Country: Canada
United StatesCanadaUnited Kingdom

Lac Ste. Anne water level history

Daily records since 1933 · Level today: 723.049 m

Highest on record
723.793 m
May 15, 1974
Lowest on record
721.989 m
Oct 12, 1939
Today
723.049 m
Oct 23, 2026
Years of data
94
since 1933

In short

On average the lake is lowest in November (722.584 m) and highest in December (723.070 m).

Lac Ste. Anne level, all years

Loading chart…

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

Each year's lowest and highest level

721.9722.4722.9723.4723.91933194519571969198119932005201720261933: lowest 722.40 m (1933-10-27), highest 722.79 m (1933-04-24), average 722.62 m, 27 days measured1934: lowest 722.33 m (1934-10-24), highest 722.51 m (1934-04-24), average 722.41 m, 26 days measured1935: lowest 722.70 m (1935-05-01), highest 723.27 m (1935-08-21), average 723.05 m, 28 days measured1936: lowest 722.82 m (1936-10-31), highest 723.43 m (1936-05-23), average 723.11 m, 28 days measured1937: lowest 722.44 m (1937-07-10), highest 722.59 m (1937-05-09), average 722.51 m, 42 days measured1938: lowest 722.18 m (1938-10-31), highest 722.59 m (1938-05-13), average 722.36 m, 32 days measured1939: lowest 721.99 m (1939-10-12), highest 722.30 m (1939-05-21), average 722.14 m, 33 days measured1940: lowest 722.27 m (1940-10-16), highest 722.44 m (1940-07-24), average 722.36 m, 27 days measured1941: lowest 722.11 m (1941-10-30), highest 722.36 m (1941-05-08), average 722.24 m, 30 days measured1942: lowest 722.06 m (1942-05-22), highest 722.23 m (1942-07-24), average 722.15 m, 27 days measured1943: lowest 722.32 m (1943-04-01), highest 722.75 m (1943-07-29), average 722.64 m, 31 days measured1944: lowest 722.67 m (1944-05-08), highest 723.62 m (1944-07-17), average 723.25 m, 57 days measured1945: lowest 722.39 m (1945-10-23), highest 722.80 m (1945-05-01), average 722.56 m, 27 days measured1946: lowest 722.22 m (1946-10-30), highest 722.47 m (1946-05-01), average 722.36 m, 30 days measured1947: lowest 722.26 m (1947-08-21), highest 722.36 m (1947-05-15), average 722.31 m, 28 days measured1948: lowest 722.78 m (1948-05-01), highest 723.47 m (1948-05-22), average 723.15 m, 41 days measured1949: lowest 722.45 m (1949-10-31), highest 722.73 m (1949-05-01), average 722.57 m, 28 days measured1950: lowest 722.15 m (1950-10-09), highest 722.49 m (1950-05-31), average 722.33 m, 28 days measured1951: lowest 722.23 m (1951-10-16), highest 722.41 m (1951-05-22), average 722.33 m, 33 days measured1952: lowest 722.43 m (1952-06-05), highest 722.64 m (1952-07-31), average 722.57 m, 30 days measured1953: lowest 722.80 m (1953-05-01), highest 723.14 m (1953-08-28), average 722.99 m, 40 days measured1954: lowest 722.95 m (1954-05-12), highest 723.57 m (1954-06-28), average 723.38 m, 56 days measured1955: lowest 722.71 m (1955-10-18), highest 723.07 m (1955-05-09), average 722.86 m, 41 days measured1956: lowest 722.81 m (1956-10-29), highest 723.05 m (1956-05-15), average 722.93 m, 39 days measured1957: lowest 722.64 m (1957-09-25), highest 722.88 m (1957-05-08), average 722.75 m, 30 days measured1958: lowest 722.59 m (1958-09-11), highest 722.82 m (1958-05-06), average 722.70 m, 31 days measured1959: lowest 722.62 m (1959-06-06), highest 722.72 m (1959-07-05), average 722.66 