Country: Canada
United StatesCanadaUnited Kingdom

Cypress Lake water level history

Daily records since 1917 · Level today: 974.091 m

Highest on record
976.366 m
Apr 21, 1955
Lowest on record
969.365 m
Aug 6, 1937
Today
974.091 m
Oct 23, 2026
Years of data
109
since 1917

In short

Across 5 complete years, 2022 had the lowest average level (974.826 m) and 2021 the highest (975.240 m).

On average the lake is lowest in October (973.163 m) and highest in January (974.865 m).

Cypress Lake level, all years

Loading chart…

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

Each year's lowest and highest level

9699719739759771917193119451959197319872001201520261917: lowest 971.65 m (1917-11-20), highest 971.93 m (1917-07-13), average 971.77 m, 3 days measured1918: lowest 971.44 m (1918-10-21), highest 972.06 m (1918-04-25), average 971.70 m, 8 days measured1919: lowest 971.00 m (1919-10-31), highest 971.52 m (1919-05-10), average 971.24 m, 6 days measured1920: lowest 971.42 m (1920-09-06), highest 971.71 m (1920-07-15), average 971.61 m, 5 days measured1921: lowest 971.16 m (1921-10-28), highest 971.62 m (1921-06-08), average 971.40 m, 6 days measured1922: lowest 971.58 m (1922-10-16), highest 972.00 m (1922-05-31), average 971.74 m, 6 days measured1923: lowest 971.49 m (1923-10-30), highest 971.72 m (1923-07-28), average 971.62 m, 6 days measured1924: lowest 971.28 m (1924-10-14), highest 971.61 m (1924-05-10), average 971.45 m, 5 days measured1925: lowest 971.58 m (1925-08-27), highest 971.97 m (1925-05-05), average 971.79 m, 4 days measured1926: lowest 971.25 m (1926-10-21), highest 971.64 m (1926-05-13), average 971.39 m, 5 days measured1927: lowest 971.76 m (1927-10-22), highest 972.16 m (1927-06-08), average 971.94 m, 4 days measured1928: lowest 971.64 m (1928-10-19), highest 972.06 m (1928-05-14), average 971.81 m, 5 days measured1929: lowest 971.47 m (1929-08-29), highest 971.88 m (1929-05-22), average 971.71 m, 3 days measured1930: lowest 971.37 m (1930-10-22), highest 971.84 m (1930-04-26), average 971.57 m, 4 days measured1935: lowest 970.06 m (1935-10-24), highest 970.16 m (1935-09-18), average 970.12 m, 6 days measured1936: lowest 970.16 m (1936-03-27), highest 970.52 m (1936-05-02), average 970.38 m, 14 days measured1937: lowest 969.37 m (1937-08-06), highest 970.31 m (1937-06-12), average 969.87 m, 16 days measured1939: lowest 969.60 m (1939-11-03), highest 970.03 m (1939-06-23), average 969.85 m, 13 days measured1940: lowest 970.03 m (1940-02-29), highest 971.90 m (1940-06-14), average 971.48 m, 14 days measured1941: lowest 971.53 m (1941-02-28), highest 972.45 m (1941-04-30), average 972.14 m, 15 days measured1942: lowest 971.95 m (1942-02-28), highest 973.02 m (1942-06-30), average 972.71 m, 16 days measured1943: lowest 972.87 m (1943-02-28), highest 974.39 m (1943-04-21), average 973.90 m, 34 days measured1944: lowest 973.42 m (1944-02-29), highest 974.03 m (1944-04-30), average 973.75 m, 12 days measured1945: lowest 973.05 m (1945-10-31), highest 973.86 m (1945-04-05), average 973.52 m, 18 days measured1946: lowest 972.76 m (1946-10-31), highest 973.49 m (1946-04-03), average 973.12 m, 21 days measured1947: lowest 972.76 m (1947-02-28), highest 973.60 m (1947-04-30), average 973.22 m, 22 days measured1948: lowest 972.97 m (1948-02-29), highest 974.11 m (1948-05-17), average 973.61 m, 21 days measured1949: lowest 971.86 m (1949-09-27), highest 973.49 m (1949-04-20), average 972.83 m, 19 days measured1950: lowest 972.02 m (1950-02-28), highest 972.74 m (1950-04-30), average 972.42 m, 21 days measured1951: lowest 972.25 m (1951-02-28), highest 974.41 m (1951-07-01), average 973.43 m, 33 days