West Okoboji Lake water level history

Daily records since 1933 · Level today: 4.14 ft

Highest on record

8.66 ft

Jul 17, 1993

Lowest on record

0.20 ft

Sep 20, 1959

Today

4.14 ft

Oct 21, 2026

Years of data

since 1933

In short

Across 80 complete years, 1959 had the lowest average level (0.60 ft) and 1993 the highest (5.36 ft).

On average the lake is lowest in November (3.39 ft) and highest in June (4.24 ft).

West Okoboji 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.

19590.20 ft on Sep 20
19600.43 ft on Feb 15
19571.57 ft on Feb 22
19911.62 ft on Jan 1
19561.67 ft on Oct 28

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (289 days)	4.26	3.94	Aug 28	4.75	May 27
2025	4.01	3.58	Feb 5	4.76	Aug 20
2024	4.40	3.44	Oct 28	8.10	Jun 24
2023	3.91	3.34	Jan 1	4.69	May 15
2022	3.87	3.14	Dec 5	4.60	Jun 6
2021	3.58	3.21	Jan 1	3.99	Jun 1
2020	4.26	3.18	Dec 21	5.22	May 28
2019	4.84	4.06	Sep 7	5.98	May 31
2018	4.93	4.19	Jan 18	6.62	Jul 5
2017	4.57	4.20	Dec 27	5.15	May 27
2016	4.72	4.28	Sep 4	5.51	Jun 18
2015	3.96	3.59	Jan 1	4.63	Dec 29
2014	3.64	3.00	Jan 8	4.59	Jun 27
2013	3.48	2.67	Jan 1	4.52	Jun 25
2012	3.54	2.62	Dec 12	4.47	May 28
2011	4.40	3.23	Dec 10	6.24	Jul 16
2010	4.56	4.20	Sep 7	5.26	Jul 24
2009	4.12	3.63	Jan 1	4.55	Jul 15
2008	4.15	3.50	Dec 5	4.95	Jun 12
2007	4.37	3.75	Aug 14	5.14	May 9
2006	4.29	3.63	Nov 20	5.59	Apr 16
2005	4.27	3.80	Sep 5	5.17	May 26
2004	3.40	2.57	Jan 24	4.48	Sep 25
2003	3.40	2.55	Dec 1	4.26	Jul 8
2002	3.61	3.29	Dec 31	4.21	Jun 12
2001	3.66	2.56	Jan 1	5.06	Jun 19
2000	2.80	2.32	Oct 15	3.43	Jul 12
1999	3.85	2.62	Dec 20	5.01	Jun 12
1998	3.79	3.14	Jan 3	4.28	Jun 18
1997	4.01	3.14	Dec 3	4.91	Apr 7
1996	4.14	3.52	Nov 12	4.44	Jun 23
1995	4.40	3.95	Oct 21	5.16	May 16
1994	4.39	3.89	Nov 18	5.40	Jun 26
1993	5.36	4.17	Nov 7	8.66	Jul 17
1992	4.59	4.05	Jan 1	5.29	Jul 26
1991	3.44	1.62	Jan 1	4.71	May 26
1990 (278 days)	2.04	1.58	Dec 1	2.58	Jun 22
1989	2.73	1.78	Dec 11	3.25	May 25
1988	3.75	2.77	Nov 11	4.54	Apr 29
1987	4.31	3.94	Nov 27	5.09	Jul 22
1986	4.57	4.12	Feb 6	5.30	Jul 2
1985	4.23	3.80	Aug 22	4.89	Apr 24
1984	4.52	3.73	Oct 4	6.23	Jun 24
1983	4.56	3.73	Oct 9	5.46	Apr 24
1982 (326 days)	4.31	3.36	Jan 1	5.12	Jun 8
1981	3.49	3.26	Nov 22	3.77	Jul 4