m, 32 days measured1960: lowest 722.69 m (1960-10-17), highest 722.85 m (1960-07-04), average 722.78 m, 29 days measured1961: lowest 722.42 m (1961-10-02), highest 722.74 m (1961-05-22), average 722.63 m, 28 days measured1962: lowest 722.43 m (1962-10-27), highest 722.96 m (1962-09-15), average 722.76 m, 31 days measured1963: lowest 722.76 m (1963-10-26), highest 723.10 m (1963-05-18), average 722.94 m, 32 days measured1964: lowest 722.66 m (1964-08-29), highest 722.81 m (1964-05-07), average 722.72 m, 23 days measured1965: lowest 722.52 m (1965-09-11), highest 723.61 m (1965-07-24), average 723.31 m, 33 days measured1966: lowest 722.67 m (1966-11-01), highest 723.05 m (1966-06-23), average 722.86 m, 34 days measured1967: lowest 722.44 m (1967-10-07), highest 722.91 m (1967-07-15), average 722.65 m, 32 days measured1968: lowest 722.30 m (1968-10-27), highest 722.55 m (1968-05-14), average 722.43 m, 29 days measured1969: lowest 722.46 m (1969-07-26), highest 722.58 m (1969-05-03), average 722.53 m, 29 days measured1970: lowest 722.63 m (1970-10-31), highest 722.82 m (1970-07-06), average 722.73 m, 27 days measured1971: lowest 722.84 m (1971-04-23), highest 723.42 m (1971-07-31), average 723.14 m, 26 days measured1972: lowest 722.88 m (1972-10-17), highest 723.26 m (1972-05-02), average 723.08 m, 22 days measured1973: lowest 722.88 m (1973-10-04), highest 723.00 m (1973-05-29), average 722.94 m, 16 days measured1974: lowest 723.00 m (1974-10-31), highest 723.79 m (1974-05-15), average 723.38 m, 106 days measured1975: lowest 722.92 m (1975-10-27), highest 723.08 m (1975-07-07), average 723.01 m, 72 days measured1976: lowest 722.86 m (1976-10-30), highest 723.02 m (1976-04-28), average 722.93 m, 95 days measured1977: lowest 722.86 m (1977-03-15), highest 723.29 m (1977-06-17), average 723.21 m, 175 days measured1978: lowest 722.86 m (1978-04-19), highest 723.06 m (1978-10-20), average 722.94 m, 190 days measured1979: lowest 722.69 m (1979-11-21), highest 723.08 m (1979-05-20), average 722.95 m, 187 days measured1980: lowest 722.64 m (1980-03-17), highest 722.90 m (1980-07-04), average 722.85 m, 186 days measured1981: lowest 722.66 m (1981-09-15), highest 722.87 m (1981-05-01), average 722.74 m, 103 days measured1982: lowest 722.75 m (1982-03-04), highest 723.18 m (1982-07-28), average 723.04 m, 118 days measured1983: lowest 722.61 m (1983-10-22), highest 722.86 m (1983-05-10), average 722.77 m, 109 days measured1984: lowest 722.66 m (1984-03-01), highest 722.84 m (1984-07-09), average 722.78 m, 75 days measured1985: lowest 722.82 m (1985-11-07), highest 723.12 m (1985-05-06), average 722.93 m, 110 days measured1986: lowest 722.80 m (1986-03-06), highest 723.13 m (1986-08-05), average 722.97 m, 190 days measured1987: lowest 722.66 m (1987-11-05), highest 722.91 m (1987-04-06), average 722.77 m, 187 days measured1988: lowest 722.56 m (1988-05-24), highest 722.79 m (1988-08-18), average 722.70 m, 162 days measured1989: lowest 722.78 m (1989-03-22), highest 723.45 m (1989-09-05), average 723.24 m, 158 days measured1990: lowest 722.80 m (1990-10-24), highest 723.05 m (1990-07-16), average 722.95 m, 161 days measured1991: lowest 722.73 m (1991-10-03), highest 723.20 m (1991-05-25), average 722.98 m, 139 days measured1992: lowest 722.55 m (1992-11-05), highest 722.87 m (1992-04-29), average 722.71 m, 140 days measured1993: lowest 722.49 m (1993-10-21), highest 722.65 m (1993-07-26), average 722.58 m, 78 days measured1994: lowest 722.58 m (1994-03-01), highest 722.80 m (1994-07-30), average 722.72 m, 76 days measured1995: lowest 722.61 m (1995-10-30), highest 722.79 m (1995-05-19), average 722.72 m, 77 days measured1996: lowest 722.68 m (1996-03-05), highest 723.27 m (1996-06-26), average 723.16 m, 59 days measured1997: lowest 723.02 m (1997-10-31), highest 723.37 m (1997-07-03), average 723.21 m, 98 days measured1998: lowest 722.54 m (1998-10-29), highest 722.93 m (1998-05-18), average 722.74 m, 85 days measured1999: lowest 722.62 m (1999-10-27), highest 722.88 m (1999-06-07), average 722.80 m, 52 days measured2000: lowest 722.41 m (2000-03-08), highest 722.72 m (2000-07-20), average 722.64 m, 148 days measured2001: lowest 722.39 m (2001-10-21), highest 722.57 m (2001-08-01), average 722.48 m, 184 days measured2002: lowest 722.38 m (2002-10-25), highest 722.65 m (2002-06-19), average 722.53 m, 176 days measured2003: lowest 722.43 m (2003-10-30), highest 722.64 m (2003-06-23), average 722.61 m, 94 days measured2004: lowest 722.39 m (2004-08-30), highest 722.51 m (2004-07-12), average 722.47 m, 126 days measured2005: lowest 722.59 m (2005-10-19), highest 722.76 m (2005-07-04), average 722.68 m, 172 days measured2006: lowest 722.45 m (2006-10-14), highest 722.67 m (2006-05-02), average 722.55 m, 184 days measured2007: lowest 722.65 m (2007-05-01), highest 723.04 m (2007-07-03), average 722.93 m, 184 days measured2008: lowest 722.61 m (2008-10-31), highest 722.95 m (2008-05-24), average 722.79 m, 145 days measured2009: lowest 722.37 m (2009-10-13), highest 722.72 m (2009-05-12), average 722.57 m, 184 days measured2010: lowest 722.27 m (2010-10-24), highest 722.45 m (2010-05-21), average 722.35 m, 184 days measured2011: lowest 722.44 m (2011-06-01), highest 722.65 m (2011-08-07), average 722.55 m, 184 days measured2012: lowest 722.70 m (2012-06-24), highest 722.88 m (2012-08-14), average 722.78 m, 173 days measured2013: lowest 723.14 m (2013-08-26), highest 723.27 m (2013-06-06), average 723.21 m, 132 days measured2014: lowest 722.92 m (2014-10-30), highest 723.28 m (2014-06-05), average 723.06 m, 128 days measured2015: lowest 722.76 m (2015-10-28), highest 723.10 m (2015-05-07), average 722.92 m, 184 days measured2016: lowest 722.69 m (2016-08-20), highest 722.82 m (2016-05-27), average 722.77 m, 184 days measured2017: lowest 723.13 m (2017-09-18), highest 723.34 m (2017-06-03), average 723.23 m, 185 days measured2018: lowest 723.00 m (2018-10-10), highest 723.32 m (2018-05-12), average 723.18 m, 180 days measured2019: lowest 723.06 m (2019-04-26), highest 723.40 m (2019-08-16), average 723.24 m, 190 days measured2020: lowest 722.90 m (2020-10-28), highest 723.59 m (2020-06-15), average 723.33 m, 184 days measured2021: lowest 722.46 m (2021-10-22), highest 722.84 m (2021-05-28), average 722.69 m, 185 days measured2022: lowest 722.41 m (2022-11-04), highest 722.68 m (2022-07-11), average 722.54 m, 80 days measured2023: lowest 722.34 m (2023-06-16), highest 722.63 m (2023-08-24), average 722.52 m, 161 days measured2024: lowest 722.37 m (2024-10-31), highest 722.69 m (2024-05-07), average 722.53 m, 186 days measured2025: lowest 722.14 m (2025-11-05), highest 722.48 m (2025-05-04), average 722.32 m, 198 days measured2026: lowest 723.04 m (2026-09-28), highest 723.13 m (2026-10-14), average 723.06 m, 30 days measured