measured1952: lowest 974.34 m (1952-02-29), highest 975.97 m (1952-05-12), average 975.42 m, 13 days measured1953: lowest 975.30 m (1953-02-28), highest 976.22 m (1953-05-31), average 975.67 m, 19 days measured1954: lowest 975.47 m (1954-03-23), highest 975.98 m (1954-06-17), average 975.75 m, 24 days measured1955: lowest 975.64 m (1955-03-06), highest 976.37 m (1955-04-21), average 975.95 m, 247 days measured1956: lowest 975.24 m (1956-10-26), highest 976.13 m (1956-05-27), average 975.67 m, 246 days measured1957: lowest 975.14 m (1957-10-21), highest 976.14 m (1957-05-05), average 975.54 m, 256 days measured1958: lowest 974.73 m (1958-10-31), highest 976.06 m (1958-05-02), average 975.35 m, 257 days measured1959: lowest 974.33 m (1959-11-03), highest 975.36 m (1959-04-27), average 974.80 m, 240 days measured1960: lowest 974.35 m (1960-02-20), highest 975.61 m (1960-05-18), average 974.94 m, 251 days measured1961: lowest 973.09 m (1961-10-30), highest 974.53 m (1961-04-01), average 973.77 m, 228 days measured1962: lowest 972.54 m (1962-10-31), highest 973.24 m (1962-05-04), average 972.89 m, 214 days measured1963: lowest 972.15 m (1963-10-31), highest 972.82 m (1963-04-18), average 972.48 m, 226 days measured1964: lowest 971.72 m (1964-10-26), highest 972.41 m (1964-05-12), average 972.02 m, 208 days measured1965: lowest 971.72 m (1965-02-28), highest 974.36 m (1965-07-20), average 973.99 m, 196 days measured1966: lowest 974.15 m (1966-02-28), highest 975.68 m (1966-05-16), average 975.19 m, 234 days measured1967: lowest 974.97 m (1967-02-24), highest 976.23 m (1967-05-17), average 975.48 m, 221 days measured1968: lowest 974.61 m (1968-10-29), highest 975.50 m (1968-04-13), average 975.07 m, 248 days measured1969: lowest 974.66 m (1969-03-11), highest 975.74 m (1969-05-06), average 975.12 m, 226 days measured1970: lowest 974.73 m (1970-02-28), highest 976.19 m (1970-05-08), average 975.55 m, 235 days measured1971: lowest 974.84 m (1971-10-29), highest 976.02 m (1971-05-08), average 975.43 m, 222 days measured1972: lowest 974.37 m (1972-10-31), highest 975.48 m (1972-03-26), average 974.82 m, 236 days measured1973: lowest 972.98 m (1973-10-15), highest 974.41 m (1973-04-06), average 973.61 m, 241 days measured1974: lowest 972.94 m (1974-10-23), highest 973.89 m (1974-06-07), average 973.26 m, 236 days measured1975: lowest 972.92 m (1975-02-19), highest 974.87 m (1975-06-03), average 974.20 m, 221 days measured1976: lowest 974.02 m (1976-11-01), highest 975.01 m (1976-04-13), average 974.49 m, 252 days measured1977: lowest 972.12 m (1977-10-27), highest 974.03 m (1977-04-04), average 972.97 m, 254 days measured1978: lowest 972.12 m (1978-02-20), highest 972.93 m (1978-05-15), average 972.49 m, 254 days measured1979: lowest 972.44 m (1979-03-01), highest 974.39 m (1979-05-27), average 973.73 m, 246 days measured1980: lowest 972.33 m (1980-10-21), highest 973.79 m (1980-04-21), average 973.00 m, 245 days measured1981: lowest 971.62 m (1981-10-11), highest 972.44 m (1981-04-01), average 972.04 m, 254 days measured1982: lowest 971.63 m (1982-03-09), highest 972.60 m (1982-06-11), average 972.11 m, 252 days measured1983: lowest 972.06 m (1983-02-22), highest 972.59 m (1983-05-21), average 972.33 m, 252 days measured1984: lowest 971.33 m (1984-10-13), highest 972.24 m (1984-04-05), average 971.78 m, 253 days measured1985: lowest 971.18 m (1985-09-05), highest 971.97 m (1985-04-30), average 971.47 m, 248 days measured1986: lowest 971.23 m (1986-02-01), highest 972.28 m (1986-10-22), average 971.90 m, 273 days measured1987: lowest 972.30 m (1987-02-13), highest 973.42 m (1987-04-25), average 972.92 m, 262 days measured1988: lowest 971.64 m (1988-10-26), highest 972.82 m (1988-04-07), average 972.23 m, 257 days measured1989: lowest 971.12 m (1989-10-28), highest 971.73 m (1989-04-27), average 971.41 m, 255 days measured1990: lowest 970.59 m (1990-10-30), highest 971.31 m (1990-04-16), average 970.97 m, 255 days measured1991: lowest 970.63 m (1991-02-28), highest 970.88 m (1991-07-13), average 970.74 m, 246 days measured1992: lowest 970.23 m (1992-11-17), highest 970.68 m (1992-03-22), average 970.43 m, 268 days measured1993: lowest 970.58 m (1993-06-22), highest 971.09 m (1993-05-04), average 970.89 m, 220 days measured1994: lowest 971.05 m (1994-02-22), highest 971.99 m (1994-04-25), average 971.66 m, 252 days measured1995: lowest 971.19 m (1995-10-02), highest 971.72 m (1995-04-23), average 971.40 m, 253 days measured1996: lowest 971.33 m (1996-03-03), highest 974.10 m (1996-05-29), average 973.33 m, 246 days measured1997: lowest 973.37 m (1997-02-26), highest 974.61 m (1997-05-01), average 974.20 m, 248 days measured1998: lowest 973.37 m (1998-06-24), highest 973.99 m (1998-04-16), average 973.73 m, 250 days measured1999: lowest 973.02 m (1999-11-01), highest 973.80 m (1999-05-18), average 973.41 m, 252 days measured2000: lowest 972.15 m (2000-10-31), highest 973.10 m (2000-04-13), average 972.61 m, 254 days measured2001: lowest 971.10 m (2001-10-31), highest 972.16 m (2001-04-14), average 971.63 m, 261 days measured2002: lowest 970.85 m (2002-06-10), highest 971.29 m (2002-04-23), average 971.09 m, 265 days measured2003: lowest 970.86 m (2003-10-23), highest 971.62 m (2003-05-04), average 971.19 m, 258 days measured2004: lowest 970.62 m (2004-11-01), highest 971.19 m (2004-04-13), average 970.87 m, 251 days measured2005: lowest 970.72 m (2005-03-04), highest 971.13 m (2005-06-22), average 970.91 m, 254 days measured2006: lowest 970.46 m (2006-10-26), highest 971.22 m (2006-04-11), average 970.81 m, 254 days measured2007: lowest 970.45 m (2007-03-01), highest 971.43 m (2007-05-04), average 970.89 m, 245 days measured2008: lowest 970.63 m (2008-02-29), highest 970.83 m (2008-07-17), average 970.71 m, 260 days measured2009: lowest 970.50 m (2009-10-31), highest 970.92 m (2009-04-21), average 970.73 m, 252 days measured2010: lowest 970.52 m (2010-03-01), highest 973.71 m (2010-11-16), average 972.39 m, 261 days measured2011: lowest 973.80 m (2011-03-15), highest 975.97 m (2011-06-12), average 975.34 m, 245 days measured2012: lowest 975.38 m (2012-10-28), highest 975.87 m (2012-05-07), average 975.65 m, 245 days measured2013: lowest 974.96 m (2013-10-30), highest 975.60 m (2013-05-02), average 975.27 m, 245 days measured2014: lowest 974.97 m (2014-03-01), highest 975.46 m (2014-05-06), average 975.25 m, 245 days measured2015: lowest 974.63 m (2015-10-30), highest 975.53 m (2015-03-24), average 974.99 m, 245 days measured2016: lowest 974.32 m (2016-09-21), highest 974.78 m (2016-04-15), average 974.51 m, 253 days measured2017: lowest 974.59 m (2017-02-15), highest 975.75 m (2017-05-13), average 975.25 m, 258 days measured2018: lowest 973.68 m (2018-02-19), highest 975.96 m (2018-05-11), average 975.35 m, 255 days measured2019: lowest 975.02 m (2019-11-02), highest 975.64 m (2019-05-10), average 975.31 m, 253 days measured2020: lowest 975.10 m (2020-02-25), highest 975.97 m (2020-05-08), average 975.45 m, 312 days measured2021: lowest 974.88 m (2021-11-12), highest 975.70 m (2021-05-09), average 975.24 m, 365 days measured2022: lowest 974.53 m (2022-11-04), highest 975.15 m (2022-05-08), average 974.83 m, 365 days measured2023: lowest 974.57 m (2023-01-02), highest 975.40 m (2023-05-14), average 974.86 m, 365 days measured2024: lowest 974.74 m (2024-01-04), highest 975.31 m (2024-05-14), average 974.94 m, 366 days measured2025: lowest 974.56 m (2025-11-12), highest 975.35 m (2025-05-04), average 974.83 m, 365 days measured2026: lowest 974.09 m (2026-10-21), highest 974.17 m (2026-09-26), average 974.12 m, 30 days measured
