Osoyoos Lake water level history

Daily records since 1965 · Level today: 910.96 ft

Highest on record

917.06 ft

Jun 3, 1972

Lowest on record

909.07 ft

Feb 10, 2026

Today

910.96 ft

Oct 21, 2026

Years of data

since 1965

In short

Across 58 complete years, 1973 had the lowest average level (910.53 ft) and 1972 the highest (912.13 ft).

On average the lake is lowest in January (910.12 ft) and highest in June (912.14 ft).

Osoyoos Lake level, all years

Loading chart…

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

Lowest years

Years ranked by their lowest daily level.

2003909.27 ft on Jan 30
2025909.30 ft on Feb 7
1975909.30 ft on Dec 20
1973909.35 ft on Jan 28
2000909.37 ft on Mar 1

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (289 days)	910.94	909.07	Feb 10	912.47	May 29
2025	910.88	909.30	Feb 7	912.12	Jul 9
2024	911.16	909.69	Dec 31	912.44	May 22
2023	910.68	909.49	Dec 5	912.09	May 8
2022	910.81	909.47	Jan 24	912.99	Jun 22
2021	910.72	909.46	Dec 7	911.87	Jul 11
2020	910.98	909.53	Dec 3	913.64	Jun 2
2019	911.08	909.63	Jan 8	912.59	Aug 11
2018	911.28	909.39	Feb 27	916.38	May 12
2017	911.12	909.49	Dec 27	914.87	Jun 2
2016	910.97	909.75	Dec 9	912.75	Apr 26
2015	910.92	909.43	Jan 12	911.99	Sep 9
2014	910.78	909.43	Dec 18	913.11	May 26
2013	910.90	909.45	Jan 6	914.17	May 15
2012	911.02	909.47	Dec 19	913.05	Jul 3
2011	911.25	909.51	Jan 4	914.57	Jun 13
2010	910.96	909.51	Dec 6	912.53	May 20
2009	911.12	909.38	Jan 13	912.43	Jul 28
2008	910.87	909.50	Dec 31	912.48	May 22
2007	910.96	909.81	Feb 16	911.46	Jul 20
2006	910.90	909.46	Jan 16	912.35	Jun 15
2005	911.21	909.53	Jan 3	912.50	May 6
2004	910.98	909.47	Jan 28	912.73	May 28
2003	911.13	909.27	Jan 30	912.92	May 2
2002	910.77	909.49	Feb 25	912.50	Jun 1
2001	911.42	909.50	Jan 18	912.52	Jul 17
2000	910.71	909.37	Mar 1	911.45	Aug 5
1999	910.98	909.64	Jan 8	912.53	May 29
1998	911.18	909.56	Jan 3	912.80	May 28
1997	911.48	909.60	Dec 31	915.09	May 19
1996	911.25	910.12	Feb 27	914.04	Jun 9
1995	911.15	910.14	Jan 8	911.97	May 20
1994	911.25	909.68	Jan 1	912.44	Jul 7
1993	911.39	909.66	Dec 28	912.49	Jul 22
1992	911.25	909.40	Feb 28	912.96	Jul 21
1991	911.25	909.74	Feb 6	914.66	May 23
1990 (317 days)	911.48	910.46	Dec 31	913.81	Jun 15
1989	911.31	911.03	Sep 23	911.53	May 30
1988	911.15	909.43	Feb 15	912.64	Jun 12
1987	911.26	909.84	Mar 25	912.95	Jul 9
1986	911.16	909.86	Dec 31	914.29	Jun 2
1985	910.68	910.10	Feb 6	911.24	May 25
1984	911.53	909.91	Jan 4	913.59	Jun 9
1983	911.86	909.92	Dec 18	914.48	Jun 1
1982	911.36	909.79	Jan 8	913.23	Jul 20
1981	911.03	909.71	Feb 18	913.64	Jun 15
1980	910.82	909.73	Feb 13	912.35	Jul 14
1979	910.58	909.46	Mar 16	911.51	May 9
1978	911.12	910.24	Dec 31	912.90	May 23
1977	911.72	909.93	Feb 14	912.90	May 9
1976	911.04	909.70	Jan 1	911.89	Jul 9
1975	910.61	909.30	Dec 20	912.30	Apr 3
1974	911.58	909.69	Nov 20	915.74	Jun 19
1973	910.53	909.35	Jan 28	911.16	Jul 23
1972	912.13	909.93	Jan 1	917.06	Jun 3
1971	911.09	909.72	Dec 27	913.61	Jun 9
1970 (318 days)	910.85	909.77	Feb 8	911.73	May 20
1969	911.45	910.83	Dec 20	913.03	May 15
1968	911.23	910.42	Apr 10	912.78	Jun 15
1967	911.06	909.86	Feb 2	913.52	Jun 10
1966	910.80	909.97	Feb 22	911.26	Jul 7
1965 (92 days)	910.97	910.65	Nov 14	911.30	Oct 1

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

Monthly averages

Month	Average	Lowest	Highest
January	910.12	909.20	912.51
February	910.18	909.07	912.12
March	910.63	909.07	912.97
April	911.22	909.90	913.64
May	911.94	909.79	916.38
June	912.14	909.85	917.06
July	911.87	910.64	914.01
August	911.63	909.86	912.89
September	911.43	909.93	912.75
October	911.13	910.17	912.33
November	910.62	909.35	911.68
December	910.19	909.30	912.23

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Daily levels as CSV (22,159 rows; credit the original agencies listed below)