721.9722.4722.9723.4723.9193319571981200520261933: lowest 722.40 m (1933-10-27), highest 722.79 m (1933-04-24), average 722.62 m, 27 days measured1934: lowest 722.33 m (1934-10-24), highest 722.51 m (1934-04-24), average 722.41 m, 26 days measured1935: lowest 722.70 m (1935-05-01), highest 723.27 m (1935-08-21), average 723.05 m, 28 days measured1936: lowest 722.82 m (1936-10-31), highest 723.43 m (1936-05-23), average 723.11 m, 28 days measured1937: lowest 722.44 m (1937-07-10), highest 722.59 m (1937-05-09), average 722.51 m, 42 days measured1938: lowest 722.18 m (1938-10-31), highest 722.59 m (1938-05-13), average 722.36 m, 32 days measured1939: lowest 721.99 m (1939-10-12), highest 722.30 m (1939-05-21), average 722.14 m, 33 days measured1940: lowest 722.27 m (1940-10-16), highest 722.44 m (1940-07-24), average 722.36 m, 27 days measured1941: lowest 722.11 m (1941-10-30), highest 722.36 m (1941-05-08), average 722.24 m, 30 days measured1942: lowest 722.06 m (1942-05-22), highest 722.23 m (1942-07-24), average 722.15 m, 27 days measured1943: lowest 722.32 m (1943-04-01), highest 722.75 m (1943-07-29), average 722.64 m, 31 days measured1944: lowest 722.67 m (1944-05-08), highest 723.62 m (1944-07-17), average 723.25 m, 57 days measured1945: lowest 722.39 m (1945-10-23), highest 722.80 m (1945-05-01), average 722.56 m, 27 days measured1946: lowest 722.22 m (1946-10-30), highest 722.47 m (1946-05-01), average 722.36 m, 30 days measured1947: lowest 722.26 m (1947-08-21), highest 722.36 m (1947-05-15), average 722.31 m, 28 days measured1948: lowest 722.78 m (1948-05-01), highest 723.47 m (1948-05-22), average 723.15 m, 41 days measured1949: lowest 722.45 m (1949-10-31), highest 722.73 m (1949-05-01), average 722.57 m, 28 days measured1950: lowest 722.15 m (1950-10-09), highest 722.49 m (1950-05-31), average 722.33 m, 28 days measured1951: lowest 722.23 m (1951-10-16), highest 722.41 m (1951-05-22), average 722.33 m, 33 days measured1952: lowest 722.43 m (1952-06-05), highest 722.64 m (1952-07-31), average 722.57 m, 30 days measured1953: lowest 722.80 m (1953-05-01), highest 723.14 m (1953-08-28), average 722.99 m, 40 days measured1954: lowest 722.95 m (1954-05-12), highest 723.57 m (1954-06-28), average 723.38 m, 56 days measured1955: lowest 722.71 m (1955-10-18), highest 723.07 m (1955-05-09), average 722.86 m, 41 days measured1956: lowest 722.81 m (1956-10-29), highest 723.05 m (1956-05-15), average 722.93 m, 39 days measured1957: lowest 722.64 m (1957-09-25), highest 722.88 m (1957-05-08), average 722.75 m, 30 days measured1958: lowest 722.59 m (1958-09-11), highest 722.82 m (1958-05-06), average 722.70 m, 31 days measured1959: lowest 722.62 m (1959-06-06), highest 722.72 m (1959-07-05), average 722.66 m, 32 days measured1960: lowest 722.69 m (1960-10-17), highest 722.85 m (1960-07-04), average 722.78 m, 29 days measured1961: lowest 722.42 m (1961-10-02), highest 722.74 m (1961-05-22), average 722.63 m, 28 days measured1962: lowest 722.43 m (1962-10-27), highest 722.96 m (1962-09-15), average 