Cowanesque Lake water level history

Daily records since 1989 · Level today: 1,080.38 ft

Highest on record

1,114.31 ft

Apr 2, 1993

Lowest on record

1,059.23 ft

Jan 9, 1990

Today

1,080.38 ft

Oct 21, 2026

Years of data

since 1989

In short

Across 36 complete years, 1990 had the lowest average level (1,076.03 ft) and 1993 the highest (1,080.96 ft).

On average the lake is lowest in October (1,079.78 ft) and highest in May (1,080.40 ft).

Cowanesque 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.

19901,059.23 ft on Jan 9
19941,064.95 ft on Apr 5
19961,069.85 ft on Oct 18
19951,076.55 ft on Oct 4
19971,076.83 ft on Mar 3

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	1,080.85	1,080.14	Jul 27	1,083.51	Mar 6
2025	1,080.45	1,078.73	Sep 22	1,084.05	May 6
2024	1,080.42	1,079.79	Nov 20	1,088.59	Aug 10
2023	1,080.58	1,080.02	Dec 31	1,082.14	Dec 19
2022	1,080.36	1,079.43	Aug 20	1,085.61	Feb 18
2021	1,080.60	1,079.96	Nov 13	1,098.54	Aug 20
2020	1,080.10	1,078.19	Oct 19	1,090.73	Dec 26
2019	1,080.42	1,080.01	May 28	1,087.91	Nov 1
2018	1,080.49	1,079.99	Jul 13	1,088.41	Sep 18
2017	1,080.32	1,079.68	Oct 8	1,084.62	Apr 1
2016	1,079.81	1,077.32	Oct 16	1,083.76	Oct 22
2015	1,080.25	1,078.99	Sep 28	1,082.24	Apr 10
2014	1,080.39	1,079.82	Sep 30	1,089.82	May 17
2013	1,080.27	1,079.73	Aug 27	1,085.74	Feb 1
2012	1,080.04	1,079.29	Aug 10	1,081.98	Oct 30
2011	1,080.51	1,079.41	Aug 13	1,096.57	Mar 12
2010	1,080.29	1,079.55	Sep 27	1,087.80	Jan 26
2009	1,080.12	1,079.92	Jun 19	1,081.82	Jun 21
2008	1,080.13	1,079.20	Sep 26	1,087.90	Feb 7
2007	1,080.38	1,079.81	Jul 17	1,097.75	Mar 16
2006	1,080.23	1,079.86	Dec 28	1,083.61	Sep 3
2005	1,080.35	1,079.06	Aug 29	1,096.49	Apr 4
2004	1,080.62	1,079.76	Mar 7	1,104.67	Sep 19
2003	1,080.31	1,077.23	Mar 16	1,089.73	Mar 22
2002	1,080.23	1,079.22	Oct 15	1,085.07	Jun 7
2001	1,080.31	1,079.39	Sep 23	1,083.38	Apr 11
2000	1,080.32	1,080.00	Feb 21	1,082.95	Feb 26
1999	1,080.04	1,078.59	Sep 6	1,086.78	Jan 25
1998	1,079.91	1,078.30	Oct 7	1,096.18	Jan 10
1997	1,079.90	1,076.83	Mar 3	1,080.93	Oct 3
1996	1,079.74	1,069.85	Oct 18	1,108.48	Jan 21
1995	1,079.93	1,076.55	Oct 4	1,087.11	Jan 21
1994	1,079.45	1,064.95	Apr 5	1,093.19	Aug 19
1993	1,080.96	1,078.62	Apr 15	1,114.31	Apr 2
1992	1,080.38	1,080.04	Aug 31	1,081.98	Dec 31
1991	1,079.40	1,076.96	Nov 10	1,083.58	Mar 4
1990	1,076.03	1,059.23	Jan 9	1,090.20	Oct 24
1989 (1 days)	1,059.64	1,059.64	Dec 31	1,059.64	Dec 31

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

Monthly averages

Month	Average	Lowest	Highest
January	1,079.99	1,059.23	1,108.48
February	1,079.87	1,059.89	1,087.90
March	1,079.92	1,064.85	1,102.73
April	1,080.39	1,064.95	1,114.31
May	1,080.40	1,077.57	1,090.02
June	1,080.31	1,078.03	1,085.07
July	1,080.21	1,078.75	1,082.48
August	1,080.12	1,078.57	1,098.54
September	1,079.95	1,070.07	1,104.67
October	1,079.78	1,069.85	1,090.20
November	1,080.26	1,076.06	1,100.60
December	1,080.32	1,059.64	1,090.73

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Daily levels as CSV (13,442 rows; credit the original agencies listed below)