowest 530.13 m (1948-04-15), highest 536.68 m (1948-06-11), average 532.03 m, 366 days measured1949: lowest 529.66 m (1949-03-20), highest 534.49 m (1949-05-20), average 531.80 m, 365 days measured1950: lowest 530.00 m (1950-04-12), highest 535.91 m (1950-06-25), average 532.34 m, 365 days measured1951: lowest 530.14 m (1951-03-31), highest 535.04 m (1951-05-27), average 532.46 m, 365 days measured1952: lowest 530.01 m (1952-04-07), highest 534.21 m (1952-05-30), average 532.14 m, 366 days measured1953: lowest 529.68 m (1953-04-20), highest 535.07 m (1953-06-18), average 532.12 m, 365 days measured1954: lowest 530.06 m (1954-04-02), highest 535.51 m (1954-05-28), average 532.20 m, 365 days measured1955: lowest 530.09 m (1955-04-08), highest 535.74 m (1955-06-28), average 531.90 m, 365 days measured1956: lowest 530.27 m (1956-04-11), highest 536.92 m (1956-06-06), average 532.17 m, 366 days measured1957: lowest 530.15 m (1957-04-01), highest 534.90 m (1957-05-24), average 531.84 m, 365 days measured1958: lowest 530.07 m (1958-04-04), highest 535.28 m (1958-05-30), average 531.83 m, 365 days measured1959: lowest 530.13 m (1959-03-31), highest 535.51 m (1959-06-26), average 532.11 m, 365 days measured1960: lowest 530.39 m (1960-03-25), highest 534.48 m (1960-06-18), average 531.98 m, 366 days measured1961: lowest 530.15 m (1961-04-01), highest 537.03 m (1961-06-09), average 532.03 m, 365 days measured1962: lowest 530.14 m (1962-03-31), highest 534.17 m (1962-06-23), average 531.84 m, 365 days measured1963: lowest 530.13 m (1963-04-05), highest 534.35 m (1963-06-19), average 531.81 m, 365 days measured1964: lowest 530.06 m (1964-04-07), highest 535.44 m (1964-06-17), average 531.88 m, 366 days measured1965: lowest 530.12 m (1965-03-31), highest 534.72 m (1965-06-21), average 531.98 m, 365 days measured1966: lowest 530.23 m (1966-03-30), highest 534.94 m (1966-06-11), average 532.19 m, 365 days measured1967: lowest 530.06 m (1967-04-03), highest 535.74 m (1967-06-23), average 531.93 m, 365 days measured1968: lowest 530.12 m (1968-04-06), highest 534.40 m (1968-06-13), average 531.81 m, 366 days measured1969: lowest 530.20 m (1969-03-31), highest 535.03 m (1969-06-09), average 532.05 m, 365 days measured1970: lowest 530.08 m (1970-05-01), highest 533.96 m (1970-06-10), average 531.56 m, 365 days measured1971: lowest 530.10 m (1971-04-02), highest 534.95 m (1971-06-09), average 532.00 m, 365 days measured1972: lowest 530.26 m (1972-04-27), highest 534.68 m (1972-06-12), average 531.87 m, 366 days measured1973: lowest 530.05 m (1973-04-23), highest 531.97 m (1973-11-14), average 531.37 m, 365 days measured1974: lowest 530.20 m (1974-03-29), highest 534.69 m (1974-06-24), average 531.90 m, 365 days measured1975: lowest 529.90 m (1975-04-10), highest 532.64 m (1975-06-15), average 531.47 m, 365 days measured1976: lowest 530.10 m (1976-04-01), highest 532.56 m (1976-07-21), average 531.56 m, 366 days measured1977: lowest 529.97 m (1977-04-12), highest 531.95 m (1977-10-21), average 531.26 m, 365 days measured1978: lowest 530.04 m (1978-04-26), highest 532.66 m (1978-06-12), average 531.40 m, 365 days measured1979: lowest 529.88 