722.76 m, 31 days measured1963: lowest 722.76 m (1963-10-26), highest 723.10 m (1963-05-18), average 722.94 m, 32 days measured1964: lowest 722.66 m (1964-08-29), highest 722.81 m (1964-05-07), average 722.72 m, 23 days measured1965: lowest 722.52 m (1965-09-11), highest 723.61 m (1965-07-24), average 723.31 m, 33 days measured1966: lowest 722.67 m (1966-11-01), highest 723.05 m (1966-06-23), average 722.86 m, 34 days measured1967: lowest 722.44 m (1967-10-07), highest 722.91 m (1967-07-15), average 722.65 m, 32 days measured1968: lowest 722.30 m (1968-10-27), highest 722.55 m (1968-05-14), average 722.43 m, 29 days measured1969: lowest 722.46 m (1969-07-26), highest 722.58 m (1969-05-03), average 722.53 m, 29 days measured1970: lowest 722.63 m (1970-10-31), highest 722.82 m (1970-07-06), average 722.73 m, 27 days measured1971: lowest 722.84 m (1971-04-23), highest 723.42 m (1971-07-31), average 723.14 m, 26 days measured1972: lowest 722.88 m (1972-10-17), highest 723.26 m (1972-05-02), average 723.08 m, 22 days measured1973: lowest 722.88 m (1973-10-04), highest 723.00 m (1973-05-29), average 722.94 m, 16 days measured1974: lowest 723.00 m (1974-10-31), highest 723.79 m (1974-05-15), average 723.38 m, 106 days measured1975: lowest 722.92 m (1975-10-27), highest 723.08 m (1975-07-07), average 723.01 m, 72 days measured1976: lowest 722.86 m (1976-10-30), highest 723.02 m (1976-04-28), average 722.93 m, 95 days measured1977: lowest 722.86 m (1977-03-15), highest 723.29 m (1977-06-17), average 723.21 m, 175 days measured1978: lowest 722.86 m (1978-04-19), highest 723.06 m (1978-10-20), average 722.94 m, 190 days measured1979: lowest 722.69 m (1979-11-21), highest 723.08 m (1979-05-20), average 722.95 m, 187 days measured1980: lowest 722.64 m (1980-03-17), highest 722.90 m (1980-07-04), average 722.85 m, 186 days measured1981: lowest 722.66 m (1981-09-15), highest 722.87 m (1981-05-01), average 722.74 m, 103 days measured1982: lowest 722.75 m (1982-03-04), highest 723.18 m (1982-07-28), average 723.04 m, 118 days measured1983: lowest 722.61 m (1983-10-22), highest 722.86 m (1983-05-10), average 722.77 m, 109 days measured1984: lowest 722.66 m (1984-03-01), highest 722.84 m (1984-07-09), average 722.78 m, 75 days measured1985: lowest 722.82 m (1985-11-07), highest 723.12 m (1985-05-06), average 722.93 m, 110 days measured1986: lowest 722.80 m (1986-03-06), highest 723.13 m (1986-08-05), average 722.97 m, 190 days measured1987: lowest 722.66 m (1987-11-05), highest 722.91 m (1987-04-06), average 722.77 m, 187 days measured1988: lowest 722.56 m (1988-05-24), highest 722.79 m (1988-08-18), average 722.70 m, 162 days measured1989: lowest 722.78 m (1989-03-22), highest 723.45 m (1989-09-05), average 723.24 m, 158 days measured1990: lowest 722.80 m (1990-10-24), highest 723.05 m (1990-07-16), average 722.95 m, 161 days measured1991: lowest 722.73 m (1991-10-03), highest 723.20 m (1991-05-25), average 722.98 m, 139 days measured1992: lowest 722.55 m (1992-11-05), highest 722.87 m (1992-04-29), average 722.71 m, 140 days measured1993: lowest 722.49 m (1993-10-21), highest 722.65 m (1993-07-26), average 722.58 m, 78 days measured1994: lowest 722.58 m (1994-03-01), highest 722.80 m (1994-07-30), average 722.72 m, 76 days measured1995: