Owasco Lake water level history

Daily records since 1982 · Level today: 712.11 ft

Highest on record

714.89 ft

Aug 20, 2021

Lowest on record

708.45 ft

Mar 22, 1993

Today

712.11 ft

Oct 21, 2026

Years of data

since 1982

In short

Across 43 complete years, 1988 had the lowest average level (711.29 ft) and 1996 the highest (712.56 ft).

On average the lake is lowest in February (710.60 ft) and highest in May (712.72 ft).

Owasco 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.

1993708.45 ft on Mar 22
2001709.02 ft on Jan 16
1985709.10 ft on Feb 22
1996709.11 ft on Jan 17
1984709.17 ft on Feb 5

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (293 days)	712.01	709.53	Feb 19	713.25	Apr 2
2025	711.52	709.62	Feb 14	713.55	May 8
2024	711.80	709.92	Jan 9	712.82	May 12
2023	711.84	709.92	Feb 4	712.90	Jun 18
2022	711.64	709.23	Feb 17	712.93	May 16
2021	711.88	709.71	Feb 13	714.89	Aug 20
2020	711.55	709.71	Jan 24	713.30	May 2
2019	711.89	709.47	Mar 9	713.25	Jun 21
2018	711.79	709.84	Mar 20	712.88	Apr 27
2017	711.91	709.85	Feb 3	713.74	Jul 3
2016	711.44	709.82	Feb 15	712.91	Apr 14
2015	711.62	709.44	Mar 11	713.95	Apr 10
2014	712.15	710.65	Mar 11	713.18	May 17
2013	712.35	710.38	Feb 26	713.49	Nov 29
2012	711.76	710.12	Nov 30	713.05	May 10
2011	712.09	710.06	Dec 15	713.87	Apr 29
2010	712.11	709.97	Mar 7	713.26	Oct 2
2009	712.06	710.13	Feb 3	712.97	Apr 7
2008	712.06	710.52	Feb 1	713.03	Jul 16
2007	712.05	710.97	Mar 2	713.50	Apr 21
2006	712.23	710.56	Jan 29	713.22	Apr 19
2005	711.87	709.82	Jan 30	714.84	Apr 4
2004	712.07	709.98	Jan 21	713.43	Aug 31
2003	712.04	709.92	Feb 3	713.08	May 12
2002	711.96	710.67	Jan 15	713.01	Apr 14
2001	711.58	709.02	Jan 16	713.27	Apr 10
2000	711.70	709.82	Dec 30	713.62	Feb 29
1999	711.62	709.34	Jan 6	713.00	Apr 19
1998	711.80	709.30	Dec 19	714.22	Jan 10
1997	711.87	709.91	Jan 30	712.93	Jul 11
1996	712.56	709.11	Jan 17	714.41	Nov 10
1995	711.55	709.75	Jan 5	712.94	May 2
1994	711.83	709.44	Jan 21	713.65	Apr 17
1993	711.59	708.45	Mar 22	714.86	Apr 26
1992	711.83	709.53	Feb 10	713.19	Aug 1
1991	711.37	709.75	Dec 28	713.14	Apr 23
1990	712.09	710.04	Jan 4	713.35	Feb 18
1989	711.86	709.22	Jan 11	713.31	May 13
1988	711.29	709.41	Feb 29	712.97	Apr 6
1987	711.78	709.82	Mar 1	713.04	Apr 14
1986	712.27	710.20	Jan 18	713.62	Dec 4
1985	711.75	709.10	Feb 22	712.84	Mar 15
1984	711.71	709.17	Feb 5	713.42	May 30
1983	711.75	709.87	Feb 2	713.78	Apr 18
1982 (245 days)	711.93	710.66	Dec 24	712.99	Jun 10

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

Monthly averages

Month	Average	Lowest	Highest
January	710.76	709.02	714.22
February	710.60	709.10	713.62
March	711.23	708.45	713.53
April	712.62	710.86	714.86
May	712.72	711.53	714.18
June	712.64	711.80	713.28
July	712.49	711.50	713.74
August	712.31	711.18	714.89
September	712.02	710.88	713.34
October	711.81	710.05	713.64
November	711.62	709.68	714.41
December	711.26	709.30	713.71

Download

Daily levels as CSV (16,200 rows; credit the original agencies listed below)