m (1979-04-16), highest 531.97 m (1979-11-08), average 531.23 m, 365 days measured1980: lowest 529.78 m (1980-04-05), highest 532.90 m (1980-05-09), average 531.48 m, 366 days measured1981: lowest 529.76 m (1981-04-18), highest 533.27 m (1981-07-10), average 531.64 m, 365 days measured1982: lowest 530.04 m (1982-04-08), highest 533.09 m (1982-06-23), average 531.55 m, 365 days measured1983: lowest 529.98 m (1983-04-07), highest 532.96 m (1983-06-03), average 531.47 m, 365 days measured1984: lowest 529.97 m (1984-04-15), highest 532.65 m (1984-06-30), average 531.34 m, 366 days measured1985: lowest 530.02 m (1985-04-03), highest 532.58 m (1985-06-03), average 531.37 m, 365 days measured1986: lowest 530.22 m (1986-03-28), highest 533.02 m (1986-06-06), average 531.45 m, 365 days measured1987: lowest 529.97 m (1987-04-03), highest 532.28 m (1987-05-18), average 531.36 m, 365 days measured1988: lowest 530.01 m (1988-04-03), highest 532.05 m (1988-05-31), average 531.37 m, 366 days measured1989: lowest 530.05 m (1989-04-06), highest 532.41 m (1989-06-16), average 531.44 m, 365 days measured1990: lowest 530.15 m (1990-04-01), highest 533.23 m (1990-06-28), average 531.62 m, 365 days measured1991: lowest 530.11 m (1991-03-31), highest 533.41 m (1991-06-13), average 531.74 m, 365 days measured1992: lowest 530.06 m (1992-04-14), highest 531.91 m (1992-06-14), average 531.37 m, 366 days measured1993: lowest 530.05 m (1993-04-04), highest 532.15 m (1993-05-23), average 531.27 m, 365 days measured1994: lowest 530.11 m (1994-04-03), highest 532.19 m (1994-06-29), average 531.23 m, 365 days measured1995: lowest 529.95 m (1995-04-24), highest 533.32 m (1995-06-07), average 531.40 m, 365 days measured1996: lowest 530.10 m (1996-04-07), highest 533.95 m (1996-06-11), average 531.87 m, 366 days measured1997: lowest 530.30 m (1997-03-19), highest 534.24 m (1997-06-12), average 531.86 m, 365 days measured1998: lowest 529.93 m (1998-04-21), highest 533.12 m (1998-06-02), average 531.48 m, 365 days measured1999: lowest 529.88 m (1999-04-17), highest 533.42 m (1999-06-26), average 531.61 m, 365 days measured2000: lowest 529.92 m (2000-04-03), highest 532.86 m (2000-06-30), average 531.47 m, 366 days measured2001: lowest 529.74 m (2001-04-06), highest 531.86 m (2001-05-30), average 531.05 m, 365 days measured2002: lowest 529.75 m (2002-04-01), highest 533.77 m (2002-06-30), average 531.43 m, 365 days measured2003: lowest 530.01 m (2003-03-12), highest 533.08 m (2003-06-19), average 531.25 m, 365 days measured2004: lowest 530.03 m (2004-03-30), highest 532.21 m (2004-06-15), average 531.28 m, 366 days measured2005: lowest 529.92 m (2005-04-20), highest 532.58 m (2005-06-23), average 531.38 m, 365 days measured2006: lowest 530.15 m (2006-04-05), highest 533.86 m (2006-06-20), average 531.48 m, 365 days measured2007: lowest 530.46 m (2007-03-11), highest 533.48 m (2007-06-07), average 531.69 m, 365 days measured2008: lowest 529.71 m (2008-04-08), highest 533.30 m (2008-06-04), average 531.38 m, 366 days measured2009: lowest 529.86 m (2009-04-08), highest 532.75 m (2009-06-19), average 531.16 m, 365 days measured2010: lowest 529.93 m (2010-04-15), highest 532.97 m (2010-06-18), average 531.31 m, 365 days measured2011: lowest 530.50 m (2011-04-23), highest 533.91 m (2011-06-16), average 531.70 m, 365 days measured2012: lowest 530.25 m (2012-03-26), highest 534.54 m (2012-07-04), average 531.87 m, 366 days measured2013: lowest 530.10 m (2013-04-01), highest 533.19 m (2013-06-25), average 531.57 m, 365 days measured2014: lowest 530.25 m (2014-03-25), highest 533.50 m (2014-05-27), average 531.61 m, 360 days measured2015: lowest 530.39 m (2015-03-14), highest 532.53 m (2015-06-09), average 531.25 m, 365 days measured2016: lowest 530.42 m (2016-03-08), highest 532.80 m (2016-05-27), average 531.49 m, 366 days measured2017: lowest 530.00 m (2017-03-14), highest 533.73 m (2017-06-09), average 531.53 m, 365 days measured2018: lowest 530.09 m (2018-04-14), highest 534.07 m (2018-05-27), average 531.41 m, 365 days measured2019: lowest 529.91 m (2019-04-05), highest 532.26 m (2019-06-04), average 531.22 m, 365 days measured2020: lowest 529.98 m (2020-03-27), highest 533.41 m (2020-06-04), average 531.46 m, 366 days measured2021: lowest 529.92 m (2021-03-31), highest 532.59 m (2021-06-05), average 531.20 m, 365 days measured2022: lowest 529.92 m (2022-04-25), highest 533.88 m (2022-06-15), average 531.47 m, 365 days measured2023: lowest 530.06 m (2023-04-27), highest 532.93 m (2023-05-23), average 531.31 m, 365 days measured2024: lowest 530.11 m (2024-04-14), highest 532.07 m (2024-06-04), average 531.16 m, 366 days measured2025: lowest 530.22 m (2025-04-07), highest 532.28 m (2025-06-15), average 531.25 m, 365 days measured2026: lowest 531.26 m (2026-10-21), highest 531.36 m (2026-10-05), average 531.33 m, 30 days measured
529531533535537193119551979200320261931: lowest 530.12 m (1931-01-24), highest 533.58 m (1931-06-12), average 531.27 m, 327 days measured1932: lowest 530.12 m (1932-02-20), highest 535.72 m (1932-06-19), average 531.83 m, 353 days measured1933: lowest 530.29 m (1933-02-16), highest 536.73 m (1933-06-22), average 532.08 m, 343 days measured1934: lowest 530.57 m (1934-10-19), highest 535.98 m (1934-06-02), average 532.05 m, 354 days measured1935: lowest 530.43 m (1935-12-29), highest 535.38 m (1935-06-17), average 531.72 m, 351 days measured1936: lowest 530.07 m (1936-02-20), highest 535.02 m (1936-06-04), average 531.34 m, 363 days measured1937: lowest 530.18 m (1937-03-30), highest 534.25 m (1937-06-23), average 531.48 m, 353 days measured1938: lowest 530.33 m (1938-03-11), highest 535.95 m (1938-06-07), average 531.88 m, 362 days measured1939: lowest 529.70 m (1939-03-20), highest 533.63 m (1939-06-01), average 531.61 m, 365 days measured1940: lowest 530.23 m (1940-04-13), highest 533.60 m (1940-05-30), average 531.67 m, 366 days measured1941: lowest 530.34 m (1941-03-31), highest 532.69 m (1941-12-04), average 531.94 m, 365 days measured1942: lowest 530.07 m (1942-04-06), highest 534.38 m (1942-06-11), average 532.10 m, 365 days measured1943: lowest 529.76 m (1943-03-27), highest 534.11 m (1943-07-10), average 531.96 m, 365 days measured1944: lowest 529.56 m (1944-04-05), highest 532.59 m (1944-06-08), average 531.23 m, 366 days measured1945: lowest 