lowest 722.61 m (1995-10-30), highest 722.79 m (1995-05-19), average 722.72 m, 77 days measured1996: lowest 722.68 m (1996-03-05), highest 723.27 m (1996-06-26), average 723.16 m, 59 days measured1997: lowest 723.02 m (1997-10-31), highest 723.37 m (1997-07-03), average 723.21 m, 98 days measured1998: lowest 722.54 m (1998-10-29), highest 722.93 m (1998-05-18), average 722.74 m, 85 days measured1999: lowest 722.62 m (1999-10-27), highest 722.88 m (1999-06-07), average 722.80 m, 52 days measured2000: lowest 722.41 m (2000-03-08), highest 722.72 m (2000-07-20), average 722.64 m, 148 days measured2001: lowest 722.39 m (2001-10-21), highest 722.57 m (2001-08-01), average 722.48 m, 184 days measured2002: lowest 722.38 m (2002-10-25), highest 722.65 m (2002-06-19), average 722.53 m, 176 days measured2003: lowest 722.43 m (2003-10-30), highest 722.64 m (2003-06-23), average 722.61 m, 94 days measured2004: lowest 722.39 m (2004-08-30), highest 722.51 m (2004-07-12), average 722.47 m, 126 days measured2005: lowest 722.59 m (2005-10-19), highest 722.76 m (2005-07-04), average 722.68 m, 172 days measured2006: lowest 722.45 m (2006-10-14), highest 722.67 m (2006-05-02), average 722.55 m, 184 days measured2007: lowest 722.65 m (2007-05-01), highest 723.04 m (2007-07-03), average 722.93 m, 184 days measured2008: lowest 722.61 m (2008-10-31), highest 722.95 m (2008-05-24), average 722.79 m, 145 days measured2009: lowest 722.37 m (2009-10-13), highest 722.72 m (2009-05-12), average 722.57 m, 184 days measured2010: lowest 722.27 m (2010-10-24), highest 722.45 m (2010-05-21), average 722.35 m, 184 days measured2011: lowest 722.44 m (2011-06-01), highest 722.65 m (2011-08-07), average 722.55 m, 184 days measured2012: lowest 722.70 m (2012-06-24), highest 722.88 m (2012-08-14), average 722.78 m, 173 days measured2013: lowest 723.14 m (2013-08-26), highest 723.27 m (2013-06-06), average 723.21 m, 132 days measured2014: lowest 722.92 m (2014-10-30), highest 723.28 m (2014-06-05), average 723.06 m, 128 days measured2015: lowest 722.76 m (2015-10-28), highest 723.10 m (2015-05-07), average 722.92 m, 184 days measured2016: lowest 722.69 m (2016-08-20), highest 722.82 m (2016-05-27), average 722.77 m, 184 days measured2017: lowest 723.13 m (2017-09-18), highest 723.34 m (2017-06-03), average 723.23 m, 185 days measured2018: lowest 723.00 m (2018-10-10), highest 723.32 m (2018-05-12), average 723.18 m, 180 days measured2019: lowest 723.06 m (2019-04-26), highest 723.40 m (2019-08-16), average 723.24 m, 190 days measured2020: lowest 722.90 m (2020-10-28), highest 723.59 m (2020-06-15), average 723.33 m, 184 days measured2021: lowest 722.46 m (2021-10-22), highest 722.84 m (2021-05-28), average 722.69 m, 185 days measured2022: lowest 722.41 m (2022-11-04), highest 722.68 m (2022-07-11), average 722.54 m, 80 days measured2023: lowest 722.34 m (2023-06-16), highest 722.63 m (2023-08-24), average 722.52 m, 161 days measured2024: lowest 722.37 m (2024-10-31), highest 722.69 m (2024-05-07), average 722.53 m, 186 days measured2025: lowest 722.14 m (2025-11-05), highest 722.48 m (2025-05-04), average 722.32 m, 198 days measured2026: lowest 723.04 m (2026-09-28), highest 723.13 m (2026-10-14), average 723.06 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.