969971973975977191719451973200120261917: lowest 971.65 m (1917-11-20), highest 971.93 m (1917-07-13), average 971.77 m, 3 days measured1918: lowest 971.44 m (1918-10-21), highest 972.06 m (1918-04-25), average 971.70 m, 8 days measured1919: lowest 971.00 m (1919-10-31), highest 971.52 m (1919-05-10), average 971.24 m, 6 days measured1920: lowest 971.42 m (1920-09-06), highest 971.71 m (1920-07-15), average 971.61 m, 5 days measured1921: lowest 971.16 m (1921-10-28), highest 971.62 m (1921-06-08), average 971.40 m, 6 days measured1922: lowest 971.58 m (1922-10-16), highest 972.00 m (1922-05-31), average 971.74 m, 6 days measured1923: lowest 971.49 m (1923-10-30), highest 971.72 m (1923-07-28), average 971.62 m, 6 days measured1924: lowest 971.28 m (1924-10-14), highest 971.61 m (1924-05-10), average 971.45 m, 5 days measured1925: lowest 971.58 m (1925-08-27), highest 971.97 m (1925-05-05), average 971.79 m, 4 days measured1926: lowest 971.25 m (1926-10-21), highest 971.64 m (1926-05-13), average 971.39 m, 5 days measured1927: lowest 971.76 m (1927-10-22), highest 972.16 m (1927-06-08), average 971.94 m, 4 days measured1928: lowest 971.64 m (1928-10-19), highest 972.06 m (1928-05-14), average 971.81 m, 5 days measured1929: lowest 971.47 m (1929-08-29), highest 971.88 m (1929-05-22), average 971.71 m, 3 days measured1930: lowest 971.37 m (1930-10-22), highest 971.84 m (1930-04-26), average 971.57 m, 4 days measured1935: lowest 970.06 m (1935-10-24), highest 970.16 m (1935-09-18), average 970.12 m, 6 days measured1936: lowest 970.16 m (1936-03-27), highest 970.52 m (1936-05-02), average 970.38 m, 14 days measured1937: lowest 969.37 m (1937-08-06), highest 970.31 m (1937-06-12), average 969.87 m, 16 days measured1939: lowest 969.60 m (1939-11-03), highest 970.03 m (1939-06-23), average 969.85 m, 13 days measured1940: lowest 970.03 m (1940-02-29), highest 971.90 m (1940-06-14), average 971.48 m, 14 days measured1941: lowest 971.53 m (1941-02-28), highest 972.45 m (1941-04-30), average 972.14 m, 15 days measured1942: lowest 971.95 m (1942-02-28), highest 973.02 m (1942-06-30), average 972.71 m, 16 days measured1943: lowest 972.87 m (1943-02-28), highest 974.39 m (1943-04-21), average 973.90 m, 34 days measured1944: lowest 973.42 m (1944-02-29), highest 974.03 m (1944-04-30), average 973.75 m, 12 days measured1945: lowest 973.05 m (1945-10-31), highest 973.86 m (1945-04-05), average 973.52 m, 18 days measured1946: lowest 972.76 m (1946-10-31), highest 973.49 m (1946-04-03), average 973.12 m, 21 days measured1947: lowest 972.76 m (1947-02-28), highest 973.60 m (1947-04-30), average 973.22 m, 22 days measured1948: lowest 972.97 m (1948-02-29), highest 974.11 m (1948-05-17), average 973.61 m, 21 days measured1949: lowest 971.86 m (1949-09-27), highest 973.49 m (1949-04-20), average 972.83 m, 19 days measured1950: lowest 972.02 m (1950-02-28), highest 972.74 m (1950-04-30), average 972.42 m, 21 days measured1951: lowest 972.25 m (1951-02-28), highest 974.41 m (1951-07-01), average 973.43 m, 33 days measured1952: lowest 974.34 m (1952-02-29), highest 975.97 m (1952-05-12), average 975.42 m, 13 days measured1953: lowest 975.30 m (1953-02-28), highest 976.22 m (1953-05-31), average 975.67 m, 19 days measured1954: lowest 975.47 m (1954-03-23), highest 975.98 m (1954-06-17), average 975.75 m, 24 days measured1955: lowest 975.64 m (1955-03-06), highest 976.37 m (1955-04-21), average 975.95 m, 247 days measured1956: lowest 975.24 m (1956-10-26), highest 976.13 m (1956-05-27), average 975.67 m, 246 days measured1957: lowest 975.14 m (1957-10-21), highest 976.14 m (1957-05-05), average 975.54 m, 256 days measured1958: lowest 974.73 m (1958-10-31), highest 976.06 m (1958-05-02), average 975.35 m, 257 days measured1959: lowest 974.33 m (1959-11-03), highest 975.36 m (1959-04-27), average 974.80 m, 240 days measured1960: lowest 974.35 m (1960-02-20), highest 975.61 m (1960-05-18), average 974.94 m, 251 days measured1961: lowest 973.09 m (1961-10-30), highest 974.53 m (1961-04-01), average 973.77 m, 228 days measured1962: lowest 972.54 m (1962-10-31), highest 973.24 m (1962-05-04), average 972.89 m, 214 days measured1963: lowest 972.15 m (1963-10-31), highest 972.82 m (1963-04-18), average 972.48 m, 226 days measured1964: lowest 971.72 m (1964-10-26), highest 972.41 m (1964-05-12), average 972.02 m, 208 days measured1965: lowest 971.72 m (1965-02-28), highest 974.36 m (1965-07-20), average 973.99 m, 196 days measured1966: lowest 974.15 m (1966-02-28), highest 975.68 m (1966-05-16), average 975.19 m, 234 days measured1967: lowest 974.97 m (1967-02-24), highest 976.23 m (1967-05-17), average 975.48 m, 221 days measured1968: lowest 974.61 m (1968-10-29), highest 975.50 m (1968-04-13), average 975.07 m, 248 days measured1969: lowest 974.66 m (1969-03-11), highest 975.74 m (1969-05-06), average 975.12 m, 226 days measured1970: lowest 974.73 m (1970-02-28), highest 976.19 m (1970-05-08), average 975.55 m, 235 days measured1971: lowest 974.84 m (1971-10-29), highest 976.02 m (1971-05-08), average 975.43 m, 222 days measured1972: lowest 974.37 m (1972-10-31), highest 975.48 m (1972-03-26), average 974.82 m, 236 days measured1973: lowest 972.98 m (1973-10-15), highest 974.41 m (1973-04-06), average 973.61 m, 241 days measured1974: lowest 972.94 m (1974-10-23), highest 973.89 m (1974-06-07), average 973.26 m, 236 days measured1975: lowest 972.92 m (1975-02-19), highest 974.87 m (1975-06-03), average 974.20 m, 221 days measured1976: lowest 974.02 m (1976-11-01), highest 975.01 m (1976-04-13), average 974.49 m, 252 days measured1977: lowest 972.12 m (1977-10-27), highest 974.03 m (1977-04-04), average 972.97 m, 254 days measured1978: lowest 972.12 m (1978-02-20), highest 972.93 m (1978-05-15), average 972.49 m, 254 days measured1979: lowest 972.44 m (1979-03-01), highest 974.39 m (1979-05-27), average 973.73 m, 246 days measured1980: lowest 972.33 m (1980-10-21), highest 973.79 m (1980-04-21), average 973.00 m, 245 days measured1981: lowest 971.62 m (1981-10-11), highest 972.44 m (1981-04-01), average 972.04 m, 254 days measured1982: lowest 971.63 m (1982-03-09), highest 972.60 m (1982-06-11), average 972.11 m, 252 days measured1983: lowest 972.06 m (1983-02-22), highest 972.59 m (1983-05-21), average 972.33 m, 252 days measured1984: lowest 971.33 m (1984-10-13), highest 972.24 m (1984-04-05), average 971.78 m, 253 days measured1985: lowest 971.18 m (1985-09-05), highest 971.97 m (1985-04-30), average 971.47 m, 248 days measured1986: lowest 971.23 m (1986-02-01), highest 972.28 m (1986-10-22), average 971.90 m, 273 days measured1987: lowest 972.30 m (1987-02-13), highest 973.42 m (1987-04-25), average 972.92 m, 262 days measured1988: lowest 971.64 m (1988-10-26), highest 972.82 m (1988-04-07), average 972.23 m, 257 days measured1989: lowest 971.12 m (1989-10-28), highest 971.73 m (1989-04-27), average 971.41 m, 255 days measured1990: lowest 970.59 m (1990-10-30), highest 971.31 m (1990-04-16), average 970.97 m, 255 days measured1991: lowest 970.63 m (1991-02-28), highest 970.88 m (1991-07-13), average 970.74 m, 246 days measured1992: lowest 970.23 m (1992-11-17), highest 970.68 m (1992-03-22), average 970.43 m, 268 days measured1993: lowest 970.58 m (1993-06-22), highest 971.09 m (1993-05-04), average 970.89 m, 220 days measured1994: lowest 971.05 m (1994-02-22), highest 971.99 m (1994-04-25), average 971.66 m, 252 days measured1995: lowest 971.19 m (1995-10-02), highest 971.72 m (1995-04-23), average 971.40 m, 253 days measured1996: lowest 971.33 m (1996-03-03), highest 974.10 m (1996-05-29), average 973.33 m, 246 days measured1997: lowest 973.37 m (1997-02-26), highest 974.61 m (1997-05-01), average 974.20 m, 248 days measured1998: lowest 973.37 m (1998-06-24), highest 973.99 m (1998-04-16), average 973.73 m, 250 days measured1999: lowest 973.02 m (1999-11-01), highest 973.80 m (1999-05-18), average 973.41 m, 252 days measured2000: lowest 972.15 m (2000-10-31), highest 973.10 m (2000-04-13), average 972.61 m, 254 days measured2001: lowest 971.10 m (2001-10-31), highest 972.16 m (2001-04-14), average 971.63 m, 261 days measured2002: lowest 970.85 m (2002-06-10), highest 971.29 m (2002-04-23), average 971.09 m, 265 days measured2003: lowest 970.86 m (2003-10-23), highest 971.62 m (2003-05-04), average 971.19 m, 258 days measured2004: lowest 970.62 m (2004-11-01), highest 971.19 m (2004-04-13), average 970.87 m, 251 days measured2005: lowest 970.72 m (2005-03-04), highest 971.13 m (2005-06-22), average 970.91 m, 254 days measured2006: lowest 970.46 m (2006-10-26), highest 971.22 m (2006-04-11), average 970.81 m, 254 days measured2007: lowest 970.45 m (2007-03-01), highest 971.43 m (2007-05-04), average 970.89 m, 245 days measured2008: lowest 970.63 m (2008-02-29), highest 970.83 m (2008-07-17), average 970.71 m, 260 days measured2009: lowest 970.50 m (2009-10-31), highest 970.92 m (2009-04-21), average 970.73 m, 252 days measured2010: lowest 970.52 m (2010-03-01), highest 973.71 m (2010-11-16), average 972.39 m, 261 days measured2011: lowest 973.80 m (2011-03-15), highest 975.97 m (2011-06-12), average 975.34 m, 245 days measured2012: lowest 975.38 m (2012-10-28), highest 975.87 m (2012-05-07), average 975.65 m, 245 days measured2013: lowest 974.96 m (2013-10-30), highest 975.60 m (2013-05-02), average 975.27 m, 245 days measured2014: lowest 974.97 m (2014-03-01), highest 975.46 m (2014-05-06), average 975.25 m, 245 days measured2015: lowest 974.63 m (2015-10-30), highest 975.53 m (2015-03-24), average 974.99 m, 245 days measured2016: lowest 974.32 m (2016-09-21), highest 974.78 m (2016-04-15), average 974.51 m, 253 days measured2017: lowest 974.59 m (2017-02-15), highest 975.75 m (2017-05-13), average 975.25 m, 258 days measured2018: lowest 973.68 m (2018-02-19), highest 975.96 m (2018-05-11), average 975.35 m, 255 days measured2019: lowest 975.02 m (2019-11-02), highest 975.64 m (2019-05-10), average 975.31 m, 253 days measured2020: lowest 975.10 m (2020-02-25), highest 975.97 m (2020-05-08), average 975.45 m, 312 days measured2021: lowest 974.88 m (2021-11-12), highest 975.70 m (2021-05-09), average 975.24 m, 365 days measured2022: lowest 974.53 m (2022-11-04), highest 975.15 m (2022-05-08), average 974.83 m, 365 days measured2023: lowest 974.57 m (2023-01-02), highest 975.40 m (2023-05-14), average 974.86 m, 365 days measured2024: lowest 974.74 m (2024-01-04), highest 975.31 m (2024-05-14), average 974.94 m, 366 days measured2025: lowest 974.56 m (2025-11-12), highest 975.35 m (2025-05-04), average 974.83 m, 365 days measured2026: lowest 974.09 m (2026-10-21), highest 974.17 m (2026-09-26), average 974.12 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.

