East Sidney Lake water level history

Daily records since 1952 · Level today: 1,150.30 ft

Highest on record

1,204.16 ft

Jun 30, 2006

Lowest on record

1,115.00 ft

Sep 7, 1964

Today

1,150.30 ft

Oct 22, 2026

Years of data

since 1952

In short

Across 71 complete years, 1957 had the lowest average level (1,118.00 ft) and 1977 the highest (1,150.02 ft).

On average the lake is lowest in January (1,137.57 ft) and highest in June (1,145.33 ft).

East Sidney Lake level, all years

Loading chart…

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

Lowest years

Years ranked by their lowest daily level.

19641,115.00 ft on Sep 7
19551,115.10 ft on Aug 4
19631,115.20 ft on Oct 20
19621,115.20 ft on Sep 25
19531,115.20 ft on Aug 28

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	1,148.02	1,139.26	Jan 7	1,169.65	Mar 10
2025	1,147.39	1,139.40	Mar 24	1,165.67	May 10
2024	1,147.52	1,139.77	Apr 17	1,163.86	Dec 13
2023	1,147.37	1,139.48	Feb 28	1,175.08	Dec 20
2022	1,147.79	1,139.48	Mar 20	1,175.66	Apr 10
2021	1,147.17	1,139.77	Jan 15	1,160.16	Oct 27
2020	1,147.29	1,139.29	Dec 23	1,173.91	Dec 26
2019	1,147.29	1,138.63	Feb 14	1,166.25	Nov 2
2018	1,147.12	1,139.34	Apr 13	1,159.19	Jan 25
2017	1,147.92	1,139.28	Mar 20	1,177.34	Apr 8
2016	1,146.76	1,138.67	Feb 28	1,152.01	Jun 6
2015	1,147.19	1,139.85	Mar 14	1,170.72	Apr 11
2014	1,146.92	1,139.56	Mar 27	1,159.65	May 17
2013	1,146.94	1,139.55	Jan 19	1,161.56	Sep 3
2012	1,146.95	1,139.78	Dec 17	1,154.11	Oct 20
2011	1,148.97	1,139.85	Apr 16	1,190.34	Sep 11
2010	1,147.65	1,139.79	Jan 21	1,170.89	Oct 2
2009	1,146.87	1,139.78	Jan 25	1,164.25	Mar 11
2008	1,148.05	1,139.61	Mar 19	1,186.63	Mar 10
2007	1,148.49	1,139.70	Dec 20	1,182.12	Mar 30
2006	1,148.61	1,139.40	Jan 3	1,204.16	Jun 30
2005	1,148.45	1,139.30	Jan 11	1,192.16	Apr 5
2004	1,147.42	1,139.62	Jan 2	1,179.03	Sep 19
2003	1,147.68	1,139.50	Dec 17	1,180.44	Mar 24
2002	1,147.28	1,139.69	Dec 26	1,161.26	Mar 28
2001	1,147.14	1,138.88	Feb 18	1,186.30	Apr 15
2000	1,147.68	1,139.32	Mar 11	1,175.68	Feb 29
1999	1,146.50	1,139.34	Feb 7	1,164.84	Jan 25
1998	1,147.30	1,139.38	Apr 7	1,176.23	Jan 11
1997	1,145.98	1,138.21	Apr 7	1,151.36	Nov 28
1996	1,148.14	1,138.72	Mar 4	1,186.21	Jan 21
1995	1,146.12	1,138.59	Mar 12	1,156.95	Oct 22
1994	1,147.22	1,139.22	Mar 21	1,166.32	Apr 8
1993	1,148.01	1,138.61	Jan 6	1,194.84	Apr 3
1992	1,146.34	1,139.62	Dec 25	1,152.13	Jun 20
1991	1,146.86	1,139.88	Jan 14	1,154.50	Nov 23