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)723.061723.044Sep 28723.133Oct 14
2025 (198 days)722.323722.144Nov 5722.477May 4
2024 (186 days)722.529722.367Oct 31722.688May 7
2023 (161 days)722.524722.338Jun 16722.634Aug 24
2022 (80 days)722.539722.411Nov 4722.680Jul 11
2021 (185 days)722.691722.464Oct 22722.837May 28
2020 (184 days)723.327722.902Oct 28723.587Jun 15
2019 (190 days)723.239723.061Apr 26723.398Aug 16
2018 (180 days)723.176723.000Oct 10723.318May 12
2017 (185 days)723.226723.128Sep 18723.339Jun 3
2016 (184 days)722.768722.693Aug 20722.824May 27
2015 (184 days)722.915722.761Oct 28723.102May 7
2014 (128 days)723.064722.923Oct 30723.277Jun 5
2013 (132 days)723.210723.137Aug 26723.265Jun 6
2012 (173 days)722.781722.696Jun 24722.878Aug 14
2011 (184 days)722.551722.438Jun 1722.647Aug 7
2010 (184 days)722.352722.269Oct 24722.449May 21
2009 (184 days)722.567722.372Oct 13722.721May 12
2008 (145 days)722.791722.605Oct 31722.952May 24
2007 (184 days)722.930722.654May 1723.037Jul 3
2006 (184 days)722.548722.446Oct 14722.669May 2
2005 (172 days)722.678722.593Oct 19722.757Jul 4
2004 (126 days)722.467722.390Aug 30722.510Jul 12
2003 (94 days)722.607722.430Oct 30722.637Jun 23
2002 (176 days)722.528722.379Oct 25722.651Jun 19
2001 (184 days)722.479722.390Oct 21722.565Aug 1
2000 (148 days)722.636722.413Mar 8722.715Jul 20
1999 (52 days)722.801722.618Oct 27722.880Jun 7
1998 (85 days)722.742722.540Oct 29722.927May 18
1997 (98 days)723.211723.023Oct 31723.368Jul 3
1996 (59 days)723.164722.681Mar 5723.272Jun 26
1995 (77 days)722.724722.611Oct 30722.786May 19
1994 (76 days)722.722722.584Mar 1722.798Jul 30
1993 (78 days)722.581722.486Oct 21722.651Jul 26
1992 (140 days)722.708722.549Nov 5722.865Apr 29
1991 (139 days)722.983722.726Oct 3723.203May 25
1990 (161 days)722.949722.800Oct 24723.046Jul 16
1989 (158 days)723.235722.775Mar 22723.454Sep 5
1988 (162 days)722.704722.563May 24722.786Aug 18
1987 (187 days)722.772722.657Nov 5722.911Apr 6
1986 (190 days)722.966722.800Mar 6723.131Aug 5
1985 (110 days)722.929722.823Nov 7723.115May 6
1984 (75 days)722.777722.659Mar 1722.839Jul 9
1983 (109 days)722.770722.609Oct 22722.863May 10
1982 (118 days)723.043722.747Mar 4723.177Jul 28
1981 (103 days)722.745722.662Sep 15722.871May 1
1980 (186 days)722.847722.639Mar 17722.900Jul 4
1979 (187 days)722.946722.687Nov 21723.083May 20
1978 (190 days)722.944722.858Apr 19723.056Oct 20
1977 (175 days)723.212722.855Mar 15723.293Jun 17
1976 (95 days)722.932722.855Oct 30723.016Apr 28
1975 (72 days)723.013722.915Oct 27723.080Jul 7