  • 2022974.530 m on Nov 4
  • 2025974.555 m on Nov 12
  • 2023974.570 m on Jan 2
  • 2024974.743 m on Jan 4
  • 2021974.877 m on Nov 12

Yearly highs and lows

YearAverageLowLow dateHighHigh date
2026 (30 days)974.124974.091Oct 21974.169Sep 26
2025974.827974.555Nov 12975.345May 4
2024974.938974.743Jan 4975.310May 14
2023974.864974.570Jan 2975.401May 14
2022974.826974.530Nov 4975.147May 8
2021975.240974.877Nov 12975.696May 9
2020 (312 days)975.452975.099Feb 25975.974May 8
2019 (253 days)975.309975.024Nov 2975.644May 10
2018 (255 days)975.352973.676Feb 19975.957May 11
2017 (258 days)975.250974.593Feb 15975.754May 13
2016 (253 days)974.511974.315Sep 21974.781Apr 15
2015 (245 days)974.990974.634Oct 30975.533Mar 24
2014 (245 days)975.246974.966Mar 1975.464May 6
2013 (245 days)975.272974.964Oct 30975.595May 2
2012 (245 days)975.653975.378Oct 28975.870May 7
2011 (245 days)975.337973.801Mar 15975.967Jun 12
2010 (261 days)972.391970.524Mar 1973.707Nov 16
2009 (252 days)970.733970.502Oct 31970.922Apr 21
2008 (260 days)970.708970.634Feb 29970.830Jul 17
2007 (245 days)970.894970.450Mar 1971.425May 4
2006 (254 days)970.809970.459Oct 26971.218Apr 11
2005 (254 days)970.905970.722Mar 4971.125Jun 22
2004 (251 days)970.870970.618Nov 1971.193Apr 13
2003 (258 days)971.187970.857Oct 23971.616May 4
2002 (265 days)971.088970.850Jun 10971.287Apr 23
2001 (261 days)971.628971.099Oct 31972.160Apr 14
2000 (254 days)972.615972.146Oct 31973.097Apr 13
1999 (252 days)973.411973.024Nov 1973.798May 18
1998 (250 days)973.725973.374Jun 24973.992Apr 16
1997 (248 days)974.198973.371Feb 26974.614May 1
1996 (246 days)973.334971.329Mar 3974.098May 29
1995 (253 days)971.405971.187Oct 2971.717Apr 23
1994 (252 days)971.664971.049Feb 22971.994Apr 25
1993 (220 days)970.886970.580Jun 22971.091May 4
1992 (268 days)970.430970.230Nov 17970.675Mar 22
1991 (246 days)970.742970.630Feb 28970.884Jul 13
1990 (255 days)970.969970.585Oct 30971.313Apr 16
1989 (255 days)971.408971.115Oct 28971.732Apr 27
1988 (257 days)972.235971.642Oct 26972.817Apr 7
1987 (262 days)972.924972.302Feb 13973.420Apr 25
1986 (273 days)971.904971.232Feb 1972.284Oct 22
1985 (248 days)971.472971.175Sep 5971.969Apr 30
1984 (253 days)971.782971.329Oct 13972.239Apr 5
1983 (252 days)972.329972.058Feb 22972.586May 21
1982 (252 days)972.106971.630Mar 9972.597Jun 11
1981 (254 days)972.041971.615Oct 11972.438Apr 1
1980 (245 days)973.002972.325Oct 21973.790Apr 21
1979 (246 days)973.725972.440Mar 1974.394May 27
1978 (254 days)972.486972.123Feb 20972.925May 15
1977 (254 days)972.974972.117Oct 27974.031Apr 4
1976 (252 days)974.492974.022Nov 1975.006Apr 13
1975 (221 days)974.205972.919Feb 19974.872Jun 3
1974 (236 days)973.264972.937Oct 23973.888Jun 7
1973 (241 days)973.608972.983Oct 15974.406Apr 6
1972 (236 days)974.816974.369Oct 31975.482Mar 26
1971 (222 days)975.428974.836Oct 29976.021May 8
1970 (235 days)975.548974.729Feb 28976.189May 8
