Onondaga Creek at Flood Ctrl Dam at Onondaga Nation water level history

Daily records since 1952 · Level today: 459.36 ft

Highest on record

485.40 ft

Mar 31, 1960

Lowest on record

458.00 ft

Aug 30, 1953

Today

459.36 ft

Oct 21, 2026

Years of data

since 1952

In short

Across 48 complete years, 1962 had the lowest average level (459.41 ft) and 1972 the highest (462.38 ft).

On average the lake is lowest in August (459.55 ft) and highest in April (462.95 ft).

Onondaga Creek at Flood Ctrl Dam at Onondaga Nation level, all years

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

Lowest years

Years ranked by their lowest daily level.

1963458.00 ft on Jan 23
1962458.00 ft on Aug 25
1961458.00 ft on Nov 16
1960458.00 ft on Dec 22
1959458.00 ft on Sep 12

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (291 days)	461.76	459.23	Oct 5	471.69	Apr 1
2025	461.92	459.38	Aug 13	472.37	May 8
2024	461.68	459.46	Jul 30	470.39	Jan 27
2023	461.72	459.52	Oct 1	470.68	Dec 19
2022 (114 days)	460.49	459.39	Sep 18	464.97	Nov 12
1998 (58 days)	463.43	460.37	Feb 10	475.84	Jan 9
1997	460.58	459.20	Aug 11	467.11	Feb 28
1996	462.10	459.43	Sep 5	481.21	Jan 20
1995	460.71	459.13	Aug 2	466.34	Mar 9
1994	461.87	459.42	Aug 13	475.02	Mar 26
1993	462.37	459.75	Jul 30	478.75	Apr 3
1992	461.77	459.66	Jul 3	472.22	Mar 29
1991	460.51	459.16	Sep 14	467.92	Mar 5
1990	461.64	459.38	Sep 29	472.14	Feb 17
1989	461.00	459.12	Sep 13	468.90	Oct 21
1988	460.13	459.01	Aug 24	466.21	Mar 27
1987	460.19	459.03	Aug 22	468.94	Mar 9
1986	461.02	459.32	Sep 15	471.57	Mar 16
1985	460.37	458.96	Aug 22	473.14	Feb 25
1984	461.69	459.30	Oct 19	475.85	Feb 16
1983	461.43	459.90	Sep 29	474.81	Apr 27
1982	461.23	459.90	Sep 14	469.83	Mar 14
1981	461.29	459.83	Aug 23	478.94	Oct 29
1980	460.86	459.83	Aug 27	472.85	Mar 22
1979	461.57	459.95	Aug 23	482.96	Mar 7
1978	461.12	459.53	Sep 10	472.65	Mar 24
1977	461.62	459.51	Sep 13	477.03	Oct 18
1976	461.80	459.77	Oct 7	474.10	Apr 17
1975	461.15	459.59	Aug 23	477.12	Sep 27
1974	460.80	459.86	Aug 26	466.79	Apr 5
1973	461.30	459.79	Nov 14	468.43	Apr 6
1972	462.38	460.24	Sep 13	480.11	Jun 24
1971	461.10	460.08	Oct 20	468.32	Mar 19
1970	460.69	459.33	Sep 8	467.24	Apr 5
1969	460.95	459.35	Sep 21	467.02	Feb 2
1968	460.81	459.24	Oct 4	467.00	Jun 28
1967	460.68	459.10	Jan 1	466.00	Nov 5
1966	460.19	458.70	Jul 15	471.10	Feb 14
1965	459.74	458.40	Aug 30	468.50	Oct 15
1964	460.01	458.30	Sep 12	476.90	Mar 5
1963	459.47	458.00	Jan 23	471.00	Mar 26
1962	459.41	458.00	Aug 25	470.40	Mar 12
1961	460.03	458.00	Nov 16	481.80	May 3
1960	460.27	458.00	Dec 22	485.40	Mar 31
1959	460.28	458.00	Sep 12	477.40	Jan 22
1958	460.59	458.40	Aug 24	471.70	Apr 7
1957	459.86	458.20	Oct 9	472.80	Jan 23
1956	460.44	458.10	Jul 7	476.90	Mar 8
1955	459.95	458.00	Aug 5	472.40	Mar 1
1954	459.96	458.10	Jul 27	471.90	May 4
1953	459.49	458.00	Aug 30	467.00	Mar 27
1952 (92 days)	458.96	458.20	Oct 1	467.60	Dec 11

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

Monthly averages

Month	Average	Lowest	Highest
January	461.17	458.00	481.21
February	461.50	458.00	477.20
March	462.83	458.10	485.40
April	462.95	458.90	485.10
May	461.23	458.80	481.80
June	460.35	458.10	480.11
July	459.77	458.10	466.19
August	459.55	458.00	468.69
September	459.56	458.00	477.12
October	459.94	458.00	478.94
November	460.64	458.00	475.41
December	461.16	458.00	474.16

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Daily levels as CSV (18,078 rows; credit the original agencies listed below)