529.62 m (1945-04-20), highest 533.95 m (1945-06-08), average 531.55 m, 365 days measured1946: lowest 530.13 m (1946-04-12), highest 535.13 m (1946-06-07), average 532.08 m, 365 days measured1947: lowest 530.38 m (1947-03-31), highest 534.63 m (1947-05-16), average 532.01 m, 364 days measured1948: lowest 530.13 m (1948-04-15), highest 536.68 m (1948-06-11), average 532.03 m, 366 days measured1949: lowest 529.66 m (1949-03-20), highest 534.49 m (1949-05-20), average 531.80 m, 365 days measured1950: lowest 530.00 m (1950-04-12), highest 535.91 m (1950-06-25), average 532.34 m, 365 days measured1951: lowest 530.14 m (1951-03-31), highest 535.04 m (1951-05-27), average 532.46 m, 365 days measured1952: lowest 530.01 m (1952-04-07), highest 534.21 m (1952-05-30), average 532.14 m, 366 days measured1953: lowest 529.68 m (1953-04-20), highest 535.07 m (1953-06-18), average 532.12 m, 365 days measured1954: lowest 530.06 m (1954-04-02), highest 535.51 m (1954-05-28), average 532.20 m, 365 days measured1955: lowest 530.09 m (1955-04-08), highest 535.74 m (1955-06-28), average 531.90 m, 365 days measured1956: lowest 530.27 m (1956-04-11), highest 536.92 m (1956-06-06), average 532.17 m, 366 days measured1957: lowest 530.15 m (1957-04-01), highest 534.90 m (1957-05-24), average 531.84 m, 365 days measured1958: lowest 530.07 m (1958-04-04), highest 535.28 m (1958-05-30), average 531.83 m, 365 days measured1959: lowest 530.13 m (1959-03-31), highest 535.51 m (1959-06-26), average 532.11 m, 365 days measured1960: lowest 530.39 m (1960-03-25), highest 534.48 m (1960-06-18), average 531.98 m, 366 days measured1961: lowest 530.15 m (1961-04-01), highest 537.03 m (1961-06-09), average 532.03 m, 365 days measured1962: lowest 530.14 m (1962-03-31), highest 534.17 m (1962-06-23), average 531.84 m, 365 days measured1963: lowest 530.13 m (1963-04-05), highest 534.35 m (1963-06-19), average 531.81 m, 365 days measured1964: lowest 530.06 m (1964-04-07), highest 535.44 m (1964-06-17), average 531.88 m, 366 days measured1965: lowest 530.12 m (1965-03-31), highest 534.72 m (1965-06-21), average 531.98 m, 365 days measured1966: lowest 530.23 m (1966-03-30), highest 534.94 m (1966-06-11), average 532.19 m, 365 days measured1967: lowest 530.06 m (1967-04-03), highest 535.74 m (1967-06-23), average 531.93 m, 365 days measured1968: lowest 530.12 m (1968-04-06), highest 534.40 m (1968-06-13), average 531.81 m, 366 days measured1969: lowest 530.20 m (1969-03-31), highest 535.03 m (1969-06-09), average 532.05 m, 365 days measured1970: lowest 530.08 m (1970-05-01), highest 533.96 m (1970-06-10), average 531.56 m, 365 days measured1971: lowest 530.10 m (1971-04-02), highest 534.95 m (1971-06-09), average 532.00 m, 365 days measured1972: lowest 530.26 m (1972-04-27), highest 534.68 m (1972-06-12), average 531.87 m, 366 days measured1973: lowest 530.05 m (1973-04-23), highest 531.97 m (1973-11-14), average 531.37 m, 365 days measured1974: lowest 530.20 m (1974-03-29), highest 534.69 m (1974-06-24), average 531.90 m, 365 days measured1975: lowest 529.90 m (1975-04-10), highest 532.64 m (1975-06-15), average 531.47 m, 365 days measured1976: lowest 530.10 m (1976-04-01), highest 532.56 m (1976-07-21), average 531.56 m, 366 days measured1977: lowest 529.97 m (1977-04-12), highest 531.95 m (1977-10-21), average 531.26 m, 365 days measured1978: lowest 530.04 m (1978-04-26), highest 532.66 m (1978-06-12), average 531.40 m, 365 days measured1979: lowest 529.88 m (1979-04-16), highest 531.97 m (1979-11-08), average 531.23 m, 365 days measured1980: lowest 529.78 m (1980-04-05), highest 532.90 m (1980-05-09), average 531.48 m, 366 days measured1981: lowest 529.76 m (1981-04-18), highest 533.27 m (1981-07-10), average 531.64 m, 365 days measured1982: lowest 530.04 m (1982-04-08), highest 533.09 m (1982-06-23), average 531.55 m, 365 days measured1983: lowest 529.98 m (1983-04-07), highest 532.96 m (1983-06-03), average 531.47 m, 365 days measured1984: lowest 529.97 m (1984-04-15), highest 532.65 m (1984-06-30), average 531.34 m, 366 days measured1985: lowest 530.02 m (1985-04-03), highest 532.58 m (1985-06-03), average 531.37 m, 365 days measured1986: lowest 530.22 m (1986-03-28), highest 533.02 m (1986-06-06), average 531.45 m, 365 days measured1987: lowest 529.97 m (1987-04-03), highest 532.28 m (1987-05-18), average 531.36 m, 365 days measured1988: lowest 530.01 m (1988-04-03), highest 532.05 m (1988-05-31), average 531.37 m, 366 days measured1989: lowest 530.05 m (1989-04-06), highest 532.41 m (1989-06-16), average 531.44 m, 365 days measured1990: lowest 530.15 m (1990-04-01), highest 533.23 m (1990-06-28), average 531.62 m, 365 days measured1991: lowest 530.11 m (1991-03-31), highest 533.41 m (1991-06-13), average 531.74 m, 365 days measured1992: lowest 530.06 m (1992-04-14), highest 531.91 m (1992-06-14), average 531.37 m, 366 days measured1993: lowest 530.05 m (1993-04-04), highest 532.15 m (1993-05-23), average 531.27 m, 365 days measured1994: lowest 530.11 m (1994-04-03), highest 532.19 m (1994-06-29), average 531.23 m, 365 days measured1995: lowest 529.95 m (1995-04-24), highest 533.32 m (1995-06-07), average 531.40 m, 365 days measured1996: lowest 530.10 m (1996-04-07), highest 533.95 m (1996-06-11), average 531.87 m, 366 days measured1997: lowest 530.30 m (1997-03-19), highest 534.24 m (1997-06-12), average 531.86 m, 365 days measured1998: lowest 529.93 m (1998-04-21), highest 533.12 m (1998-06-02), average 531.48 m, 365 days measured1999: lowest 529.88 m (1999-04-17), highest 533.42 m (1999-06-26), average 531.61 m, 365 days measured2000: lowest 529.92 m (2000-04-03), highest 532.86 m (2000-06-30), average 531.47 m, 366 days measured2001: lowest 529.74 m (2001-04-06), highest 531.86 m (2001-05-30), average 531.05 m, 365 days measured2002: lowest 529.75 m (2002-04-01), highest 533.77 m (2002-06-30), average 531.43 m, 365 days measured2003: lowest 530.01 m (2003-03-12), highest 533.08 m (2003-06-19), average 531.25 m, 365 days measured2004: lowest 530.03 m (2004-03-30), highest 532.21 m (2004-06-15), average 531.28 m, 366 days measured2005: lowest 529.92 m (2005-04-20), highest 532.58 m (2005-06-23), average 531.38 m, 365 days measured2006: lowest 530.15 m (2006-04-05), highest 533.86 m (2006-06-20), average 531.48 m, 365 days measured2007: lowest 530.46 m (2007-03-11), highest 