1969 (226 days)975.122974.659Mar 11975.738May 6
1968 (248 days)975.071974.607Oct 29975.497Apr 13
1967 (221 days)975.477974.973Feb 24976.229May 17
1966 (234 days)975.185974.153Feb 28975.680May 16
1965 (196 days)973.992971.721Feb 28974.360Jul 20
1964 (208 days)972.019971.718Oct 26972.410May 12
1963 (226 days)972.475972.147Oct 31972.821Apr 18
1962 (214 days)972.888972.544Oct 31973.236May 4
1961 (228 days)973.766973.092Oct 30974.534Apr 1
1960 (251 days)974.943974.351Feb 20975.613May 18
1959 (240 days)974.799974.330Nov 3975.357Apr 27
1958 (257 days)975.350974.729Oct 31976.061May 2
1957 (256 days)975.537975.137Oct 21976.140May 5
1956 (246 days)975.673975.241Oct 26976.125May 27
1955 (247 days)975.954975.643Mar 6976.366Apr 21
1954 (24 days)975.748975.470Mar 23975.976Jun 17
1953 (19 days)975.666975.299Feb 28976.216May 31
1952 (13 days)975.420974.339Feb 29975.967May 12
1951 (33 days)973.434972.248Feb 28974.412Jul 1
1950 (21 days)972.422972.016Feb 28972.742Apr 30
1949 (19 days)972.825971.855Sep 27973.485Apr 20
1948 (21 days)973.610972.970Feb 29974.107May 17
1947 (22 days)973.219972.763Feb 28973.604Apr 30
1946 (21 days)973.118972.763Oct 31973.492Apr 3
1945 (18 days)973.516973.053Oct 31973.857Apr 5
1944 (12 days)973.749973.421Feb 29974.028Apr 30
1943 (34 days)973.901972.870Feb 28974.391Apr 21
1942 (16 days)972.708971.946Feb 28973.019Jun 30
1941 (15 days)972.136971.532Feb 28972.446Apr 30
1940 (14 days)971.481970.029Feb 29971.901Jun 14
1939 (13 days)969.855969.596Nov 3970.032Jun 23
1937 (16 days)969.873969.365Aug 6970.309Jun 12
1936 (14 days)970.383970.163Mar 27970.517May 2
1935 (6 days)970.121970.063Oct 24970.160Sep 18
1930 (4 days)971.574971.373Oct 22971.840Apr 26
1929 (3 days)971.712971.471Aug 29971.882May 22
1928 (5 days)971.810971.641Oct 19972.062May 14
1927 (4 days)971.943971.763Oct 22972.160Jun 8
1926 (5 days)971.386971.251Oct 21971.641May 13
1925 (4 days)971.792971.584Aug 27971.968May 5
1924 (5 days)971.451971.279Oct 14971.614May 10
1923 (6 days)971.622971.486Oct 30971.718Jul 28
1922 (6 days)971.744971.577Oct 16971.998May 31
1921 (6 days)971.402971.160Oct 28971.623Jun 8
1920 (5 days)971.609971.422Sep 6971.712Jul 15
1919 (6 days)971.241971.001Oct 31971.520May 10
1918 (8 days)971.700971.443Oct 21972.062Apr 25
1917 (3 days)971.771971.651Nov 20971.925Jul 13

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

Monthly averages

MonthAverageLowestHighest
January974.865974.570975.319
February973.359970.029975.662
March973.256969.633975.680
April973.559969.837976.366
May973.651969.858976.241
June973.533969.682976.201
July973.453969.520976.171
August973.303969.365976.122
September973.210969.715975.863
October973.163970.063975.729
November973.784969.596975.470
December974.811974.537975.318

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Daily levels as CSV (18,584 rows; credit the original agencies listed below)