Tioga Lake water level history

Daily records since 1989 · Level today: 1,081.32 ft

Highest on record

1,122.62 ft

Apr 3, 1993

Lowest on record

1,072.52 ft

Oct 24, 2008

Today

1,081.32 ft

Oct 21, 2026

Years of data

since 1989

In short

Across 36 complete years, 2008 had the lowest average level (1,079.15 ft) and 2011 the highest (1,083.21 ft).

On average the lake is lowest in October (1,080.83 ft) and highest in December (1,083.24 ft).

Tioga 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.

20081,072.52 ft on Oct 24
19901,073.37 ft on Oct 12
19981,075.41 ft on May 8
19971,075.44 ft on Apr 14
19941,075.67 ft on Mar 21

Yearly highs and lows

Year	Average	Low	Low date	High	High date
2026 (292 days)	1,081.69	1,080.43	Apr 20	1,084.51	Mar 6
2025	1,081.81	1,080.38	Sep 22	1,087.85	May 7
2024	1,082.20	1,080.71	Apr 14	1,097.52	Aug 10
2023	1,082.18	1,080.86	May 2	1,086.86	Dec 18
2022	1,081.96	1,080.21	Sep 4	1,091.84	Feb 19
2021	1,082.04	1,080.01	Feb 24	1,095.46	Oct 30
2020	1,081.83	1,076.63	Oct 19	1,103.68	Dec 26
2019	1,081.83	1,080.15	Jun 20	1,084.54	Dec 15
2018	1,082.45	1,080.25	Oct 12	1,101.81	Jul 26
2017	1,082.07	1,080.25	Apr 5	1,091.06	Oct 30
2016	1,082.21	1,080.83	Sep 30	1,088.91	Feb 25
2015	1,081.81	1,079.37	Mar 10	1,085.58	Apr 9
2014	1,081.93	1,080.48	Feb 21	1,089.85	May 17
2013	1,081.95	1,080.62	Sep 2	1,091.79	Jan 31
2012	1,082.04	1,080.21	Sep 6	1,084.45	Oct 30
2011	1,083.21	1,079.64	Feb 17	1,108.47	Apr 29
2010	1,081.98	1,080.13	Sep 27	1,099.33	Jan 26
2009	1,081.52	1,079.24	Feb 7	1,083.84	Mar 9
2008	1,079.15	1,072.52	Oct 24	1,091.75	Feb 7
2007	1,081.51	1,079.06	Oct 22	1,096.22	Mar 16
2006	1,081.97	1,080.23	Jun 4	1,097.79	Jun 29
2005	1,082.66	1,080.77	Aug 29	1,106.85	Apr 4
2004	1,082.21	1,079.13	Mar 1	1,112.87	Sep 19
2003	1,081.97	1,080.28	Sep 19	1,099.14	Mar 22
2002	1,081.88	1,080.57	Sep 15	1,087.46	Jun 7
2001	1,081.71	1,080.40	Mar 12	1,085.25	Apr 10
2000	1,081.75	1,080.35	Feb 22	1,088.42	Apr 4
1999	1,081.58	1,077.79	Sep 6	1,089.46	Mar 4
1998	1,081.21	1,075.41	May 8	1,098.13	Jan 9
1997	1,081.04	1,075.44	Apr 14	1,084.03	Dec 26
1996	1,082.64	1,080.17	Jan 17	1,113.92	Jan 21
1995	1,081.66	1,079.65	Sep 21	1,090.77	Jan 21
1994	1,081.59	1,075.67	Mar 21	1,105.26	Aug 19
1993	1,082.79	1,077.31	Mar 23	1,122.62	Apr 3
1992	1,081.84	1,080.31	Mar 5	1,085.84	Dec 31
1991	1,081.06	1,079.07	Sep 18	1,084.65	Mar 4
1990	1,080.80	1,073.37	Oct 12	1,094.87	Oct 24
1989 (1 days)	1,081.63	1,081.63	Dec 31	1,081.63	Dec 31

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

Monthly averages

Month	Average	Lowest	Highest
January	1,083.02	1,080.01	1,113.92
February	1,082.01	1,079.08	1,091.84
March	1,082.01	1,075.67	1,106.40
April	1,082.15	1,075.44	1,122.62
May	1,081.50	1,075.41	1,103.56
June	1,081.46	1,080.15	1,097.79
July	1,081.49	1,080.04	1,101.81
August	1,081.20	1,073.59	1,105.26
September	1,081.09	1,072.58	1,112.87
October	1,080.83	1,072.52	1,095.46
November	1,082.00	1,074.15	1,104.70
December	1,083.24	1,076.37	1,103.68

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