533.48 m (2007-06-07), average 531.69 m, 365 days measured2008: lowest 529.71 m (2008-04-08), highest 533.30 m (2008-06-04), average 531.38 m, 366 days measured2009: lowest 529.86 m (2009-04-08), highest 532.75 m (2009-06-19), average 531.16 m, 365 days measured2010: lowest 529.93 m (2010-04-15), highest 532.97 m (2010-06-18), average 531.31 m, 365 days measured2011: lowest 530.50 m (2011-04-23), highest 533.91 m (2011-06-16), average 531.70 m, 365 days measured2012: lowest 530.25 m (2012-03-26), highest 534.54 m (2012-07-04), average 531.87 m, 366 days measured2013: lowest 530.10 m (2013-04-01), highest 533.19 m (2013-06-25), average 531.57 m, 365 days measured2014: lowest 530.25 m (2014-03-25), highest 533.50 m (2014-05-27), average 531.61 m, 360 days measured2015: lowest 530.39 m (2015-03-14), highest 532.53 m (2015-06-09), average 531.25 m, 365 days measured2016: lowest 530.42 m (2016-03-08), highest 532.80 m (2016-05-27), average 531.49 m, 366 days measured2017: lowest 530.00 m (2017-03-14), highest 533.73 m (2017-06-09), average 531.53 m, 365 days measured2018: lowest 530.09 m (2018-04-14), highest 534.07 m (2018-05-27), average 531.41 m, 365 days measured2019: lowest 529.91 m (2019-04-05), highest 532.26 m (2019-06-04), average 531.22 m, 365 days measured2020: lowest 529.98 m (2020-03-27), highest 533.41 m (2020-06-04), average 531.46 m, 366 days measured2021: lowest 529.92 m (2021-03-31), highest 532.59 m (2021-06-05), average 531.20 m, 365 days measured2022: lowest 529.92 m (2022-04-25), highest 533.88 m (2022-06-15), average 531.47 m, 365 days measured2023: lowest 530.06 m (2023-04-27), highest 532.93 m (2023-05-23), average 531.31 m, 365 days measured2024: lowest 530.11 m (2024-04-14), highest 532.07 m (2024-06-04), average 531.16 m, 366 days measured2025: lowest 530.22 m (2025-04-07), highest 532.28 m (2025-06-15), average 531.25 m, 365 days measured2026: lowest 531.26 m (2026-10-21), highest 531.36 m (2026-10-05), average 531.33 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.

  • 1944529.563 m on Apr 5
  • 1945529.617 m on Apr 20
  • 1949529.657 m on Mar 20
  • 1953529.681 m on Apr 20
  • 1939529.703 m on Mar 20

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)531.329531.261Oct 21531.359Oct 5
2025531.246530.220Apr 7532.283Jun 15
2024531.162530.107Apr 14532.066Jun 4
2023531.308530.060Apr 27532.931May 23
2022531.469529.919Apr 25533.877Jun 15
2021531.198529.918Mar 31532.588Jun 5
2020531.463529.980Mar 27533.413Jun 4
2019531.219529.907Apr 5532.264Jun 4
2018531.407530.094Apr 14534.073May 27
2017531.531530.003Mar 14533.725Jun 9
2016531.494530.420Mar 8532.804May 27
2015531.252530.390Mar 14532.526Jun 9
2014531.607530.250Mar 25533.495May 27
2013531.574530.098Apr 1533.191Jun 25
2012531.869530.245Mar 26534.538Jul 4
2011531.700530.500Apr 23533.914Jun 16
2010531.308529.927Apr 15532.973Jun 18
2009531.163529.863Apr 8532.745Jun 19
2008531.380529.713Apr 8533.296Jun 4
2007531.693530.460Mar 11533.480Jun 7
2006531.482530.146Apr 5533.858Jun 20
2005531.380529.921Apr 20532.584Jun 23
2004531.279530.027Mar 30532.212Jun 15
2003531.250530.007Mar 12533.078Jun 19
2002531.426529.754Apr 1533.770Jun 30