1980	4.15	3.50	Dec 26	4.80	Jun 7
1979	4.26	3.33	Jan 1	5.01	Sep 25
1978	3.42	2.52	Jan 1	4.75	Jul 24
1977	2.09	1.71	Sep 28	2.58	Apr 21
1976	3.15	1.83	Dec 1	4.30	Mar 30
1975	3.81	2.92	Jan 1	4.82	Jun 23
1974	3.80	2.91	Dec 26	4.45	Jun 11
1973 (320 days)	4.13	3.48	Nov 25	4.59	Mar 25
1972	3.97	3.51	Jan 1	4.51	Jul 21
1971	4.17	3.25	Oct 16	5.28	Apr 2
1970	4.07	3.58	Oct 5	4.61	May 31
1969	4.06	2.68	Jan 2	5.32	Jul 10
1968 (329 days)	2.46	1.98	Sep 15	2.69	Dec 31
1967	3.43	2.53	Dec 26	4.30	Jun 19
1966	3.90	3.14	Dec 4	4.47	Apr 11
1965	4.33	3.70	Sep 5	6.11	Apr 10
1964 (243 days)	3.67	2.97	Mar 2	4.46	Sep 20
1963	3.83	3.07	Dec 24	4.27	Apr 2
1962	4.23	3.35	Jan 1	6.14	Jul 8
1961	3.55	2.10	Jan 1	4.38	Jun 14
1960	1.69	0.43	Feb 15	2.54	Sep 23
1959	0.60	0.20	Sep 20	1.58	Jun 3
1958 (322 days)	1.74	0.36	Dec 8	2.55	Apr 24
1957	2.19	1.57	Feb 22	2.95	Jul 8
1956	2.41	1.67	Oct 28	3.08	May 13
1955	3.59	2.36	Nov 30	4.57	Apr 28
1954	4.00	3.37	Jan 6	4.88	Jun 22
1953	3.93	3.22	Jan 1	5.15	Jun 13
1952	4.27	3.16	Nov 24	5.41	Apr 4
1951	4.17	2.59	Jan 1	5.33	Jul 11
1950	3.13	2.56	Nov 30	3.65	Jul 19
1949 (304 days)	3.63	2.87	Dec 7	4.50	Jun 26
1948	3.77	2.89	Nov 16	4.48	May 15
1947	4.26	3.41	Oct 23	5.17	Jul 5
1946	4.09	3.49	Jan 3	4.66	Jun 29
1945	4.27	3.31	Nov 22	5.38	Jun 15
1944	4.30	3.91	Nov 6	5.02	Jun 18
1943	4.31	3.86	Oct 29	5.24	Jun 28
1942	3.75	2.84	Jan 1	4.55	Sep 2
1941	2.68	2.09	Jan 1	3.20	Jul 10
1940	2.64	1.93	Oct 26	3.26	Jun 7
1939	3.85	2.66	Dec 26	4.49	Mar 16
1938 (231 days)	4.53	3.67	Jan 5	5.36	Sep 17
1937 (73 days)	3.58	1.90	Jan 4	4.34	Aug 21
1936 (70 days)	2.50	1.60	Jan 1	3.28	Jun 8
1935 (62 days)	2.14	1.38	Jan 27	2.78	Jul 2
1934 (224 days)	2.11	1.38	Nov 17	2.40	Apr 6
1933 (218 days)	2.87	2.14	Nov 30	3.53	May 16

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

Monthly averages

Month	Average	Lowest	Highest
January	3.48	0.29	4.84
February	3.54	0.28	4.77
March	3.74	0.43	5.77
April	4.08	0.54	6.11
May	4.16	0.52	6.12
June	4.24	1.34	8.10
July	4.19	0.82	8.66
August	3.86	0.60	7.87
September	3.68	0.20	6.06
October	3.53	0.24	5.47
November	3.39	0.24	4.83
December	3.41	0.23	4.87

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Daily levels as CSV (32,205 rows; credit the original agencies listed below)