1974 (106 days)723.382722.998Oct 31723.793May 15
1973 (16 days)722.939722.876Oct 4723.001May 29
1972 (22 days)723.076722.879Oct 17723.263May 2
1971 (26 days)723.140722.836Apr 23723.421Jul 31
1970 (27 days)722.732722.629Oct 31722.818Jul 6
1969 (29 days)722.533722.461Jul 26722.580May 3
1968 (29 days)722.430722.303Oct 27722.547May 14
1967 (32 days)722.650722.437Oct 7722.912Jul 15
1966 (34 days)722.857722.669Nov 1723.050Jun 23
1965 (33 days)723.307722.516Sep 11723.613Jul 24
1964 (23 days)722.722722.656Aug 29722.806May 7
1963 (32 days)722.941722.763Oct 26723.101May 18
1962 (31 days)722.763722.428Oct 27722.961Sep 15
1961 (28 days)722.634722.422Oct 2722.736May 22
1960 (29 days)722.776722.690Oct 17722.845Jul 4
1959 (32 days)722.657722.617Jun 6722.720Jul 5
1958 (31 days)722.705722.589Sep 11722.815May 6
1957 (30 days)722.747722.641Sep 25722.882May 8
1956 (39 days)722.933722.809Oct 29723.047May 15
1955 (41 days)722.860722.705Oct 18723.074May 9
1954 (56 days)723.378722.946May 12723.571Jun 28
1953 (40 days)722.989722.803May 1723.144Aug 28
1952 (30 days)722.566722.425Jun 5722.644Jul 31
1951 (33 days)722.326722.230Oct 16722.406May 22
1950 (28 days)722.331722.153Oct 9722.492May 31
1949 (28 days)722.573722.449Oct 31722.733May 1
1948 (41 days)723.153722.775May 1723.473May 22
1947 (28 days)722.311722.257Aug 21722.364May 15
1946 (30 days)722.363722.224Oct 30722.467May 1
1945 (27 days)722.559722.394Oct 23722.797May 1
1944 (57 days)723.255722.672May 8723.620Jul 17
1943 (31 days)722.639722.324Apr 1722.754Jul 29
1942 (27 days)722.152722.056May 22722.227Jul 24
1941 (30 days)722.243722.105Oct 30722.364May 8
1940 (27 days)722.361722.269Oct 16722.443Jul 24
1939 (33 days)722.142721.989Oct 12722.297May 21
1938 (32 days)722.358722.175Oct 31722.592May 13
1937 (42 days)722.512722.440Jul 10722.592May 9
1936 (28 days)723.114722.821Oct 31723.431May 23
1935 (28 days)723.051722.696May 1723.266Aug 21
1934 (26 days)722.408722.327Oct 24722.507Apr 24
1933 (27 days)722.619722.400Oct 27722.791Apr 24

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

Monthly averages

MonthAverageLowestHighest
January723.000723.000723.000
February722.783722.587722.959
March722.768722.413722.973
April722.828722.324723.617
May722.832722.056723.793
June722.849722.068723.677
July722.852722.163723.620
August722.832722.035723.583
September722.785722.001723.482
October722.725721.989723.421
November722.584722.144723.171
December723.070723.019723.120

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Daily levels as CSV (8,826 rows; credit the original agencies listed below)