2001531.047529.744Apr 6531.857May 30
2000531.467529.921Apr 3532.861Jun 30
1999531.614529.877Apr 17533.424Jun 26
1998531.484529.929Apr 21533.118Jun 2
1997531.859530.299Mar 19534.240Jun 12
1996531.874530.102Apr 7533.952Jun 11
1995531.399529.953Apr 24533.321Jun 7
1994531.226530.107Apr 3532.192Jun 29
1993531.267530.045Apr 4532.146May 23
1992531.366530.055Apr 14531.906Jun 14
1991531.744530.109Mar 31533.412Jun 13
1990531.621530.154Apr 1533.225Jun 28
1989531.445530.048Apr 6532.405Jun 16
1988531.366530.014Apr 3532.051May 31
1987531.365529.965Apr 3532.277May 18
1986531.449530.220Mar 28533.016Jun 6
1985531.367530.021Apr 3532.577Jun 3
1984531.340529.967Apr 15532.647Jun 30
1983531.466529.979Apr 7532.959Jun 3
1982531.553530.040Apr 8533.094Jun 23
1981531.635529.755Apr 18533.270Jul 10
1980531.478529.784Apr 5532.898May 9
1979531.229529.876Apr 16531.972Nov 8
1978531.399530.038Apr 26532.656Jun 12
1977531.256529.965Apr 12531.949Oct 21
1976531.561530.102Apr 1532.556Jul 21
1975531.469529.904Apr 10532.644Jun 15
1974531.903530.200Mar 29534.689Jun 24
1973531.375530.053Apr 23531.970Nov 14
1972531.866530.258Apr 27534.677Jun 12
1971531.996530.099Apr 2534.951Jun 9
1970531.563530.084May 1533.964Jun 10
1969532.051530.200Mar 31535.025Jun 9
1968531.808530.123Apr 6534.403Jun 13
1967531.933530.059Apr 3535.741Jun 23
1966532.190530.233Mar 30534.936Jun 11
1965531.975530.117Mar 31534.720Jun 21
1964531.880530.056Apr 7535.442Jun 17
1963531.809530.129Apr 5534.351Jun 19
1962531.842530.136Mar 31534.168Jun 23
1961532.034530.154Apr 1537.033Jun 9
1960531.977530.386Mar 25534.482Jun 18
1959532.108530.133Mar 31535.506Jun 26
1958531.827530.069Apr 4535.275May 30
1957531.844530.145Apr 1534.897May 24
1956532.174530.273Apr 11536.920Jun 6
1955531.899530.093Apr 8535.744Jun 28
1954532.199530.056Apr 2535.512May 28
1953532.123529.681Apr 20535.070Jun 18
1952532.136530.008Apr 7534.208May 30
1951532.457530.139Mar 31535.040May 27
1950532.342530.001Apr 12535.909Jun 25
1949531.804529.657Mar 20534.488May 20
1948532.032530.126Apr 15536.683Jun 11
1947532.014530.382Mar 31534.625May 16
1946532.082530.133Apr 12535.131Jun 7
1945531.550529.617Apr 20533.952Jun 8
1944531.231529.563Apr 5532.586Jun 8
1943531.959529.764Mar 27534.110Jul 10
1942532.105530.065Apr 6534.375Jun 11
1941531.944530.340Mar 31532.690Dec 4
1940531.669530.227Apr 13533.595May 30
1939531.611529.703Mar 20533.626Jun 1
1938531.876530.334Mar 11535.951Jun 7
1937531.479530.181Mar 30534.250Jun 23
1936531.338530.072Feb 20535.015Jun 4
1935531.716530.425Dec 29535.381Jun 17
1934532.046530.568Oct 19535.979Jun 2
1933532.084530.291Feb 16536.731Jun 22
1932531.828530.123Feb 20535.716Jun 19
1931 (327 days)531.273530.123Jan 24533.583Jun 12

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

Monthly averages

MonthAverageLowestHighest
January531.489530.123532.550
February531.051529.867532.135
March530.471529.617531.638
April530.479529.563535.034
May532.075529.816536.411
June533.318531.114537.033
July532.454531.105536.253
August531.653530.952533.552
September531.634530.712532.589
October531.664530.337532.595
November531.696530.292532.611
December531.698530.221532.690

Download

Daily levels as CSV (34,607 rows; credit the original agencies listed below)