1990	1,147.28	1,138.78	Feb 3	1,160.43	Feb 18
1989	1,147.36	1,139.34	Mar 10	1,174.39	May 12
1988	1,146.58	1,139.76	Feb 11	1,154.03	Nov 6
1987 (276 days)	1,146.68	1,139.80	Jan 1	1,173.78	Apr 7
1986	1,147.44	1,133.35	May 21	1,184.82	Mar 21
1985 (291 days)	1,147.27	1,139.63	Jan 9	1,163.77	Sep 29
1984	1,147.03	1,139.12	Apr 21	1,172.09	Feb 17
1983	1,147.61	1,139.57	Dec 25	1,181.13	May 3
1982	1,146.71	1,139.62	Dec 22	1,167.90	Feb 7
1981	1,146.89	1,139.61	Feb 6	1,173.03	Feb 13
1980	1,146.43	1,138.47	Mar 12	1,163.92	Mar 23
1979	1,147.71	1,139.53	Apr 26	1,183.86	Mar 8
1978	1,147.35	1,139.65	Apr 15	1,166.27	Jan 28
1977	1,150.02	1,139.58	Mar 27	1,183.64	Oct 20
1976	1,147.95	1,139.20	Mar 7	1,179.81	Feb 24
1975	1,147.14	1,138.64	Apr 22	1,176.35	Oct 20
1974	1,146.56	1,139.28	Dec 26	1,154.20	Dec 10
1973	1,147.30	1,138.38	Jan 7	1,181.50	Jul 1
1972	1,147.19	1,138.55	Apr 29	1,164.36	Mar 4
1971	1,146.45	1,138.37	Jan 28	1,158.12	Mar 17
1970	1,147.01	1,138.97	Apr 20	1,170.39	Apr 22
1969	1,145.47	1,138.80	Jan 14	1,163.70	Mar 26
1968	1,145.42	1,138.90	Dec 26	1,169.20	Mar 25
1967	1,144.69	1,139.30	Dec 2	1,151.70	May 15
1966	1,144.78	1,139.50	Mar 28	1,155.30	Feb 14
1965	1,137.21	1,116.10	Feb 4	1,151.10	Sep 25
1964	1,118.95	1,115.00	Sep 7	1,172.80	Mar 11
1963	1,119.26	1,115.20	Oct 20	1,182.70	Mar 30
1962	1,118.32	1,115.20	Sep 25	1,168.20	Apr 2
1961	1,118.97	1,115.60	Oct 25	1,164.80	Feb 26
1960	1,121.60	1,115.50	Sep 8	1,193.40	Apr 5
1959	1,119.87	1,115.30	Jul 30	1,168.50	Nov 30
1958	1,120.60	1,115.70	Aug 30	1,180.40	Apr 8
1957	1,118.00	1,115.30	Sep 5	1,146.30	Jan 23
1956	1,121.49	1,115.50	Aug 23	1,183.40	Apr 8
1955	1,118.72	1,115.10	Aug 4	1,154.30	Oct 18
1954	1,119.12	1,115.50	Aug 23	1,156.60	Feb 18
1953	1,118.52	1,115.20	Aug 28	1,142.20	Jan 24
1952 (92 days)	1,117.94	1,115.30	Oct 1	1,153.50	Dec 11

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

Monthly averages

Month	Average	Lowest	Highest
January	1,137.57	1,115.80	1,186.21
February	1,137.72	1,115.70	1,179.81
March	1,139.72	1,116.40	1,186.63
April	1,141.17	1,117.70	1,194.84
May	1,144.97	1,115.70	1,181.13
June	1,145.33	1,115.30	1,204.16
July	1,145.20	1,115.20	1,202.87
August	1,144.86	1,115.10	1,170.73
September	1,145.15	1,115.00	1,190.34
October	1,144.32	1,115.10	1,183.64
November	1,144.27	1,115.10	1,171.46
December	1,138.45	1,115.30	1,175.08

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Daily levels as CSV (26,797 rows; credit the original agencies listed below)